Merge branch 'master' of https://github.com/MoonchildProductions/UXP into html_input_datetime_1

184 files changed, 2440 insertions, 943 deletions

diff --git a/dom/base/Element.cpp b/dom/base/Element.cpp
index 886acc670..9ced64c0d 100644
--- a/dom/base/Element.cpp
+++ b/dom/base/Element.cpp
@@ -165,10 +165,9 @@ nsIContent::DoGetID() const
 }
 
 const nsAttrValue*
-nsIContent::DoGetClasses() const
+Element::DoGetClasses() const
 {
   MOZ_ASSERT(HasFlag(NODE_MAY_HAVE_CLASS), "Unexpected call");
-  MOZ_ASSERT(IsElement(), "Only elements can have classes");
 
   if (IsSVGElement()) {
     const nsAttrValue* animClass =
@@ -178,7 +177,7 @@ nsIContent::DoGetClasses() const
     }
   }
 
-  return AsElement()->GetParsedAttr(nsGkAtoms::_class);
+  return GetParsedAttr(nsGkAtoms::_class);
 }
 
 NS_IMETHODIMP
diff --git a/dom/base/Element.h b/dom/base/Element.h
index 5d878df60..cf1d197e2 100644
--- a/dom/base/Element.h
+++ b/dom/base/Element.h
@@ -544,6 +544,18 @@ public:
   virtual uint32_t GetAttrCount() const override;
   virtual bool IsNodeOfType(uint32_t aFlags) const override;
 
+  /**
+   * Get the class list of this element (this corresponds to the value of the
+   * class attribute).  This may be null if there are no classes, but that's not
+   * guaranteed (e.g. we could have class="").
+   */
+  const nsAttrValue* GetClasses() const {
+    if (HasFlag(NODE_MAY_HAVE_CLASS)) {
+      return DoGetClasses();
+    }
+    return nullptr;
+  }
+
 #ifdef DEBUG
   virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override
   {
@@ -1372,6 +1384,12 @@ protected:
 
 private:
   /**
+   * Hook for implementing GetClasses.  This is guaranteed to only be
+   * called if the NODE_MAY_HAVE_CLASS flag is set.
+   */
+  const nsAttrValue* DoGetClasses() const;
+
+  /**
    * Get this element's client area rect in app units.
    * @return the frame's client area
    */
diff --git a/dom/base/File.cpp b/dom/base/File.cpp
index 46b37b976..8602a3064 100644..100755
--- a/dom/base/File.cpp
+++ b/dom/base/File.cpp
@@ -29,6 +29,7 @@
 #include "nsStringStream.h"
 #include "nsJSUtils.h"
 #include "nsPrintfCString.h"
+#include "mozilla/TimerClamping.h"
 #include "mozilla/SHA1.h"
 #include "mozilla/CheckedInt.h"
 #include "mozilla/Preferences.h"
@@ -727,7 +728,7 @@ BlobImplBase::GetLastModified(ErrorResult& aRv)
     mLastModificationDate = PR_Now();
   }
 
-  return mLastModificationDate / PR_USEC_PER_MSEC;
+  return TimerClamping::ReduceUsTimeValue(mLastModificationDate) / PR_USEC_PER_MSEC;
 }
 
 void
diff --git a/dom/base/FragmentOrElement.cpp b/dom/base/FragmentOrElement.cpp
index 293177ce7..79f6cff51 100644
--- a/dom/base/FragmentOrElement.cpp
+++ b/dom/base/FragmentOrElement.cpp
@@ -574,6 +574,9 @@ FragmentOrElement::nsDOMSlots::Traverse(nsCycleCollectionTraversalCallback &cb,
   NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mSlots->mChildrenList");
   cb.NoteXPCOMChild(NS_ISUPPORTS_CAST(nsIDOMNodeList*, mChildrenList));
 
+  NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mSlots->mLabelsList");
+  cb.NoteXPCOMChild(NS_ISUPPORTS_CAST(nsIDOMNodeList*, mLabelsList));
+
   NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mSlots->mClassList");
   cb.NoteXPCOMChild(mClassList.get());
 
@@ -602,6 +605,7 @@ FragmentOrElement::nsDOMSlots::Unlink(bool aIsXUL)
   mShadowRoot = nullptr;
   mContainingShadow = nullptr;
   mChildrenList = nullptr;
+  mLabelsList = nullptr;
   mCustomElementData = nullptr;
   mClassList = nullptr;
 }
@@ -1827,7 +1831,8 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INTERNAL(FragmentOrElement)
     }
 
     nsAutoString classes;
-    const nsAttrValue* classAttrValue = tmp->GetClasses();
+    const nsAttrValue* classAttrValue = tmp->IsElement() ?
+      tmp->AsElement()->GetClasses() : nullptr;
     if (classAttrValue) {
       classes.AppendLiteral(" class='");
       nsAutoString classString;
diff --git a/dom/base/FragmentOrElement.h b/dom/base/FragmentOrElement.h
index 3cb5575fe..1cd8033bb 100644
--- a/dom/base/FragmentOrElement.h
+++ b/dom/base/FragmentOrElement.h
@@ -24,6 +24,7 @@
 
 class ContentUnbinder;
 class nsContentList;
+class nsLabelsNodeList;
 class nsDOMAttributeMap;
 class nsDOMTokenList;
 class nsIControllers;
@@ -313,6 +314,11 @@ public:
      */
     RefPtr<nsDOMTokenList> mClassList;
 
+    /*
+     * An object implementing the .labels property for this element.
+     */
+    RefPtr<nsLabelsNodeList> mLabelsList;
+
     /**
      * ShadowRoot bound to the element.
      */
diff --git a/dom/base/MultipartBlobImpl.cpp b/dom/base/MultipartBlobImpl.cpp
index ba26d07f9..03bb62add 100644..100755
--- a/dom/base/MultipartBlobImpl.cpp
+++ b/dom/base/MultipartBlobImpl.cpp
@@ -17,6 +17,7 @@
 #include "nsContentUtils.h"
 #include "nsIScriptError.h"
 #include "nsIXPConnect.h"
+#include "mozilla/TimerClamping.h"
 #include <algorithm>
 
 using namespace mozilla;
@@ -270,8 +271,7 @@ MultipartBlobImpl::SetLengthAndModifiedDate(ErrorResult& aRv)
     //   var x = new Date(); var f = new File(...);
     //   x.getTime() < f.dateModified.getTime()
     // could fail.
-    mLastModificationDate =
-      lastModifiedSet ? lastModified * PR_USEC_PER_MSEC : JS_Now();
+    mLastModificationDate = TimerClamping::ReduceUsTimeValue(lastModifiedSet ? lastModified * PR_USEC_PER_MSEC : JS_Now());
   }
 }
 
diff --git a/dom/base/Navigator.cpp b/dom/base/Navigator.cpp
index 290af152b..5c315517c 100644
--- a/dom/base/Navigator.cpp
+++ b/dom/base/Navigator.cpp
@@ -97,8 +97,10 @@
 #endif
 #include "mozilla/dom/ContentChild.h"
 
+#ifdef MOZ_EME
 #include "mozilla/EMEUtils.h"
 #include "mozilla/DetailedPromise.h"
+#endif
 
 namespace mozilla {
 namespace dom {
@@ -214,7 +216,9 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Navigator)
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServiceWorkerContainer)
 
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
+#ifdef MOZ_EME
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaKeySystemAccessManager)
+#endif
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPresentation)
 #ifdef MOZ_GAMEPAD
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGamepadServiceTest)
@@ -288,10 +292,12 @@ Navigator::Invalidate()
 
   mServiceWorkerContainer = nullptr;
 
+#ifdef MOZ_EME
   if (mMediaKeySystemAccessManager) {
     mMediaKeySystemAccessManager->Shutdown();
     mMediaKeySystemAccessManager = nullptr;
   }
+#endif
 
 #ifdef MOZ_GAMEPAD
   if (mGamepadServiceTest) {
@@ -1854,16 +1860,6 @@ Navigator::GetUserAgent(nsPIDOMWindowInner* aWindow, nsIURI* aURI,
 {
   MOZ_ASSERT(NS_IsMainThread());
 
-  if (!aIsCallerChrome) {
-    const nsAdoptingString& override =
-      mozilla::Preferences::GetString("general.useragent.override");
-
-    if (override) {
-      aUserAgent = override;
-      return NS_OK;
-    }
-  }
-
   nsresult rv;
   nsCOMPtr<nsIHttpProtocolHandler>
     service(do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &rv));
@@ -1894,6 +1890,7 @@ Navigator::GetUserAgent(nsPIDOMWindowInner* aWindow, nsIURI* aURI,
   return siteSpecificUA->GetUserAgentForURIAndWindow(aURI, aWindow, aUserAgent);
 }
 
+#ifdef MOZ_EME
 static nsCString
 ToCString(const nsString& aString)
 {
@@ -2019,6 +2016,7 @@ Navigator::RequestMediaKeySystemAccess(const nsAString& aKeySystem,
   mMediaKeySystemAccessManager->Request(promise, aKeySystem, aConfigs);
   return promise.forget();
 }
+#endif
 
 Presentation*
 Navigator::GetPresentation(ErrorResult& aRv)
diff --git a/dom/base/Navigator.h b/dom/base/Navigator.h
index 4b4ae6759..d47a80bc1 100644
--- a/dom/base/Navigator.h
+++ b/dom/base/Navigator.h
@@ -18,7 +18,9 @@
 #include "nsString.h"
 #include "nsTArray.h"
 #include "nsWeakPtr.h"
+#ifdef MOZ_EME
 #include "mozilla/dom/MediaKeySystemAccessManager.h"
+#endif
 
 class nsPluginArray;
 class nsMimeTypeArray;
@@ -258,12 +260,14 @@ public:
   // any, else null.
   static already_AddRefed<nsPIDOMWindowInner> GetWindowFromGlobal(JSObject* aGlobal);
 
+#ifdef MOZ_EME
   already_AddRefed<Promise>
   RequestMediaKeySystemAccess(const nsAString& aKeySystem,
                               const Sequence<MediaKeySystemConfiguration>& aConfig,
                               ErrorResult& aRv);
 private:
   RefPtr<MediaKeySystemAccessManager> mMediaKeySystemAccessManager;
+#endif
 
 public:
   void NotifyVRDisplaysUpdated();
diff --git a/dom/base/TimerClamping.cpp b/dom/base/TimerClamping.cpp
new file mode 100755
index 000000000..70639686b
--- /dev/null
+++ b/dom/base/TimerClamping.cpp
@@ -0,0 +1,35 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "TimerClamping.h"
+
+namespace mozilla {
+
+/* static */
+double
+TimerClamping::ReduceSTimeValue(double aTime)
+{
+  static const double maxResolutionS = .002;
+  return floor(aTime / maxResolutionS) * maxResolutionS;
+}
+
+/* static */
+double
+TimerClamping::ReduceMsTimeValue(double aTime)
+{
+  static const double maxResolutionMs = 2;
+  return floor(aTime / maxResolutionMs) * maxResolutionMs;
+}
+
+/* static */
+double
+TimerClamping::ReduceUsTimeValue(double aTime)
+{
+  static const double maxResolutionUs = 2000;
+  return floor(aTime / maxResolutionUs) * maxResolutionUs;
+}
+
+}
\ No newline at end of file
diff --git a/dom/base/TimerClamping.h b/dom/base/TimerClamping.h
new file mode 100755
index 000000000..2ffd6add5
--- /dev/null
+++ b/dom/base/TimerClamping.h
@@ -0,0 +1,22 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef TimerClamping_h___
+#define TimerClamping_h___
+
+namespace mozilla {
+
+class TimerClamping
+{
+public:
+  static double ReduceSTimeValue(double aTime);
+  static double ReduceMsTimeValue(double aTime);
+  static double ReduceUsTimeValue(double aTime);
+};
+
+}
+
+#endif /* TimerClamping_h___ */
\ No newline at end of file
diff --git a/dom/base/moz.build b/dom/base/moz.build
index 0bc9902e4..0fb345d22 100644..100755
--- a/dom/base/moz.build
+++ b/dom/base/moz.build
@@ -143,6 +143,7 @@ EXPORTS.mozilla += [
     'CORSMode.h',
     'FeedWriterEnabled.h',
     'TextInputProcessor.h',
+    'TimerClamping.h',
     'UseCounter.h',
 ]
 
@@ -363,6 +364,7 @@ UNIFIED_SOURCES += [
     'TextInputProcessor.cpp',
     'ThirdPartyUtil.cpp',
     'Timeout.cpp',
+    'TimerClamping.cpp',
     'TreeWalker.cpp',
     'WebKitCSSMatrix.cpp',
     'WebSocket.cpp',
@@ -411,7 +413,7 @@ EXTRA_COMPONENTS += [
 ]
 
 # Firefox for Android provides an alternate version of this component
-if CONFIG['MOZ_BUILD_APP'] != 'mobile/android':
+if not CONFIG['MOZ_FENNEC']:
     EXTRA_COMPONENTS += [
         'SiteSpecificUserAgent.js',
         'SiteSpecificUserAgent.manifest',
@@ -472,7 +474,7 @@ include('/ipc/chromium/chromium-config.mozbuild')
 
 FINAL_LIBRARY = 'xul'
 
-if CONFIG['MOZ_BUILD_APP'] in ['mobile/android', 'xulrunner'] or CONFIG['MOZ_PHOENIX']:
+if CONFIG['MOZ_PHOENIX'] or CONFIG['MOZ_FENNEC'] or CONFIG['MOZ_XULRUNNER']:
     DEFINES['HAVE_SIDEBAR'] = True
 
 if CONFIG['MOZ_X11']:
diff --git a/dom/base/nsContentList.cpp b/dom/base/nsContentList.cpp
index 09e949009..43e65777d 100644
--- a/dom/base/nsContentList.cpp
+++ b/dom/base/nsContentList.cpp
@@ -254,19 +254,6 @@ const nsCacheableFuncStringContentList::ContentListType
   nsCacheableFuncStringHTMLCollection::sType = nsCacheableFuncStringContentList::eHTMLCollection;
 #endif
 
-JSObject*
-nsCacheableFuncStringNodeList::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
-{
-  return NodeListBinding::Wrap(cx, this, aGivenProto);
-}
-
-
-JSObject*
-nsCacheableFuncStringHTMLCollection::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
-{
-  return HTMLCollectionBinding::Wrap(cx, this, aGivenProto);
-}
-
 // Hashtable for storing nsCacheableFuncStringContentList
 static PLDHashTable* gFuncStringContentListHashTable;
 
@@ -379,6 +366,7 @@ NS_GetFuncStringHTMLCollection(nsINode* aRootNode,
                                                                        aString);
 }
 
+//-----------------------------------------------------
 // nsContentList implementation
 
 nsContentList::nsContentList(nsINode* aRootNode,
@@ -660,7 +648,7 @@ nsContentList::AttributeChanged(nsIDocument *aDocument, Element* aElement,
                                 const nsAttrValue* aOldValue)
 {
   NS_PRECONDITION(aElement, "Must have a content node to work with");
-  
+
   if (!mFunc || !mFuncMayDependOnAttr || mState == LIST_DIRTY ||
       !MayContainRelevantNodes(aElement->GetParentNode()) ||
       !nsContentUtils::IsInSameAnonymousTree(mRootNode, aElement)) {
@@ -806,7 +794,7 @@ nsContentList::ContentInserted(nsIDocument *aDocument,
 
   ASSERT_IN_SYNC;
 }
- 
+
 void
 nsContentList::ContentRemoved(nsIDocument *aDocument,
                               nsIContent* aContainer,
@@ -1075,3 +1063,128 @@ nsContentList::AssertInSync()
   NS_ASSERTION(cnt == mElements.Length(), "Too few elements");
 }
 #endif
+
+//-----------------------------------------------------
+// nsCacheableFuncStringNodeList
+
+JSObject*
+nsCacheableFuncStringNodeList::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
+{
+  return NodeListBinding::Wrap(cx, this, aGivenProto);
+}
+
+//-----------------------------------------------------
+// nsCacheableFuncStringHTMLCollection
+
+JSObject*
+nsCacheableFuncStringHTMLCollection::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
+{
+  return HTMLCollectionBinding::Wrap(cx, this, aGivenProto);
+}
+
+//-----------------------------------------------------
+// nsLabelsNodeList
+
+JSObject*
+nsLabelsNodeList::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
+{
+  return NodeListBinding::Wrap(cx, this, aGivenProto);
+}
+
+void
+nsLabelsNodeList::AttributeChanged(nsIDocument* aDocument, Element* aElement,
+                                   int32_t aNameSpaceID, nsIAtom* aAttribute,
+                                   int32_t aModType,
+                                   const nsAttrValue* aOldValue)
+{
+  MOZ_ASSERT(aElement, "Must have a content node to work with");
+  if (mState == LIST_DIRTY ||
+      !nsContentUtils::IsInSameAnonymousTree(mRootNode, aElement)) {
+    return;
+  }
+
+  // We need to handle input type changes to or from "hidden".
+  if (aElement->IsHTMLElement(nsGkAtoms::input) &&
+      aAttribute == nsGkAtoms::type && aNameSpaceID == kNameSpaceID_None) {
+    SetDirty();
+    return;
+  }
+}
+
+void
+nsLabelsNodeList::ContentAppended(nsIDocument* aDocument,
+                                  nsIContent* aContainer,
+                                  nsIContent* aFirstNewContent,
+                                  int32_t aNewIndexInContainer)
+{
+  // If a labelable element is moved to outside or inside of
+  // nested associated labels, we're gonna have to modify
+  // the content list.
+  if (mState != LIST_DIRTY ||
+      nsContentUtils::IsInSameAnonymousTree(mRootNode, aContainer)) {
+    SetDirty();
+    return;
+  }
+}
+
+void
+nsLabelsNodeList::ContentInserted(nsIDocument* aDocument,
+                                  nsIContent* aContainer,
+                                  nsIContent* aChild,
+                                  int32_t aIndexInContainer)
+{
+  // If a labelable element is moved to outside or inside of
+  // nested associated labels, we're gonna have to modify
+  // the content list.
+  if (mState != LIST_DIRTY ||
+      nsContentUtils::IsInSameAnonymousTree(mRootNode, aChild)) {
+    SetDirty();
+    return;
+  }
+}
+
+void
+nsLabelsNodeList::ContentRemoved(nsIDocument* aDocument,
+                                 nsIContent* aContainer,
+                                 nsIContent* aChild,
+                                 int32_t aIndexInContainer,
+                                 nsIContent* aPreviousSibling)
+{
+  // If a labelable element is removed, we're gonna have to clean
+  // the content list.
+  if (mState != LIST_DIRTY ||
+      nsContentUtils::IsInSameAnonymousTree(mRootNode, aChild)) {
+    SetDirty();
+    return;
+  }
+}
+
+void
+nsLabelsNodeList::MaybeResetRoot(nsINode* aRootNode)
+{
+  MOZ_ASSERT(aRootNode, "Must have root");
+  if (mRootNode == aRootNode) {
+    return;
+  }
+
+  if (mRootNode) {
+    mRootNode->RemoveMutationObserver(this);
+  }
+  mRootNode = aRootNode;
+  mRootNode->AddMutationObserver(this);
+  SetDirty();
+}
+
+void
+nsLabelsNodeList::PopulateSelf(uint32_t aNeededLength)
+{
+  MOZ_ASSERT(mRootNode, "Must have root");
+
+  // Start searching at the root.
+  nsINode* cur = mRootNode;
+  if (mElements.IsEmpty() && cur->IsElement() && Match(cur->AsElement())) {
+    mElements.AppendElement(cur->AsElement());
+  }
+
+  nsContentList::PopulateSelf(aNeededLength);
+}
diff --git a/dom/base/nsContentList.h b/dom/base/nsContentList.h
index 3878074b2..83d27da95 100644
--- a/dom/base/nsContentList.h
+++ b/dom/base/nsContentList.h
@@ -371,9 +371,9 @@ protected:
    * traversed the whole document (or both).
    *
    * @param aNeededLength the length the list should have when we are
-   *        done (unless it exhausts the document)   
+   *        done (unless it exhausts the document)
    */
-  void PopulateSelf(uint32_t aNeededLength);
+  virtual void PopulateSelf(uint32_t aNeededLength);
 
   /**
    * @param  aContainer a content node which must be a descendant of
@@ -584,4 +584,40 @@ public:
 #endif
 };
 
+class nsLabelsNodeList final : public nsContentList
+{
+public:
+  nsLabelsNodeList(nsINode* aRootNode,
+                   nsContentListMatchFunc aFunc,
+                   nsContentListDestroyFunc aDestroyFunc,
+                   void* aData)
+    : nsContentList(aRootNode, aFunc, aDestroyFunc, aData)
+  {
+  }
+
+  NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
+  NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
+  NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
+  NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
+
+  virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
+
+ /**
+  * Reset root, mutation observer, and clear content list
+  * if the root has been changed.
+  *
+  * @param aRootNode The node under which to limit our search.
+  */
+  void MaybeResetRoot(nsINode* aRootNode);
+
+private:
+ /**
+  * Start searching at the last one if we already have nodes, otherwise
+  * start searching at the root.
+  *
+  * @param aNeededLength The list of length should have when we are
+  *                      done (unless it exhausts the document).
+  */
+  void PopulateSelf(uint32_t aNeededLength) override;
+};
 #endif // nsContentList_h___
diff --git a/dom/base/nsContentListDeclarations.h b/dom/base/nsContentListDeclarations.h
index db3a09036..a5e0e3691 100644
--- a/dom/base/nsContentListDeclarations.h
+++ b/dom/base/nsContentListDeclarations.h
@@ -18,6 +18,12 @@ class nsINode;
 class nsString;
 class nsAString;
 
+namespace mozilla {
+namespace dom {
+class Element;
+} // namespace dom
+} // namespace mozilla
+
 // Magic namespace id that means "match all namespaces".  This is
 // negative so it won't collide with actual namespace constants.
 #define kNameSpaceID_Wildcard INT32_MIN
@@ -26,7 +32,7 @@ class nsAString;
 // arbitrary matching algorithm.  aContent is the content that may
 // match the list, while aNamespaceID, aAtom, and aData are whatever
 // was passed to the list's constructor.
-typedef bool (*nsContentListMatchFunc)(nsIContent* aContent,
+typedef bool (*nsContentListMatchFunc)(mozilla::dom::Element* aElement,
                                        int32_t aNamespaceID,
                                        nsIAtom* aAtom,
                                        void* aData);
diff --git a/dom/base/nsContentUtils.cpp b/dom/base/nsContentUtils.cpp
index 1cc352685..02c6bf1de 100644
--- a/dom/base/nsContentUtils.cpp
+++ b/dom/base/nsContentUtils.cpp
@@ -6287,11 +6287,11 @@ struct ClassMatchingInfo {
 
 // static
 bool
-nsContentUtils::MatchClassNames(nsIContent* aContent, int32_t aNamespaceID,
+nsContentUtils::MatchClassNames(Element* aElement, int32_t aNamespaceID,
                                 nsIAtom* aAtom, void* aData)
 {
   // We can't match if there are no class names
-  const nsAttrValue* classAttr = aContent->GetClasses();
+  const nsAttrValue* classAttr = aElement->GetClasses();
   if (!classAttr) {
     return false;
   }
diff --git a/dom/base/nsContentUtils.h b/dom/base/nsContentUtils.h
index f688eeecf..0a293d73e 100644
--- a/dom/base/nsContentUtils.h
+++ b/dom/base/nsContentUtils.h
@@ -2753,7 +2753,8 @@ private:
 
   static void DropFragmentParsers();
 
-  static bool MatchClassNames(nsIContent* aContent, int32_t aNamespaceID,
+  static bool MatchClassNames(mozilla::dom::Element* aElement,
+                              int32_t aNamespaceID,
                               nsIAtom* aAtom, void* aData);
   static void DestroyClassNameArray(void* aData);
   static void* AllocClassMatchingInfo(nsINode* aRootNode,
diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index 8e6920a0e..eaea49b02 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -61,6 +61,7 @@
 #include "nsGenericHTMLElement.h"
 #include "mozilla/dom/CDATASection.h"
 #include "mozilla/dom/ProcessingInstruction.h"
+#include "nsDSURIContentListener.h"
 #include "nsDOMString.h"
 #include "nsNodeUtils.h"
 #include "nsLayoutUtils.h" // for GetFrameForPoint
@@ -2456,6 +2457,15 @@ nsDocument::StartDocumentLoad(const char* aCommand, nsIChannel* aChannel,
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
+  // XFO needs to be checked after CSP because it is ignored if
+  // the CSP defines frame-ancestors.
+  if (!nsDSURIContentListener::CheckFrameOptions(aChannel, docShell, NodePrincipal())) {
+    MOZ_LOG(gCspPRLog, LogLevel::Debug,
+            ("XFO doesn't like frame's ancestry, not loading."));
+    // stop!  ERROR page!
+    aChannel->Cancel(NS_ERROR_CSP_FRAME_ANCESTOR_VIOLATION);
+  }
+
   return NS_OK;
 }
 
@@ -4330,6 +4340,7 @@ nsDocument::SetScopeObject(nsIGlobalObject* aGlobal)
   }
 }
 
+#ifdef MOZ_EME
 static void
 CheckIfContainsEMEContent(nsISupports* aSupports, void* aContainsEME)
 {
@@ -4353,6 +4364,7 @@ nsDocument::ContainsEMEContent()
                              static_cast<void*>(&containsEME));
   return containsEME;
 }
+#endif // MOZ_EME
 
 static void
 CheckIfContainsMSEContent(nsISupports* aSupports, void* aContainsMSE)
@@ -8380,11 +8392,13 @@ nsDocument::CanSavePresentation(nsIRequest *aNewRequest)
   }
 #endif // MOZ_WEBRTC
 
+#ifdef MOZ_EME
   // Don't save presentations for documents containing EME content, so that
   // CDMs reliably shutdown upon user navigation.
   if (ContainsEMEContent()) {
     return false;
   }
+#endif
 
   // Don't save presentations for documents containing MSE content, to
   // reduce memory usage.
diff --git a/dom/base/nsDocument.h b/dom/base/nsDocument.h
index 17d936055..3725b3c18 100644
--- a/dom/base/nsDocument.h
+++ b/dom/base/nsDocument.h
@@ -1267,7 +1267,9 @@ public:
 
   js::ExpandoAndGeneration mExpandoAndGeneration;
 
+#ifdef MOZ_EME
   bool ContainsEMEContent();
+#endif
 
   bool ContainsMSEContent();
 
@@ -1491,7 +1493,6 @@ private:
   void PostUnblockOnloadEvent();
   void DoUnblockOnload();
 
-  nsresult CheckFrameOptions();
   nsresult InitCSP(nsIChannel* aChannel);
 
   /**
diff --git a/dom/base/nsDocumentEncoder.cpp b/dom/base/nsDocumentEncoder.cpp
index 0a3570962..84b128b15 100644
--- a/dom/base/nsDocumentEncoder.cpp
+++ b/dom/base/nsDocumentEncoder.cpp
@@ -481,7 +481,7 @@ nsDocumentEncoder::SerializeToStringRecursive(nsINode* aNode,
   }
 
   if (!aDontSerializeRoot) {
-    rv = SerializeNodeEnd(node, aStr);
+    rv = SerializeNodeEnd(maybeFixedNode, aStr);
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
diff --git a/dom/base/nsGkAtomList.h b/dom/base/nsGkAtomList.h
index 0b76b2bea..e4ae7ede8 100644
--- a/dom/base/nsGkAtomList.h
+++ b/dom/base/nsGkAtomList.h
@@ -526,6 +526,7 @@ GK_ATOM(keytext, "keytext")
 GK_ATOM(keyup, "keyup")
 GK_ATOM(kind, "kind")
 GK_ATOM(label, "label")
+GK_ATOM(labels, "labels")
 GK_ATOM(lang, "lang")
 GK_ATOM(language, "language")
 GK_ATOM(last, "last")
@@ -950,6 +951,7 @@ GK_ATOM(onupdateready, "onupdateready")
 GK_ATOM(onupgradeneeded, "onupgradeneeded")
 GK_ATOM(onussdreceived, "onussdreceived")
 GK_ATOM(onversionchange, "onversionchange")
+GK_ATOM(onvisibilitychange, "onvisibilitychange")
 GK_ATOM(onvoicechange, "onvoicechange")
 GK_ATOM(onvoiceschanged, "onvoiceschanged")
 GK_ATOM(onvrdisplayconnect, "onvrdisplayconnect")
@@ -1449,6 +1451,7 @@ GK_ATOM(font_style, "font-style")
 GK_ATOM(font_variant, "font-variant")
 GK_ATOM(foreignObject, "foreignObject")
 GK_ATOM(fractalNoise, "fractalNoise")
+GK_ATOM(fr, "fr")
 GK_ATOM(fx, "fx")
 GK_ATOM(fy, "fy")
 GK_ATOM(G, "G")
diff --git a/dom/base/nsGlobalWindow.cpp b/dom/base/nsGlobalWindow.cpp
index 8ff4b84ce..f784031f6 100644
--- a/dom/base/nsGlobalWindow.cpp
+++ b/dom/base/nsGlobalWindow.cpp
@@ -6187,7 +6187,7 @@ nsGlobalWindow::GetScrollMaxY(ErrorResult& aError)
   FORWARD_TO_OUTER_OR_THROW(GetScrollBoundaryOuter, (eSideBottom), aError, 0);
 }
 
-CSSIntPoint
+CSSPoint
 nsGlobalWindow::GetScrollXY(bool aDoFlush)
 {
   MOZ_ASSERT(IsOuterWindow());
@@ -6211,30 +6211,30 @@ nsGlobalWindow::GetScrollXY(bool aDoFlush)
     return GetScrollXY(true);
   }
 
-  return sf->GetScrollPositionCSSPixels();
+  return CSSPoint::FromAppUnits(scrollPos);
 }
 
-int32_t
+double
 nsGlobalWindow::GetScrollXOuter()
 {
   MOZ_RELEASE_ASSERT(IsOuterWindow());
   return GetScrollXY(false).x;
 }
 
-int32_t
+double
 nsGlobalWindow::GetScrollX(ErrorResult& aError)
 {
   FORWARD_TO_OUTER_OR_THROW(GetScrollXOuter, (), aError, 0);
 }
 
-int32_t
+double
 nsGlobalWindow::GetScrollYOuter()
 {
   MOZ_RELEASE_ASSERT(IsOuterWindow());
   return GetScrollXY(false).y;
 }
 
-int32_t
+double
 nsGlobalWindow::GetScrollY(ErrorResult& aError)
 {
   FORWARD_TO_OUTER_OR_THROW(GetScrollYOuter, (), aError, 0);
diff --git a/dom/base/nsGlobalWindow.h b/dom/base/nsGlobalWindow.h
index eab91c2e4..dbceeab74 100644
--- a/dom/base/nsGlobalWindow.h
+++ b/dom/base/nsGlobalWindow.h
@@ -1050,15 +1050,15 @@ public:
   void SetInnerHeight(JSContext* aCx, JS::Handle<JS::Value> aValue,
                       mozilla::dom::CallerType aCallerType,
                       mozilla::ErrorResult& aError);
-  int32_t GetScrollXOuter();
-  int32_t GetScrollX(mozilla::ErrorResult& aError);
-  int32_t GetPageXOffset(mozilla::ErrorResult& aError)
+  double GetScrollXOuter();
+  double GetScrollX(mozilla::ErrorResult& aError);
+  double GetPageXOffset(mozilla::ErrorResult& aError)
   {
     return GetScrollX(aError);
   }
-  int32_t GetScrollYOuter();
-  int32_t GetScrollY(mozilla::ErrorResult& aError);
-  int32_t GetPageYOffset(mozilla::ErrorResult& aError)
+  double GetScrollYOuter();
+  double GetScrollY(mozilla::ErrorResult& aError);
+  double GetPageYOffset(mozilla::ErrorResult& aError)
   {
     return GetScrollY(aError);
   }
@@ -1579,7 +1579,7 @@ public:
   // If aDoFlush is true, we'll flush our own layout; otherwise we'll try to
   // just flush our parent and only flush ourselves if we think we need to.
   // Outer windows only.
-  mozilla::CSSIntPoint GetScrollXY(bool aDoFlush);
+  mozilla::CSSPoint GetScrollXY(bool aDoFlush);
 
   int32_t GetScrollBoundaryOuter(mozilla::Side aSide);
 
diff --git a/dom/base/nsIContent.h b/dom/base/nsIContent.h
index f05c47a61..405090865 100644
--- a/dom/base/nsIContent.h
+++ b/dom/base/nsIContent.h
@@ -862,18 +862,6 @@ public:
   }
 
   /**
-   * Get the class list of this content node (this corresponds to the
-   * value of the class attribute).  This may be null if there are no
-   * classes, but that's not guaranteed.
-   */
-  const nsAttrValue* GetClasses() const {
-    if (HasFlag(NODE_MAY_HAVE_CLASS)) {
-      return DoGetClasses();
-    }
-    return nullptr;
-  }
-
-  /**
    * Walk aRuleWalker over the content style rules (presentational
    * hint rules) for this content node.
    */
@@ -990,13 +978,6 @@ protected:
    */
   nsIAtom* DoGetID() const;
 
-private:
-  /**
-   * Hook for implementing GetClasses.  This is guaranteed to only be
-   * called if the NODE_MAY_HAVE_CLASS flag is set.
-   */
-  const nsAttrValue* DoGetClasses() const;
-
 public:
 #ifdef DEBUG
   /**
diff --git a/dom/base/nsPluginArray.cpp b/dom/base/nsPluginArray.cpp
index b9c946ca3..5b9378ae0 100644
--- a/dom/base/nsPluginArray.cpp
+++ b/dom/base/nsPluginArray.cpp
@@ -372,9 +372,21 @@ nsPluginArray::EnsurePlugins()
           nsCString permString;
           nsresult rv = pluginHost->GetPermissionStringForTag(pluginTag, 0, permString);
           if (rv == NS_OK) {
-            nsIPrincipal* principal = mWindow->GetExtantDoc()->NodePrincipal();
-            nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
-            permMgr->TestPermissionFromPrincipal(principal, permString.get(), &permission);
+            nsCOMPtr<nsIDocument> currentDoc = mWindow->GetExtantDoc();
+
+            // The top-level content document gets the final say on whether or not
+            // a plugin is going to be hidden or not, regardless of the origin
+            // that a subframe is hosted at. This is to avoid spamming the user
+            // with the hidden plugin notification bar when third-party iframes
+            // attempt to access navigator.plugins after the user has already
+            // expressed that the top-level document has this permission.
+            nsCOMPtr<nsIDocument> topDoc = currentDoc->GetTopLevelContentDocument();
+
+            if (topDoc) {
+              nsIPrincipal* principal = topDoc->NodePrincipal();
+              nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
+              permMgr->TestPermissionFromPrincipal(principal, permString.get(), &permission);
+            }
           }
         }
       }
diff --git a/dom/base/nsXHTMLContentSerializer.cpp b/dom/base/nsXHTMLContentSerializer.cpp
index 0dc31d7ae..111ed46c7 100644..100755
--- a/dom/base/nsXHTMLContentSerializer.cpp
+++ b/dom/base/nsXHTMLContentSerializer.cpp
@@ -306,7 +306,7 @@ nsXHTMLContentSerializer::SerializeAttributes(nsIContent* aContent,
         continue;
     }
 
-    BorrowedAttrInfo info = aContent->GetAttrInfoAt(index);
+    mozilla::dom::BorrowedAttrInfo info = aContent->GetAttrInfoAt(index);
     const nsAttrName* name = info.mName;
 
     int32_t namespaceID = name->NamespaceID();
diff --git a/dom/base/test/test_bug1375050.html b/dom/base/test/test_bug1375050.html
new file mode 100644
index 000000000..b91b859d0
--- /dev/null
+++ b/dom/base/test/test_bug1375050.html
@@ -0,0 +1,33 @@
+<!DOCTYPE HTML>

+<html>

+<!--

+https://bugzilla.mozilla.org/show_bug.cgi?id=1375050

+-->

+<head>

+  <meta charset="utf-8">

+  <title>Test for Bug 1375050</title>

+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

+  <script type="application/javascript">

+      try { o1 = document.createElement('input');  } catch(e) { console.log(e); };

+      try { o2 = document.createElement('col');  } catch(e) { console.log(e); };

+      try { o4 = document.createRange(); } catch(e) { console.log(e); };

+      try { document.documentElement.appendChild(o1); } catch(e) { console.log(e); };

+      try { for (let p in o1) { let x = o1[p] }; } catch(e) { console.log(e); };

+      try { o4.selectNode(o1); } catch(e) { console.log(e); };

+      try { o6 = document.createComment(" x"); } catch(e) { console.log(e); }

+      try { o4.surroundContents(o6); } catch(e) { console.log(e); }

+      try { o7 = document.implementation.createDocument('', '', null).adoptNode(o1); } catch(e) {  console.log(e);};

+      try { o2.appendChild(o1); } catch(e) { console.log(e); };

+      ok(true, "Didn't crash.");

+  </script>

+</head>

+<body>

+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1375050">Mozilla Bug 1375050</a>

+<p id="display"></p>

+<div id="content" style="display: none">

+</div>

+<pre id="test">

+</pre>

+</body>

+</html>

diff --git a/dom/base/test/test_bug403852.html b/dom/base/test/test_bug403852.html
index 30192cb1b..592711500 100644
--- a/dom/base/test/test_bug403852.html
+++ b/dom/base/test/test_bug403852.html
@@ -38,7 +38,8 @@ function onOpened(message) {
   ok("lastModifiedDate" in domFile, "lastModifiedDate must be present");
 
   var d = new Date(message.mtime);
-  is(d.getTime(), domFile.lastModifiedDate.getTime(), "lastModifiedDate should be the same");
+  // Commented out: lastModifiedDate is rounded because it is a DOM API, message is a special-powers Chrome thing
+  // is(d.getTime(), domFile.lastModifiedDate.getTime(), "lastModifiedDate should be the same");
 
   var x = new Date();
 
@@ -53,8 +54,8 @@ function onOpened(message) {
   ok((x.getTime() <= y.getTime()) && (y.getTime() <= z.getTime()), "lastModifiedDate of file which does not have last modified date should be current time");
 
 
-  var d = new Date(message.fileDate);
-  is(d.getTime(), message.fileWithDate.lastModifiedDate.getTime(), "lastModifiedDate should be the same when lastModified is set: " + message.fileWithDate.lastModified);
+  // var d = new Date(message.fileDate);
+  // is(d.getTime(), message.fileWithDate.lastModifiedDate.getTime(), "lastModifiedDate should be the same when lastModified is set: " + message.fileWithDate.lastModified);
 
   script.destroy();
   SimpleTest.finish();
diff --git a/dom/base/test/test_file_negative_date.html b/dom/base/test/test_file_negative_date.html
index ebfa9bd0d..26cf3b82e 100644
--- a/dom/base/test/test_file_negative_date.html
+++ b/dom/base/test/test_file_negative_date.html
@@ -22,13 +22,13 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=1158437
 
 var blob = new Blob(['hello world']);
 var f1 = new File([blob], 'f1.txt', { lastModified: 0 });
-var f2 = new File([blob], 'f2.txt', { lastModified: -1 });
+var f2 = new File([blob], 'f2.txt', { lastModified: -2 });
 var f3 = new File([blob], 'f3.txt', { lastModified: -1000 });
 
 is(f1.lastModified, 0, "lastModified == 0 is supported");
 ok(f1.lastModifiedDate.toString(), (new Date(0)).toString(), "Correct f1.lastModifiedDate value");
-is(f2.lastModified, -1, "lastModified == -1 is supported");
-ok(f2.lastModifiedDate.toString(), (new Date(-1)).toString(), "Correct f2.lastModifiedDate value");
+is(f2.lastModified, -2, "lastModified == -2 is supported");
+ok(f2.lastModifiedDate.toString(), (new Date(-2)).toString(), "Correct f2.lastModifiedDate value");
 is(f3.lastModified, -1000, "lastModified == -1000 is supported");
 ok(f3.lastModifiedDate.toString(), (new Date(-1000)).toString(), "Correct f3.lastModifiedDate value");
 
diff --git a/dom/base/test/test_viewport_scroll.html b/dom/base/test/test_viewport_scroll.html
index 9b812360b..7db02b781 100644
--- a/dom/base/test/test_viewport_scroll.html
+++ b/dom/base/test/test_viewport_scroll.html
@@ -28,10 +28,10 @@ function subtest(winProp, elemProp, win, correctElement, elemToSet, otherElem1,
   win.scrollTo(50, 50);
   elemToSet[elemProp] = 100;
   if (elemToSet == correctElement) {
-    is(win[winProp], 100, "Setting " + elemToSet.name + "." + elemProp + " should scroll");
+    is(Math.round(win[winProp]), 100, "Setting " + elemToSet.name + "." + elemProp + " should scroll");
     is(elemToSet[elemProp], 100, "Reading back " + elemToSet.name + "." + elemProp + " after scrolling");
   } else {
-    is(win[winProp], 50, "Setting " + elemToSet.name + "." + elemProp + " should not scroll");
+    is(Math.round(win[winProp]), 50, "Setting " + elemToSet.name + "." + elemProp + " should not scroll");
     is(elemToSet[elemProp], 0, "Reading back " + elemToSet.name + "." + elemProp + " after not scrolling");
   }
   if (otherElem1 == correctElement) {
diff --git a/dom/bindings/moz.build b/dom/bindings/moz.build
index eb00482c6..f1ce9e276 100644
--- a/dom/bindings/moz.build
+++ b/dom/bindings/moz.build
@@ -139,7 +139,7 @@ FINAL_LIBRARY = 'xul'
 SPHINX_TREES['webidl'] = 'docs'
 SPHINX_PYTHON_PACKAGE_DIRS += ['mozwebidlcodegen']
 
-if CONFIG['MOZ_BUILD_APP'] in ['mobile/android', 'xulrunner'] or CONFIG['MOZ_PHOENIX']:
+if CONFIG['MOZ_PHOENIX'] or CONFIG['MOZ_FENNEC'] or CONFIG['MOZ_XULRUNNER']:
     # This is needed for Window.webidl
     DEFINES['HAVE_SIDEBAR'] = True
 
diff --git a/dom/bindings/test/test_promise_rejections_from_jsimplemented.html b/dom/bindings/test/test_promise_rejections_from_jsimplemented.html
index 5428030c5..68de079ed 100644
--- a/dom/bindings/test/test_promise_rejections_from_jsimplemented.html
+++ b/dom/bindings/test/test_promise_rejections_from_jsimplemented.html
@@ -93,7 +93,7 @@ doTest@${ourFile}:56:7
           checkExn.bind(null, 90, "ReferenceError",
                         "thereIsNoSuchContentFunction3 is not defined",
                         undefined, ourFile, 6,
-                        `doTest/<.then@${ourFile}:90:32
+                        `then@${ourFile}:90:32
 ` + (asyncStack ? `Async*doTest@${ourFile}:89:7\n` + parentFrame : ""))),
       t.testPromiseWithDOMExceptionThrowingPromiseInit().then(
           ensurePromiseFail.bind(null, 7),
diff --git a/dom/browser-element/mochitest/browserElement_ScrollEvent.js b/dom/browser-element/mochitest/browserElement_ScrollEvent.js
index 5c4b4dcf9..06dc91b86 100644
--- a/dom/browser-element/mochitest/browserElement_ScrollEvent.js
+++ b/dom/browser-element/mochitest/browserElement_ScrollEvent.js
@@ -16,8 +16,8 @@ function runTest() {
   iframe.addEventListener("mozbrowserscroll", function(e) {
     ok(true, "got mozbrowserscroll event.");
     ok(e.detail, "event.detail is not null.");
-    ok(e.detail.top === 4000, "top position is correct.");
-    ok(e.detail.left === 4000, "left position is correct.");
+    ok(Math.round(e.detail.top) == 4000, "top position is correct.");
+    ok(Math.round(e.detail.left) == 4000, "left position is correct.");
     SimpleTest.finish();
   });
 
diff --git a/dom/canvas/CanvasRenderingContext2D.cpp b/dom/canvas/CanvasRenderingContext2D.cpp
index b0a430fe4..15df2b337 100644
--- a/dom/canvas/CanvasRenderingContext2D.cpp
+++ b/dom/canvas/CanvasRenderingContext2D.cpp
@@ -92,8 +92,6 @@
 #include "mozilla/gfx/PathHelpers.h"
 #include "mozilla/gfx/DataSurfaceHelpers.h"
 #include "mozilla/gfx/PatternHelpers.h"
-#include "mozilla/ipc/DocumentRendererParent.h"
-#include "mozilla/ipc/PDocumentRendererParent.h"
 #include "mozilla/layers/PersistentBufferProvider.h"
 #include "mozilla/MathAlgorithms.h"
 #include "mozilla/Preferences.h"
@@ -4977,10 +4975,12 @@ CanvasRenderingContext2D::DrawImage(const CanvasImageSource& aImage,
       return;
     }
 
+#ifdef MOZ_EME
     if (video->ContainsRestrictedContent()) {
       aError.Throw(NS_ERROR_NOT_AVAILABLE);
       return;
     }
+#endif
 
     uint16_t readyState;
     if (NS_SUCCEEDED(video->GetReadyState(&readyState)) &&
diff --git a/dom/canvas/DocumentRendererChild.cpp b/dom/canvas/DocumentRendererChild.cpp
deleted file mode 100644
index 15dd5fc52..000000000
--- a/dom/canvas/DocumentRendererChild.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/ipc/DocumentRendererChild.h"
-
-#include "base/basictypes.h"
-
-#include "gfx2DGlue.h"
-#include "gfxPattern.h"
-#include "mozilla/gfx/2D.h"
-#include "mozilla/RefPtr.h"
-#include "nsPIDOMWindow.h"
-#include "nsIDOMWindow.h"
-#include "nsIDocShell.h"
-#include "nsIInterfaceRequestorUtils.h"
-#include "nsComponentManagerUtils.h"
-#include "nsCSSParser.h"
-#include "nsPresContext.h"
-#include "nsCOMPtr.h"
-#include "nsColor.h"
-#include "gfxContext.h"
-#include "nsLayoutUtils.h"
-#include "nsContentUtils.h"
-#include "nsCSSValue.h"
-#include "nsRuleNode.h"
-#include "mozilla/gfx/Matrix.h"
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::ipc;
-
-DocumentRendererChild::DocumentRendererChild()
-{}
-
-DocumentRendererChild::~DocumentRendererChild()
-{}
-
-bool
-DocumentRendererChild::RenderDocument(nsPIDOMWindowOuter* window,
-                                      const nsRect& documentRect,
-                                      const mozilla::gfx::Matrix& transform,
-                                      const nsString& aBGColor,
-                                      uint32_t renderFlags,
-                                      bool flushLayout,
-                                      const nsIntSize& renderSize,
-                                      nsCString& data)
-{
-    if (flushLayout)
-        nsContentUtils::FlushLayoutForTree(window);
-
-    RefPtr<nsPresContext> presContext;
-    if (window) {
-        nsIDocShell* docshell = window->GetDocShell();
-        if (docshell) {
-            docshell->GetPresContext(getter_AddRefs(presContext));
-        }
-    }
-    if (!presContext)
-        return false;
-
-    nsCSSParser parser;
-    nsCSSValue bgColorValue;
-    if (!parser.ParseColorString(aBGColor, nullptr, 0, bgColorValue)) {
-        return false;
-    }
-
-    nscolor bgColor;
-    if (!nsRuleNode::ComputeColor(bgColorValue, presContext, nullptr, bgColor)) {
-        return false;
-    }
-
-    // Draw directly into the output array.
-    data.SetLength(renderSize.width * renderSize.height * 4);
-
-    RefPtr<DrawTarget> dt =
-        Factory::CreateDrawTargetForData(BackendType::CAIRO,
-                                         reinterpret_cast<uint8_t*>(data.BeginWriting()),
-                                         IntSize(renderSize.width, renderSize.height),
-                                         4 * renderSize.width,
-                                         SurfaceFormat::B8G8R8A8);
-    if (!dt || !dt->IsValid()) {
-        gfxWarning() << "DocumentRendererChild::RenderDocument failed to Factory::CreateDrawTargetForData";
-        return false;
-    }
-    RefPtr<gfxContext> ctx = gfxContext::CreateOrNull(dt);
-    MOZ_ASSERT(ctx); // already checked the draw target above
-    ctx->SetMatrix(mozilla::gfx::ThebesMatrix(transform));
-
-    nsCOMPtr<nsIPresShell> shell = presContext->PresShell();
-    shell->RenderDocument(documentRect, renderFlags, bgColor, ctx);
-
-    return true;
-}
diff --git a/dom/canvas/DocumentRendererChild.h b/dom/canvas/DocumentRendererChild.h
deleted file mode 100644
index 463ba2707..000000000
--- a/dom/canvas/DocumentRendererChild.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_DocumentRendererChild
-#define mozilla_dom_DocumentRendererChild
-
-#include "mozilla/ipc/PDocumentRendererChild.h"
-#include "nsString.h"
-#include "gfxContext.h"
-
-class nsIDOMWindow;
-
-namespace mozilla {
-namespace ipc {
-
-class DocumentRendererChild : public PDocumentRendererChild
-{
-public:
-    DocumentRendererChild();
-    virtual ~DocumentRendererChild();
-
-    bool RenderDocument(nsPIDOMWindowOuter* window,
-                        const nsRect& documentRect, const gfx::Matrix& transform,
-                        const nsString& bgcolor,
-                        uint32_t renderFlags, bool flushLayout,
-                        const nsIntSize& renderSize, nsCString& data);
-
-private:
-
-    DISALLOW_EVIL_CONSTRUCTORS(DocumentRendererChild);
-};
-
-} // namespace ipc
-} // namespace mozilla
-
-#endif
diff --git a/dom/canvas/DocumentRendererParent.cpp b/dom/canvas/DocumentRendererParent.cpp
deleted file mode 100644
index d9578ac4e..000000000
--- a/dom/canvas/DocumentRendererParent.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/ipc/DocumentRendererParent.h"
-
-#include "gfx2DGlue.h"
-#include "mozilla/gfx/2D.h"
-#include "mozilla/gfx/PathHelpers.h"
-#include "mozilla/RefPtr.h"
-#include "nsICanvasRenderingContextInternal.h"
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::ipc;
-
-DocumentRendererParent::DocumentRendererParent()
-{}
-
-DocumentRendererParent::~DocumentRendererParent()
-{}
-
-void DocumentRendererParent::SetCanvasContext(nsICanvasRenderingContextInternal* aCanvas,
-                                              gfxContext* ctx)
-{
-    mCanvas = aCanvas;
-    mCanvasContext = ctx;
-}
-
-void DocumentRendererParent::DrawToCanvas(const nsIntSize& aSize,
-                                          const nsCString& aData)
-{
-    if (!mCanvas || !mCanvasContext)
-        return;
-
-    DrawTarget* drawTarget = mCanvasContext->GetDrawTarget();
-    Rect rect(0, 0, aSize.width, aSize.height);
-    MaybeSnapToDevicePixels(rect, *drawTarget, true);
-    RefPtr<DataSourceSurface> dataSurface =
-        Factory::CreateWrappingDataSourceSurface(reinterpret_cast<uint8_t*>(const_cast<nsCString&>(aData).BeginWriting()),
-                                                 aSize.width * 4,
-                                                 IntSize(aSize.width, aSize.height),
-                                                 SurfaceFormat::B8G8R8A8);
-    SurfacePattern pattern(dataSurface, ExtendMode::CLAMP);
-    drawTarget->FillRect(rect, pattern);
-
-    gfxRect damageRect = mCanvasContext->UserToDevice(ThebesRect(rect));
-    mCanvas->Redraw(damageRect);
-}
-
-void
-DocumentRendererParent::ActorDestroy(ActorDestroyReason aWhy)
-{
-  // Implement me! Bug 1005139
-}
-
-bool
-DocumentRendererParent::Recv__delete__(const nsIntSize& renderedSize,
-                                       const nsCString& data)
-{
-    DrawToCanvas(renderedSize, data);
-    return true;
-}
diff --git a/dom/canvas/DocumentRendererParent.h b/dom/canvas/DocumentRendererParent.h
deleted file mode 100644
index 432aa8264..000000000
--- a/dom/canvas/DocumentRendererParent.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_DocumentRendererParent
-#define mozilla_dom_DocumentRendererParent
-
-#include "mozilla/ipc/PDocumentRendererParent.h"
-#include "nsCOMPtr.h"
-#include "nsString.h"
-#include "gfxContext.h"
-
-class nsICanvasRenderingContextInternal;
-
-namespace mozilla {
-namespace ipc {
-
-class DocumentRendererParent : public PDocumentRendererParent
-{
-public:
-    DocumentRendererParent();
-    virtual ~DocumentRendererParent();
-
-    void SetCanvasContext(nsICanvasRenderingContextInternal* aCanvas,
-			  gfxContext* ctx);
-    void DrawToCanvas(const nsIntSize& renderedSize,
-		      const nsCString& aData);
-
-    virtual void ActorDestroy(ActorDestroyReason aWhy) override;
-
-    virtual bool Recv__delete__(const nsIntSize& renderedSize,
-                                const nsCString& data) override;
-
-private:
-    nsCOMPtr<nsICanvasRenderingContextInternal> mCanvas;
-    RefPtr<gfxContext> mCanvasContext;
-
-    DISALLOW_EVIL_CONSTRUCTORS(DocumentRendererParent);
-};
-
-} // namespace ipc
-} // namespace mozilla
-
-#endif
diff --git a/dom/canvas/WebGL2ContextState.cpp b/dom/canvas/WebGL2ContextState.cpp
index be0a7a3cb..e6283b12d 100644
--- a/dom/canvas/WebGL2ContextState.cpp
+++ b/dom/canvas/WebGL2ContextState.cpp
@@ -7,6 +7,7 @@
 #include "WebGL2Context.h"
 
 #include "GLContext.h"
+#include "GLScreenBuffer.h"
 #include "WebGLBuffer.h"
 #include "WebGLContextUtils.h"
 #include "WebGLFramebuffer.h"
diff --git a/dom/canvas/WebGLContextDraw.cpp b/dom/canvas/WebGLContextDraw.cpp
index 66fca7689..867e47cbd 100644
--- a/dom/canvas/WebGLContextDraw.cpp
+++ b/dom/canvas/WebGLContextDraw.cpp
@@ -16,6 +16,7 @@
 #include "WebGLRenderbuffer.h"
 #include "WebGLShader.h"
 #include "WebGLTexture.h"
+#include "WebGLTransformFeedback.h"
 #include "WebGLVertexArray.h"
 #include "WebGLVertexAttribData.h"
 
diff --git a/dom/canvas/WebGLContextExtensions.cpp b/dom/canvas/WebGLContextExtensions.cpp
index 28ba14fa2..4a5a23274 100644
--- a/dom/canvas/WebGLContextExtensions.cpp
+++ b/dom/canvas/WebGLContextExtensions.cpp
@@ -89,6 +89,8 @@ bool WebGLContext::IsExtensionSupported(dom::CallerType callerType,
 
     if (allowPrivilegedExts) {
         switch (ext) {
+        case WebGLExtensionID::EXT_disjoint_timer_query:
+            return WebGLExtensionDisjointTimerQuery::IsSupported(this);
         case WebGLExtensionID::WEBGL_debug_renderer_info:
             return true;
         case WebGLExtensionID::WEBGL_debug_shaders:
@@ -112,8 +114,6 @@ WebGLContext::IsExtensionSupported(WebGLExtensionID ext) const
     switch (ext) {
     // In alphabetical order
     // EXT_
-    case WebGLExtensionID::EXT_disjoint_timer_query:
-        return WebGLExtensionDisjointTimerQuery::IsSupported(this);
     case WebGLExtensionID::EXT_texture_filter_anisotropic:
         return gl->IsExtensionSupported(gl::GLContext::EXT_texture_filter_anisotropic);
 
diff --git a/dom/canvas/WebGLFramebuffer.cpp b/dom/canvas/WebGLFramebuffer.cpp
index 35efa4f16..0abaf3dd7 100644
--- a/dom/canvas/WebGLFramebuffer.cpp
+++ b/dom/canvas/WebGLFramebuffer.cpp
@@ -17,7 +17,9 @@
 #include "WebGLContextUtils.h"
 #include "WebGLExtensions.h"
 #include "WebGLRenderbuffer.h"
+#include "WebGLShader.h"
 #include "WebGLTexture.h"
+#include "WebGLObjectModel.h"
 
 namespace mozilla {
 
@@ -1940,6 +1942,7 @@ ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
     }
 }
 
+
 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLFramebuffer,
                                       mDepthAttachment,
                                       mStencilAttachment,
diff --git a/dom/canvas/WebGLObjectModel.h b/dom/canvas/WebGLObjectModel.h
index e19d2fd8e..b18b790c0 100644
--- a/dom/canvas/WebGLObjectModel.h
+++ b/dom/canvas/WebGLObjectModel.h
@@ -15,6 +15,7 @@ namespace mozilla {
 template<typename> class LinkedList;
 class WebGLContext;
 
+
 ////
 
 // This class is a mixin for objects that are tied to a specific
@@ -355,6 +356,16 @@ ImplCycleCollectionUnlink(mozilla::WebGLRefPtr<T>& field)
 template <typename T>
 inline void
 ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
+                            mozilla::WebGLRefPtr<T>& field,
+                            const char* name,
+                            uint32_t flags = 0)
+{
+    CycleCollectionNoteChild(callback, field.get(), name, flags);
+}
+
+template <typename T>
+inline void
+ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
                             const mozilla::WebGLRefPtr<T>& field,
                             const char* name,
                             uint32_t flags = 0)
@@ -362,4 +373,5 @@ ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
     CycleCollectionNoteChild(callback, field.get(), name, flags);
 }
 
+
 #endif
diff --git a/dom/canvas/WebGLProgram.cpp b/dom/canvas/WebGLProgram.cpp
index fa7997f22..9b204358b 100644
--- a/dom/canvas/WebGLProgram.cpp
+++ b/dom/canvas/WebGLProgram.cpp
@@ -17,6 +17,7 @@
 #include "WebGLTransformFeedback.h"
 #include "WebGLUniformLocation.h"
 #include "WebGLValidateStrings.h"
+#include "WebGLObjectModel.h"
 
 namespace mozilla {
 
diff --git a/dom/canvas/WebGLTransformFeedback.cpp b/dom/canvas/WebGLTransformFeedback.cpp
index feec581ea..78e366531 100644
--- a/dom/canvas/WebGLTransformFeedback.cpp
+++ b/dom/canvas/WebGLTransformFeedback.cpp
@@ -8,6 +8,7 @@
 #include "GLContext.h"
 #include "mozilla/dom/WebGL2RenderingContextBinding.h"
 #include "WebGL2Context.h"
+#include "WebGLProgram.h"
 
 namespace mozilla {
 
diff --git a/dom/canvas/moz.build b/dom/canvas/moz.build
index 2b2ceba52..f7555b33d 100644
--- a/dom/canvas/moz.build
+++ b/dom/canvas/moz.build
@@ -25,11 +25,6 @@ EXPORTS += [
     'nsICanvasRenderingContextInternal.h',
 ]
 
-EXPORTS.mozilla.ipc += [
-    'DocumentRendererChild.h',
-    'DocumentRendererParent.h',
-]
-
 EXPORTS.mozilla.dom += [
     'CanvasGradient.h',
     'CanvasPath.h',
@@ -52,8 +47,6 @@ UNIFIED_SOURCES += [
     'CanvasRenderingContext2D.cpp',
     'CanvasRenderingContextHelper.cpp',
     'CanvasUtils.cpp',
-    'DocumentRendererChild.cpp',
-    'DocumentRendererParent.cpp',
     'ImageBitmap.cpp',
     'ImageBitmapColorUtils.cpp',
     'ImageBitmapRenderingContext.cpp',
@@ -162,7 +155,7 @@ SOURCES += [
 ]
 
 # Suppress warnings from third-party code.
-if CONFIG['CLANG_CXX']:
+if CONFIG['CLANG_CXX'] or CONFIG['GNU_CXX']:
     SOURCES['MurmurHash3.cpp'].flags += ['-Wno-implicit-fallthrough']
 
 LOCAL_INCLUDES += [
diff --git a/dom/canvas/test/webgl-mochitest/mochitest.ini b/dom/canvas/test/webgl-mochitest/mochitest.ini
index d5bc8701d..ddd0dd762 100644
--- a/dom/canvas/test/webgl-mochitest/mochitest.ini
+++ b/dom/canvas/test/webgl-mochitest/mochitest.ini
@@ -14,7 +14,7 @@ fail-if = (os == 'android')
 [ensure-exts/test_EXT_color_buffer_half_float.html]
 fail-if = (os == 'android')
 [ensure-exts/test_EXT_disjoint_timer_query.html]
-fail-if = (os == 'android') || (os == 'mac') || (os == 'win' && os_version == '5.1')
+fail-if = 1
 [ensure-exts/test_EXT_frag_depth.html]
 fail-if = (os == 'android')
 [ensure-exts/test_EXT_sRGB.html]
diff --git a/dom/console/Console.cpp b/dom/console/Console.cpp
index 9ede26501..79e3eadc5 100644..100755
--- a/dom/console/Console.cpp
+++ b/dom/console/Console.cpp
@@ -30,6 +30,7 @@
 #include "nsContentUtils.h"
 #include "nsDocShell.h"
 #include "nsProxyRelease.h"
+#include "mozilla/TimerClamping.h"
 #include "mozilla/ConsoleTimelineMarker.h"
 #include "mozilla/TimestampTimelineMarker.h"
 
@@ -1338,7 +1339,7 @@ Console::MethodInternal(JSContext* aCx, MethodName aMethodName,
       TimeDuration duration =
         mozilla::TimeStamp::Now() - workerPrivate->NowBaseTimeStamp();
 
-      monotonicTimer = duration.ToMilliseconds();
+      monotonicTimer = TimerClamping::ReduceMsTimeValue(duration.ToMilliseconds());
     }
   }
 
diff --git a/dom/events/Event.cpp b/dom/events/Event.cpp
index a85a0d66b..2af34136e 100644..100755
--- a/dom/events/Event.cpp
+++ b/dom/events/Event.cpp
@@ -32,6 +32,7 @@
 #include "nsJSEnvironment.h"
 #include "nsLayoutUtils.h"
 #include "nsPIWindowRoot.h"
+#include "mozilla/TimerClamping.h"
 #include "WorkerPrivate.h"
 
 namespace mozilla {
@@ -1085,6 +1086,12 @@ Event::DefaultPrevented(JSContext* aCx) const
 double
 Event::TimeStamp() const
 {
+  return TimerClamping::ReduceMsTimeValue(TimeStampImpl());
+}
+
+double
+Event::TimeStampImpl() const
+{
   if (!sReturnHighResTimeStamp) {
     return static_cast<double>(mEvent->mTime);
   }
diff --git a/dom/events/Event.h b/dom/events/Event.h
index 4ac6a68d5..c28226e8a 100644..100755
--- a/dom/events/Event.h
+++ b/dom/events/Event.h
@@ -62,6 +62,7 @@ private:
   void ConstructorInit(EventTarget* aOwner,
                        nsPresContext* aPresContext,
                        WidgetEvent* aEvent);
+  double TimeStampImpl() const;
 
 public:
   static Event* FromSupports(nsISupports* aSupports)
diff --git a/dom/events/EventListenerManager.cpp b/dom/events/EventListenerManager.cpp
index c8db4f2a1..a8c48ede8 100644
--- a/dom/events/EventListenerManager.cpp
+++ b/dom/events/EventListenerManager.cpp
@@ -996,14 +996,12 @@ EventListenerManager::CompileEventHandlerInternal(Listener* aListener,
   }
   aListener = nullptr;
 
-  uint32_t lineNo = 0;
   nsAutoCString url (NS_LITERAL_CSTRING("-moz-evil:lying-event-listener"));
   MOZ_ASSERT(body);
   MOZ_ASSERT(aElement);
   nsIURI *uri = aElement->OwnerDoc()->GetDocumentURI();
   if (uri) {
     uri->GetSpec(url);
-    lineNo = 1;
   }
 
   nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(mTarget);
@@ -1073,8 +1071,9 @@ EventListenerManager::CompileEventHandlerInternal(Listener* aListener,
     return NS_ERROR_FAILURE;
   }
   JS::CompileOptions options(cx);
+  // Use line 0 to make the function body starts from line 1.
   options.setIntroductionType("eventHandler")
-         .setFileAndLine(url.get(), lineNo)
+         .setFileAndLine(url.get(), 0)
          .setVersion(JSVERSION_DEFAULT)
          .setElement(&v.toObject())
          .setElementAttributeName(jsStr);
diff --git a/dom/events/EventNameList.h b/dom/events/EventNameList.h
index b1be6dd76..ba2427623 100644
--- a/dom/events/EventNameList.h
+++ b/dom/events/EventNameList.h
@@ -674,6 +674,10 @@ DOCUMENT_ONLY_EVENT(selectionchange,
                     eSelectionChange,
                     EventNameType_HTMLXUL,
                     eBasicEventClass)
+DOCUMENT_ONLY_EVENT(visibilitychange,
+                    eVisibilityChange,
+                    EventNameType_HTMLXUL,
+                    eBasicEventClass)
 
 NON_IDL_EVENT(MozMouseHittest,
               eMouseHitTest,
diff --git a/dom/events/EventStateManager.cpp b/dom/events/EventStateManager.cpp
index 659629066..c23cdb575 100644
--- a/dom/events/EventStateManager.cpp
+++ b/dom/events/EventStateManager.cpp
@@ -4151,9 +4151,10 @@ EventStateManager::NotifyMouseOver(WidgetMouseEvent* aMouseEvent,
   // content associated with our subdocument.
   EnsureDocument(mPresContext);
   if (nsIDocument *parentDoc = mDocument->GetParentDocument()) {
-    if (nsIContent *docContent = parentDoc->FindContentForSubDocument(mDocument)) {
+    if (nsCOMPtr<nsIContent> docContent =
+          parentDoc->FindContentForSubDocument(mDocument)) {
       if (nsIPresShell *parentShell = parentDoc->GetShell()) {
-        EventStateManager* parentESM =
+        RefPtr<EventStateManager> parentESM =
           parentShell->GetPresContext()->EventStateManager();
         parentESM->NotifyMouseOver(aMouseEvent, docContent);
       }
diff --git a/dom/events/test/test_eventTimeStamp.html b/dom/events/test/test_eventTimeStamp.html
index a3d096432..107a21f87 100644
--- a/dom/events/test/test_eventTimeStamp.html
+++ b/dom/events/test/test_eventTimeStamp.html
@@ -60,8 +60,8 @@ function testRegularEvents() {
   var timeBeforeEvent = window.performance.now();
   window.addEventListener("load", function(evt) {
     var timeAfterEvent = window.performance.now();
-    ok(evt.timeStamp > timeBeforeEvent &&
-       evt.timeStamp < timeAfterEvent,
+    ok(evt.timeStamp >= timeBeforeEvent &&
+       evt.timeStamp <= timeAfterEvent,
        "Event timestamp (" + evt.timeStamp + ") is in expected range: (" +
          timeBeforeEvent + ", " + timeAfterEvent + ")");
     testWorkerEvents();
@@ -74,11 +74,12 @@ function testWorkerEvents() {
   var worker = new Worker(window.URL.createObjectURL(blob));
   worker.onmessage = function(evt) {
     var timeAfterEvent = window.performance.now();
-    ok(evt.data > timeBeforeEvent &&
-       evt.data < timeAfterEvent,
-       "Event timestamp in dedicated worker (" + evt.data +
-         ") is in expected range: (" +
-         timeBeforeEvent + ", " + timeAfterEvent + ")");
+    // Comparing times across timelines may break now
+    // ok(evt.data >= timeBeforeEvent &&
+    //    evt.data <= timeAfterEvent,
+    //   "Event timestamp in dedicated worker (" + evt.data +
+    //     ") is in expected range: (" +
+    //     timeBeforeEvent + ", " + timeAfterEvent + ")");
     worker.terminate();
     testSharedWorkerEvents();
   };
@@ -97,11 +98,12 @@ function testSharedWorkerEvents() {
     var worker = new SharedWorker(window.URL.createObjectURL(blob));
     worker.port.onmessage = function(evt) {
       var timeAfterEvent = window.performance.now();
-      ok(evt.data > 0 &&
-         evt.data < timeAfterEvent - timeBeforeWorkerCreation,
-         "Event timestamp in shared worker (" + evt.data +
-           ") is in expected range: (0, " +
-           (timeAfterEvent - timeBeforeWorkerCreation) + ")");
+      // Comparing times across timelines may break now
+      // ok(evt.data >= 0 &&
+      //   evt.data <= timeAfterEvent - timeBeforeWorkerCreation,
+      //   "Event timestamp in shared worker (" + evt.data +
+      //     ") is in expected range: (0, " +
+      //     (timeAfterEvent - timeBeforeWorkerCreation) + ")");
       worker.port.close();
       finishTests();
     };
diff --git a/dom/html/HTMLAllCollection.cpp b/dom/html/HTMLAllCollection.cpp
index afa160e0c..6305cce31 100644
--- a/dom/html/HTMLAllCollection.cpp
+++ b/dom/html/HTMLAllCollection.cpp
@@ -8,6 +8,7 @@
 
 #include "mozilla/dom/HTMLAllCollectionBinding.h"
 #include "mozilla/dom/Nullable.h"
+#include "mozilla/dom/Element.h"
 #include "nsHTMLDocument.h"
 
 namespace mozilla {
@@ -86,14 +87,14 @@ IsAllNamedElement(nsIContent* aContent)
 }
 
 static bool
-DocAllResultMatch(nsIContent* aContent, int32_t aNamespaceID, nsIAtom* aAtom,
+DocAllResultMatch(Element* aElement, int32_t aNamespaceID, nsIAtom* aAtom,
                   void* aData)
 {
-  if (aContent->GetID() == aAtom) {
+  if (aElement->GetID() == aAtom) {
     return true;
   }
 
-  nsGenericHTMLElement* elm = nsGenericHTMLElement::FromContent(aContent);
+  nsGenericHTMLElement* elm = nsGenericHTMLElement::FromContent(aElement);
   if (!elm) {
     return false;
   }
diff --git a/dom/html/HTMLDataListElement.cpp b/dom/html/HTMLDataListElement.cpp
index d9ad4da09..5aa772645 100644
--- a/dom/html/HTMLDataListElement.cpp
+++ b/dom/html/HTMLDataListElement.cpp
@@ -35,11 +35,11 @@ NS_INTERFACE_MAP_END_INHERITING(nsGenericHTMLElement)
 NS_IMPL_ELEMENT_CLONE(HTMLDataListElement)
 
 bool
-HTMLDataListElement::MatchOptions(nsIContent* aContent, int32_t aNamespaceID,
+HTMLDataListElement::MatchOptions(Element* aElement, int32_t aNamespaceID,
                                   nsIAtom* aAtom, void* aData)
 {
-  return aContent->NodeInfo()->Equals(nsGkAtoms::option, kNameSpaceID_XHTML) &&
-         !aContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled);
+  return aElement->NodeInfo()->Equals(nsGkAtoms::option, kNameSpaceID_XHTML) &&
+         !aElement->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled);
 }
 
 } // namespace dom
diff --git a/dom/html/HTMLDataListElement.h b/dom/html/HTMLDataListElement.h
index e0aff818b..ba2a2e0b4 100644
--- a/dom/html/HTMLDataListElement.h
+++ b/dom/html/HTMLDataListElement.h
@@ -37,8 +37,8 @@ public:
   virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
 
   // This function is used to generate the nsContentList (option elements).
-  static bool MatchOptions(nsIContent* aContent, int32_t aNamespaceID,
-                             nsIAtom* aAtom, void* aData);
+  static bool MatchOptions(Element* aElement, int32_t aNamespaceID,
+                           nsIAtom* aAtom, void* aData);
 
   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLDataListElement,
                                            nsGenericHTMLElement)
diff --git a/dom/html/HTMLFieldSetElement.cpp b/dom/html/HTMLFieldSetElement.cpp
index 865d3c9cf..d72fd1061 100644
--- a/dom/html/HTMLFieldSetElement.cpp
+++ b/dom/html/HTMLFieldSetElement.cpp
@@ -120,10 +120,10 @@ HTMLFieldSetElement::GetType(nsAString& aType)
 
 /* static */
 bool
-HTMLFieldSetElement::MatchListedElements(nsIContent* aContent, int32_t aNamespaceID,
+HTMLFieldSetElement::MatchListedElements(Element* aElement, int32_t aNamespaceID,
                                          nsIAtom* aAtom, void* aData)
 {
-  nsCOMPtr<nsIFormControl> formControl = do_QueryInterface(aContent);
+  nsCOMPtr<nsIFormControl> formControl = do_QueryInterface(aElement);
   return formControl;
 }
 
diff --git a/dom/html/HTMLFieldSetElement.h b/dom/html/HTMLFieldSetElement.h
index d169434ae..96fff4582 100644
--- a/dom/html/HTMLFieldSetElement.h
+++ b/dom/html/HTMLFieldSetElement.h
@@ -124,8 +124,8 @@ private:
   void NotifyElementsForFirstLegendChange(bool aNotify);
 
   // This function is used to generate the nsContentList (listed form elements).
-  static bool MatchListedElements(nsIContent* aContent, int32_t aNamespaceID,
-                                    nsIAtom* aAtom, void* aData);
+  static bool MatchListedElements(Element* aElement, int32_t aNamespaceID,
+                                  nsIAtom* aAtom, void* aData);
 
   // listed form controls elements.
   RefPtr<nsContentList> mElements;
diff --git a/dom/html/HTMLInputElement.cpp b/dom/html/HTMLInputElement.cpp
index dc755cd02..e8a4af454 100644
--- a/dom/html/HTMLInputElement.cpp
+++ b/dom/html/HTMLInputElement.cpp
@@ -8807,6 +8807,16 @@ HTMLInputElement::GetWebkitEntries(nsTArray<RefPtr<FileSystemEntry>>& aSequence)
   aSequence.AppendElements(mEntries);
 }
 
+already_AddRefed<nsINodeList>
+HTMLInputElement::GetLabels()
+{
+  if (!IsLabelable()) {
+    return nullptr;
+  }
+
+  return nsGenericHTMLElement::Labels();
+}
+
 } // namespace dom
 } // namespace mozilla
 
diff --git a/dom/html/HTMLInputElement.h b/dom/html/HTMLInputElement.h
index e5d670e08..9ca876aee 100644
--- a/dom/html/HTMLInputElement.h
+++ b/dom/html/HTMLInputElement.h
@@ -704,6 +704,8 @@ public:
 
   // XPCOM GetCustomVisibility() is OK
 
+  already_AddRefed<nsINodeList> GetLabels();
+
   // XPCOM Select() is OK
 
   Nullable<int32_t> GetSelectionStart(ErrorResult& aRv);
diff --git a/dom/html/HTMLLabelElement.cpp b/dom/html/HTMLLabelElement.cpp
index c1d22b0a6..d1c037336 100644
--- a/dom/html/HTMLLabelElement.cpp
+++ b/dom/html/HTMLLabelElement.cpp
@@ -14,6 +14,7 @@
 #include "nsFocusManager.h"
 #include "nsIDOMMouseEvent.h"
 #include "nsQueryObject.h"
+#include "mozilla/dom/ShadowRoot.h"
 
 // construction, destruction
 
@@ -268,17 +269,23 @@ HTMLLabelElement::GetLabeledElement() const
     return GetFirstLabelableDescendant();
   }
 
-  // We have a @for. The id has to be linked to an element in the same document
+  // We have a @for. The id has to be linked to an element in the same tree
   // and this element should be a labelable form control.
-  //XXXsmaug It is unclear how this should work in case the element is in
-  //         Shadow DOM.
-  //         See https://www.w3.org/Bugs/Public/show_bug.cgi?id=26365.
-  nsIDocument* doc = GetUncomposedDoc();
-  if (!doc) {
-    return nullptr;
+  nsINode* root = SubtreeRoot();
+  ShadowRoot* shadow = ShadowRoot::FromNode(root);
+  Element* element = nullptr;
+
+  if (shadow) {
+    element = shadow->GetElementById(elementId);
+  } else {
+    nsIDocument* doc = GetUncomposedDoc();
+    if (doc) {
+      element = doc->GetElementById(elementId);
+    } else {
+      element = nsContentUtils::MatchElementId(root->AsContent(), elementId);
+    }
   }
 
-  Element* element = doc->GetElementById(elementId);
   if (element && element->IsLabelable()) {
     return static_cast<nsGenericHTMLElement*>(element);
   }
diff --git a/dom/html/HTMLMediaElement.cpp b/dom/html/HTMLMediaElement.cpp
index e81cd20bc..1f1a545fa 100644
--- a/dom/html/HTMLMediaElement.cpp
+++ b/dom/html/HTMLMediaElement.cpp
@@ -11,7 +11,9 @@
 #include "mozilla/ArrayUtils.h"
 #include "mozilla/MathAlgorithms.h"
 #include "mozilla/AsyncEventDispatcher.h"
+#ifdef MOZ_EME
 #include "mozilla/dom/MediaEncryptedEvent.h"
+#endif
 
 #include "base/basictypes.h"
 #include "nsIDOMHTMLMediaElement.h"
@@ -820,7 +822,9 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLMediaElement, nsGenericHTM
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTextTrackManager)
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mAudioTrackList)
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVideoTrackList)
+#ifdef MOZ_EME
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaKeys)
+#endif
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSelectedVideoStreamTrack)
 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
 
@@ -845,7 +849,9 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLMediaElement, nsGenericHTMLE
   NS_IMPL_CYCLE_COLLECTION_UNLINK(mTextTrackManager)
   NS_IMPL_CYCLE_COLLECTION_UNLINK(mAudioTrackList)
   NS_IMPL_CYCLE_COLLECTION_UNLINK(mVideoTrackList)
+#ifdef MOZ_EME
   NS_IMPL_CYCLE_COLLECTION_UNLINK(mMediaKeys)
+#endif
   NS_IMPL_CYCLE_COLLECTION_UNLINK(mSelectedVideoStreamTrack)
 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
 
@@ -1020,12 +1026,14 @@ void HTMLMediaElement::ShutdownDecoder()
 
 void HTMLMediaElement::AbortExistingLoads()
 {
+#ifdef MOZ_EME
   // If there is no existing decoder then we don't have anything to
   // report. This prevents reporting the initial load from an
   // empty video element as a failed EME load.
   if (mDecoder) {
     ReportEMETelemetry();
   }
+#endif
   // Abort any already-running instance of the resource selection algorithm.
   mLoadWaitStatus = NOT_WAITING;
 
@@ -1084,7 +1092,9 @@ void HTMLMediaElement::AbortExistingLoads()
   mDownloadSuspendedByCache = false;
   mMediaInfo = MediaInfo();
   mIsEncrypted = false;
+#ifdef MOZ_EME
   mPendingEncryptedInitData.mInitDatas.Clear();
+#endif
   mWaitingForKey = NOT_WAITING_FOR_KEY;
   mSourcePointer = nullptr;
 
@@ -2681,9 +2691,11 @@ HTMLMediaElement::CaptureStreamInternal(bool aFinishWhenEnded,
   if (!window) {
     return nullptr;
   }
+#ifdef MOZ_EME
   if (ContainsRestrictedContent()) {
     return nullptr;
   }
+#endif
 
   if (!mOutputStreams.IsEmpty() &&
       aGraph != mOutputStreams[0].mStream->GetInputStream()->Graph()) {
@@ -3638,6 +3650,7 @@ void HTMLMediaElement::HiddenVideoStop()
   mVideoDecodeSuspendTimer = nullptr;
 }
 
+#ifdef MOZ_EME
 void
 HTMLMediaElement::ReportEMETelemetry()
 {
@@ -3649,6 +3662,7 @@ HTMLMediaElement::ReportEMETelemetry()
                        this, mLoadedDataFired ? "true" : "false"));
   }
 }
+#endif
 
 void
 HTMLMediaElement::ReportTelemetry()
@@ -3997,6 +4011,7 @@ nsresult HTMLMediaElement::FinishDecoderSetup(MediaDecoder* aDecoder,
                               ms.mFinishWhenEnded);
   }
 
+#ifdef MOZ_EME
   if (mMediaKeys) {
     if (mMediaKeys->GetCDMProxy()) {
       mDecoder->SetCDMProxy(mMediaKeys->GetCDMProxy());
@@ -4006,6 +4021,7 @@ nsresult HTMLMediaElement::FinishDecoderSetup(MediaDecoder* aDecoder,
       return NS_ERROR_FAILURE;
     }
   }
+#endif
 
   MediaEventSource<void>* waitingForKeyProducer = mDecoder->WaitingForKeyEvent();
   // Not every decoder will produce waitingForKey events, only add ones that can
@@ -4468,7 +4484,11 @@ void HTMLMediaElement::MetadataLoaded(const MediaInfo* aInfo,
 
   SetMediaInfo(*aInfo);
 
-  mIsEncrypted = aInfo->IsEncrypted() || mPendingEncryptedInitData.IsEncrypted();
+  mIsEncrypted = aInfo->IsEncrypted()
+#ifdef MOZ_EME
+                 || mPendingEncryptedInitData.IsEncrypted()
+#endif
+                 ;
   mTags = aTags.forget();
   mLoadedDataFired = false;
   ChangeReadyState(nsIDOMHTMLMediaElement::HAVE_METADATA);
@@ -4494,11 +4514,13 @@ void HTMLMediaElement::MetadataLoaded(const MediaInfo* aInfo,
       return;
     }
 
+#ifdef MOZ_EME
     // Dispatch a distinct 'encrypted' event for each initData we have.
     for (const auto& initData : mPendingEncryptedInitData.mInitDatas) {
       DispatchEncrypted(initData.mInitData, initData.mType);
     }
     mPendingEncryptedInitData.mInitDatas.Clear();
+#endif
   }
 
   mWatchManager.ManualNotify(&HTMLMediaElement::UpdateReadyStateInternal);
@@ -5431,9 +5453,12 @@ void HTMLMediaElement::SuspendOrResumeElement(bool aPauseElement, bool aSuspendE
     UpdateAudioChannelPlayingState();
     if (aPauseElement) {
       ReportTelemetry();
+#ifdef MOZ_EME
       ReportEMETelemetry();
+#endif
 
-      // For EME content, force destruction of the CDM client (and CDM
+#ifdef MOZ_EME
+      // For EME content, we may force destruction of the CDM client (and CDM
       // instance if this is the last client for that CDM instance) and
       // the CDM's decoder. This ensures the CDM gets reliable and prompt
       // shutdown notifications, as it may have book-keeping it needs
@@ -5445,6 +5470,7 @@ void HTMLMediaElement::SuspendOrResumeElement(bool aPauseElement, bool aSuspendE
           ShutdownDecoder();
         }
       }
+#endif
       if (mDecoder) {
         mDecoder->Pause();
         mDecoder->Suspend();
@@ -5495,6 +5521,17 @@ void HTMLMediaElement::NotifyOwnerDocumentActivityChanged()
   bool pauseElement = ShouldElementBePaused();
   SuspendOrResumeElement(pauseElement, !IsActive());
 
+#ifdef MOZ_EME
+  // If the owning document has become inactive we should shutdown the CDM.
+  if (!OwnerDoc()->IsCurrentActiveDocument() && mMediaKeys) {
+      mMediaKeys->Shutdown();
+      mMediaKeys = nullptr;
+      if (mDecoder) {
+        ShutdownDecoder();
+      }
+    }
+#endif
+
   AddRemoveSelfReference();
 }
 
@@ -6270,6 +6307,7 @@ HTMLMediaElement::OnVisibilityChange(Visibility aNewVisibility)
 
 }
 
+#ifdef MOZ_EME
 MediaKeys*
 HTMLMediaElement::GetMediaKeys() const
 {
@@ -6479,6 +6517,7 @@ HTMLMediaElement::GetTopLevelPrincipal()
   principal = doc->NodePrincipal();
   return principal.forget();
 }
+#endif //MOZ_EME
 
 void
 HTMLMediaElement::CannotDecryptWaitingForKey()
diff --git a/dom/html/HTMLMediaElement.h b/dom/html/HTMLMediaElement.h
index d40e9df46..b65049206 100644
--- a/dom/html/HTMLMediaElement.h
+++ b/dom/html/HTMLMediaElement.h
@@ -20,7 +20,9 @@
 #include "mozilla/dom/TextTrackManager.h"
 #include "mozilla/WeakPtr.h"
 #include "MediaDecoder.h"
+#ifdef MOZ_EME
 #include "mozilla/dom/MediaKeys.h"
+#endif
 #include "mozilla/StateWatching.h"
 #include "nsGkAtoms.h"
 #include "PrincipalChangeObserver.h"
@@ -630,6 +632,7 @@ public:
 
   // XPCOM MozPreservesPitch() is OK
 
+#ifdef MOZ_EME
   MediaKeys* GetMediaKeys() const;
 
   already_AddRefed<Promise> SetMediaKeys(MediaKeys* mediaKeys,
@@ -651,6 +654,7 @@ public:
   already_AddRefed<nsIPrincipal> GetTopLevelPrincipal();
 
   bool ContainsRestrictedContent();
+#endif // MOZ_EME
 
   void CannotDecryptWaitingForKey();
 
@@ -1198,7 +1202,9 @@ protected:
    */
   void HiddenVideoStop();
 
+#ifdef MOZ_EME
   void ReportEMETelemetry();
+#endif
 
   void ReportTelemetry();
 
@@ -1471,8 +1477,10 @@ protected:
   // Timer used to simulate video-suspend.
   nsCOMPtr<nsITimer> mVideoDecodeSuspendTimer;
 
+#ifdef MOZ_EME
   // Encrypted Media Extension media keys.
   RefPtr<MediaKeys> mMediaKeys;
+#endif
 
   // Stores the time at the start of the current 'played' range.
   double mCurrentPlayRangeStart;
@@ -1627,8 +1635,10 @@ protected:
   // Listens for waitingForKey events from the owned decoder.
   MediaEventListener mWaitingForKeyListener;
 
+#ifdef MOZ_EME
   // Init Data that needs to be sent in 'encrypted' events in MetadataLoaded().
   EncryptionInfo mPendingEncryptedInitData;
+#endif
 
   // True if the media's channel's download has been suspended.
   Watchable<bool> mDownloadSuspendedByCache;
diff --git a/dom/html/HTMLSelectElement.cpp b/dom/html/HTMLSelectElement.cpp
index 24ddabb65..53f42317a 100644
--- a/dom/html/HTMLSelectElement.cpp
+++ b/dom/html/HTMLSelectElement.cpp
@@ -735,12 +735,12 @@ HTMLSelectElement::SetLength(uint32_t aLength, ErrorResult& aRv)
 
 /* static */
 bool
-HTMLSelectElement::MatchSelectedOptions(nsIContent* aContent,
+HTMLSelectElement::MatchSelectedOptions(Element* aElement,
                                         int32_t /* unused */,
                                         nsIAtom* /* unused */,
                                         void* /* unused*/)
 {
-  HTMLOptionElement* option = HTMLOptionElement::FromContent(aContent);
+  HTMLOptionElement* option = HTMLOptionElement::FromContent(aElement);
   return option && option->Selected();
 }
 
diff --git a/dom/html/HTMLSelectElement.h b/dom/html/HTMLSelectElement.h
index d7e4350b4..8a25385de 100644
--- a/dom/html/HTMLSelectElement.h
+++ b/dom/html/HTMLSelectElement.h
@@ -247,7 +247,7 @@ public:
     mOptions->IndexedSetter(aIndex, aOption, aRv);
   }
 
-  static bool MatchSelectedOptions(nsIContent* aContent, int32_t, nsIAtom*,
+  static bool MatchSelectedOptions(Element* aElement, int32_t, nsIAtom*,
                                    void*);
 
   nsIHTMLCollection* SelectedOptions();
diff --git a/dom/html/HTMLTableRowElement.cpp b/dom/html/HTMLTableRowElement.cpp
index 2dec9c883..ac2463400 100644
--- a/dom/html/HTMLTableRowElement.cpp
+++ b/dom/html/HTMLTableRowElement.cpp
@@ -120,10 +120,10 @@ HTMLTableRowElement::SectionRowIndex() const
 }
 
 static bool
-IsCell(nsIContent *aContent, int32_t aNamespaceID,
+IsCell(Element *aElement, int32_t aNamespaceID,
        nsIAtom* aAtom, void *aData)
 {
-  return aContent->IsAnyOfHTMLElements(nsGkAtoms::td, nsGkAtoms::th);
+  return aElement->IsAnyOfHTMLElements(nsGkAtoms::td, nsGkAtoms::th);
 }
 
 nsIHTMLCollection*
diff --git a/dom/html/nsGenericHTMLElement.cpp b/dom/html/nsGenericHTMLElement.cpp
index d75001a83..2f890325a 100644
--- a/dom/html/nsGenericHTMLElement.cpp
+++ b/dom/html/nsGenericHTMLElement.cpp
@@ -108,6 +108,7 @@
 #include "mozilla/StyleSetHandle.h"
 #include "mozilla/StyleSetHandleInlines.h"
 #include "ReferrerPolicy.h"
+#include "mozilla/dom/HTMLLabelElement.h"
 
 using namespace mozilla;
 using namespace mozilla::dom;
@@ -493,6 +494,14 @@ nsGenericHTMLElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
     }
   }
 
+  // We need to consider a labels element is moved to another subtree
+  // with different root, it needs to update labels list and its root
+  // as well.
+  nsDOMSlots* slots = GetExistingDOMSlots();
+  if (slots && slots->mLabelsList) {
+    slots->mLabelsList->MaybeResetRoot(SubtreeRoot());
+  }
+
   return rv;
 }
 
@@ -513,6 +522,13 @@ nsGenericHTMLElement::UnbindFromTree(bool aDeep, bool aNullParent)
     }
   }
 
+  // We need to consider a labels element is removed from tree,
+  // it needs to update labels list and its root as well.
+  nsDOMSlots* slots = GetExistingDOMSlots();
+  if (slots && slots->mLabelsList) {
+    slots->mLabelsList->MaybeResetRoot(SubtreeRoot());
+  }
+
   nsStyledElement::UnbindFromTree(aDeep, aNullParent);
 }
 
@@ -1701,6 +1717,30 @@ nsGenericHTMLElement::IsLabelable() const
   return IsAnyOfHTMLElements(nsGkAtoms::progress, nsGkAtoms::meter);
 }
 
+/* static */ bool
+nsGenericHTMLElement::MatchLabelsElement(Element* aElement, int32_t aNamespaceID,
+                                         nsIAtom* aAtom, void* aData)
+{
+  HTMLLabelElement* element = HTMLLabelElement::FromContent(aElement);
+  return element && element->GetControl() == aData;
+}
+
+already_AddRefed<nsINodeList>
+nsGenericHTMLElement::Labels()
+{
+  MOZ_ASSERT(IsLabelable(),
+             "Labels() only allow labelable elements to use it.");
+  nsDOMSlots* slots = DOMSlots();
+
+  if (!slots->mLabelsList) {
+    slots->mLabelsList = new nsLabelsNodeList(SubtreeRoot(), MatchLabelsElement,
+                                              nullptr, this);
+  }
+
+  RefPtr<nsLabelsNodeList> labels = slots->mLabelsList;
+  return labels.forget();
+}
+
 bool
 nsGenericHTMLElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const
 {
diff --git a/dom/html/nsGenericHTMLElement.h b/dom/html/nsGenericHTMLElement.h
index 3cca41c3d..0635c27e1 100644
--- a/dom/html/nsGenericHTMLElement.h
+++ b/dom/html/nsGenericHTMLElement.h
@@ -834,6 +834,12 @@ public:
   }
 
   virtual bool IsLabelable() const override;
+
+  static bool MatchLabelsElement(Element* aElement, int32_t aNamespaceID,
+                                 nsIAtom* aAtom, void* aData);
+
+  already_AddRefed<nsINodeList> Labels();
+
   virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;
 
   static bool TouchEventsEnabled(JSContext* /* unused */, JSObject* /* unused */);
diff --git a/dom/html/nsHTMLDocument.cpp b/dom/html/nsHTMLDocument.cpp
index 7d66aab04..be5a34d41 100644
--- a/dom/html/nsHTMLDocument.cpp
+++ b/dom/html/nsHTMLDocument.cpp
@@ -1100,31 +1100,31 @@ nsHTMLDocument::Applets()
 }
 
 bool
-nsHTMLDocument::MatchLinks(nsIContent *aContent, int32_t aNamespaceID,
+nsHTMLDocument::MatchLinks(Element* aElement, int32_t aNamespaceID,
                            nsIAtom* aAtom, void* aData)
 {
-  nsIDocument* doc = aContent->GetUncomposedDoc();
+  nsIDocument* doc = aElement->GetUncomposedDoc();
 
   if (doc) {
-    NS_ASSERTION(aContent->IsInUncomposedDoc(),
+    NS_ASSERTION(aElement->IsInUncomposedDoc(),
                  "This method should never be called on content nodes that "
                  "are not in a document!");
 #ifdef DEBUG
     {
       nsCOMPtr<nsIHTMLDocument> htmldoc =
-        do_QueryInterface(aContent->GetUncomposedDoc());
+        do_QueryInterface(aElement->GetUncomposedDoc());
       NS_ASSERTION(htmldoc,
                    "Huh, how did this happen? This should only be used with "
                    "HTML documents!");
     }
 #endif
 
-    mozilla::dom::NodeInfo *ni = aContent->NodeInfo();
+    mozilla::dom::NodeInfo *ni = aElement->NodeInfo();
 
     nsIAtom *localName = ni->NameAtom();
     if (ni->NamespaceID() == kNameSpaceID_XHTML &&
         (localName == nsGkAtoms::a || localName == nsGkAtoms::area)) {
-      return aContent->HasAttr(kNameSpaceID_None, nsGkAtoms::href);
+      return aElement->HasAttr(kNameSpaceID_None, nsGkAtoms::href);
     }
   }
 
@@ -1148,24 +1148,24 @@ nsHTMLDocument::Links()
 }
 
 bool
-nsHTMLDocument::MatchAnchors(nsIContent *aContent, int32_t aNamespaceID,
+nsHTMLDocument::MatchAnchors(Element* aElement, int32_t aNamespaceID,
                              nsIAtom* aAtom, void* aData)
 {
-  NS_ASSERTION(aContent->IsInUncomposedDoc(),
+  NS_ASSERTION(aElement->IsInUncomposedDoc(),
                "This method should never be called on content nodes that "
                "are not in a document!");
 #ifdef DEBUG
   {
     nsCOMPtr<nsIHTMLDocument> htmldoc =
-      do_QueryInterface(aContent->GetUncomposedDoc());
+      do_QueryInterface(aElement->GetUncomposedDoc());
     NS_ASSERTION(htmldoc,
                  "Huh, how did this happen? This should only be used with "
                  "HTML documents!");
   }
 #endif
 
-  if (aContent->NodeInfo()->Equals(nsGkAtoms::a, kNameSpaceID_XHTML)) {
-    return aContent->HasAttr(kNameSpaceID_None, nsGkAtoms::name);
+  if (aElement->IsHTMLElement(nsGkAtoms::a)) {
+    return aElement->HasAttr(kNameSpaceID_None, nsGkAtoms::name);
   }
 
   return false;
@@ -1536,6 +1536,18 @@ nsHTMLDocument::Open(JSContext* cx,
         nsCOMPtr<nsIDocument> ret = this;
         return ret.forget();
       }
+
+      // Now double-check that our invariants still hold.
+      if (!mScriptGlobalObject) {
+        nsCOMPtr<nsIDocument> ret = this;
+        return ret.forget();
+      }
+
+      nsPIDOMWindowOuter* outer = GetWindow();
+      if (!outer || (GetInnerWindow() != outer->GetCurrentInnerWindow())) {
+        nsCOMPtr<nsIDocument> ret = this;
+        return ret.forget();
+      }
     }
 
     nsCOMPtr<nsIWebNavigation> webnav(do_QueryInterface(shell));
@@ -1952,14 +1964,14 @@ nsHTMLDocument::Writeln(JSContext* cx, const Sequence<nsString>& aText,
 }
 
 bool
-nsHTMLDocument::MatchNameAttribute(nsIContent* aContent, int32_t aNamespaceID,
+nsHTMLDocument::MatchNameAttribute(Element* aElement, int32_t aNamespaceID,
                                    nsIAtom* aAtom, void* aData)
 {
-  NS_PRECONDITION(aContent, "Must have content node to work with!");
+  NS_PRECONDITION(aElement, "Must have element to work with!");
   nsString* elementName = static_cast<nsString*>(aData);
   return
-    aContent->GetNameSpaceID() == kNameSpaceID_XHTML &&
-    aContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::name,
+    aElement->GetNameSpaceID() == kNameSpaceID_XHTML &&
+    aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::name,
                           *elementName, eCaseMatters);
 }
 
@@ -2279,10 +2291,10 @@ nsHTMLDocument::GetForms()
   return mForms;
 }
 
-static bool MatchFormControls(nsIContent* aContent, int32_t aNamespaceID,
-                                nsIAtom* aAtom, void* aData)
+static bool MatchFormControls(Element* aElement, int32_t aNamespaceID,
+                              nsIAtom* aAtom, void* aData)
 {
-  return aContent->IsNodeOfType(nsIContent::eHTML_FORM_CONTROL);
+  return aElement->IsNodeOfType(nsIContent::eHTML_FORM_CONTROL);
 }
 
 nsContentList*
diff --git a/dom/html/nsHTMLDocument.h b/dom/html/nsHTMLDocument.h
index 2dbbf2b57..426ebddc5 100644
--- a/dom/html/nsHTMLDocument.h
+++ b/dom/html/nsHTMLDocument.h
@@ -261,12 +261,13 @@ protected:
 
   nsIContent *MatchId(nsIContent *aContent, const nsAString& aId);
 
-  static bool MatchLinks(nsIContent *aContent, int32_t aNamespaceID,
+  static bool MatchLinks(mozilla::dom::Element* aElement, int32_t aNamespaceID,
+                         nsIAtom* aAtom, void* aData);
+  static bool MatchAnchors(mozilla::dom::Element* aElement, int32_t aNamespaceID,
                            nsIAtom* aAtom, void* aData);
-  static bool MatchAnchors(nsIContent *aContent, int32_t aNamespaceID,
-                             nsIAtom* aAtom, void* aData);
-  static bool MatchNameAttribute(nsIContent* aContent, int32_t aNamespaceID,
-                                   nsIAtom* aAtom, void* aData);
+  static bool MatchNameAttribute(mozilla::dom::Element* aElement,
+                                 int32_t aNamespaceID,
+                                 nsIAtom* aAtom, void* aData);
   static void* UseExistingNameString(nsINode* aRootNode, const nsString* aName);
 
   static void DocumentWriteTerminationFunc(nsISupports *aRef);
diff --git a/dom/html/test/forms/test_button_attributes_reflection.html b/dom/html/test/forms/test_button_attributes_reflection.html
index 26858e939..4e702b3ac 100644
--- a/dom/html/test/forms/test_button_attributes_reflection.html
+++ b/dom/html/test/forms/test_button_attributes_reflection.html
@@ -128,9 +128,12 @@ is(typeof(document.createElement("button").setCustomValidity), "function",
    "button.setCustomValidity should be a function");
 
 // .labels
-todo("labels" in document.createElement("button"),
-     "button.labels isn't implemented yet");
-
+ok("labels" in document.createElement("button"),
+   "button.labels should be an IDL attribute of the button element");
+is(typeof(document.createElement("button").labels), "object",
+   "button.labels should be an object");
+ok(document.createElement("button").labels instanceof NodeList,
+   "button.labels sohuld be an instance of NodeList");
 </script>
 </pre>
 </body>
diff --git a/dom/interfaces/security/nsIContentSecurityPolicy.idl b/dom/interfaces/security/nsIContentSecurityPolicy.idl
index ade5b1243..da4297f33 100644
--- a/dom/interfaces/security/nsIContentSecurityPolicy.idl
+++ b/dom/interfaces/security/nsIContentSecurityPolicy.idl
@@ -61,6 +61,7 @@ interface nsIContentSecurityPolicy : nsISerializable
   const unsigned short BLOCK_ALL_MIXED_CONTENT        = 19;
   const unsigned short REQUIRE_SRI_FOR                = 20;
   const unsigned short SANDBOX_DIRECTIVE              = 21;
+  const unsigned short WORKER_SRC_DIRECTIVE           = 22;
 
   /**
    * Accessor method for a read-only string version of the policy at a given
@@ -98,6 +99,11 @@ interface nsIContentSecurityPolicy : nsISerializable
   readonly attribute bool blockAllMixedContent;
 
   /**
+   * Returns whether this policy enforces the frame-ancestors directive.
+   */
+  readonly attribute bool enforcesFrameAncestors;
+
+  /**
    * Obtains the referrer policy (as integer) for this browsing context as
    * specified in CSP.  If there are multiple policies and...
    *  - only one sets a referrer policy: that policy is returned
diff --git a/dom/ipc/ContentProcess.cpp b/dom/ipc/ContentProcess.cpp
index 66125f332..2413d8808 100644
--- a/dom/ipc/ContentProcess.cpp
+++ b/dom/ipc/ContentProcess.cpp
@@ -8,10 +8,6 @@
 
 #include "ContentProcess.h"
 
-#if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
-#include "mozilla/WindowsVersion.h"
-#endif
-
 #if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
 #include <stdlib.h>
 #endif
@@ -33,9 +29,8 @@ static bool
 IsSandboxTempDirRequired()
 {
   // On Windows, a sandbox-writable temp directory is only used
-  // for Vista or later with sandbox pref level >= 1.
-  return (IsVistaOrLater() &&
-    (Preferences::GetInt("security.sandbox.content.level") >= 1));
+  // when sandbox pref level >= 1.
+  return Preferences::GetInt("security.sandbox.content.level") >= 1;
 }
 
 static void
diff --git a/dom/ipc/PBrowser.ipdl b/dom/ipc/PBrowser.ipdl
index 249657c26..9dfccbc5c 100644
--- a/dom/ipc/PBrowser.ipdl
+++ b/dom/ipc/PBrowser.ipdl
@@ -11,7 +11,6 @@ include protocol PContent;
 include protocol PContentBridge;
 include protocol PDatePicker;
 include protocol PDocAccessible;
-include protocol PDocumentRenderer;
 include protocol PFilePicker;
 include protocol PIndexedDBPermissionRequest;
 include protocol PRenderFrame;
@@ -119,7 +118,6 @@ nested(upto inside_cpow) sync protocol PBrowser
     manages PColorPicker;
     manages PDatePicker;
     manages PDocAccessible;
-    manages PDocumentRenderer;
     manages PFilePicker;
     manages PIndexedDBPermissionRequest;
     manages PRenderFrame;
@@ -739,24 +737,6 @@ child:
     async LoadRemoteScript(nsString aURL, bool aRunInGlobalScope);
 
     /**
-     * Create a asynchronous request to render whatever document is
-     * loaded in the child when this message arrives.  When the
-     * request finishes, PDocumentRenderer:__delete__ is sent back to
-     * this side to notify completion.
-     *
-     * |documentRect| is the area of the remote document to draw,
-     * transformed by |transform|.  The rendered area will have the
-     * default background color |bgcolor|.  |renderFlags| are the
-     * nsIPresShell::RenderDocument() flags to use on the remote side,
-     * and if true, |flushLayout| will do just that before rendering
-     * the document.  The rendered image will be of size |renderSize|.
-     */
-    async PDocumentRenderer(nsRect documentRect, Matrix transform,
-                            nsString bgcolor,
-                            uint32_t renderFlags, bool flushLayout,
-                            IntSize renderSize);
-
-    /**
      * Sent by the chrome process when it no longer wants this remote
      * <browser>.  The child side cleans up in response, then
      * finalizing its death by sending back __delete__() to the
diff --git a/dom/ipc/PDocumentRenderer.ipdl b/dom/ipc/PDocumentRenderer.ipdl
deleted file mode 100644
index bdaed45d7..000000000
--- a/dom/ipc/PDocumentRenderer.ipdl
+++ /dev/null
@@ -1,25 +0,0 @@
-/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-include protocol PBrowser;
-
-include "mozilla/GfxMessageUtils.h";
-
-using nsIntSize from "nsSize.h";
-
-namespace mozilla {
-namespace ipc {
-
-protocol PDocumentRenderer
-{
-  manager PBrowser;
-
-parent:
-    // Returns the width and height, in pixels, of the returned ARGB32 data.
-    async __delete__(nsIntSize renderedSize, nsCString data);
-};
-
-} // namespace ipc
-} // namespace mozilla
diff --git a/dom/ipc/TabChild.cpp b/dom/ipc/TabChild.cpp
index eaf4a32ed..f46a917d5 100644
--- a/dom/ipc/TabChild.cpp
+++ b/dom/ipc/TabChild.cpp
@@ -22,7 +22,6 @@
 #include "mozilla/dom/indexedDB/PIndexedDBPermissionRequestChild.h"
 #include "mozilla/plugins/PluginWidgetChild.h"
 #include "mozilla/IMEStateManager.h"
-#include "mozilla/ipc/DocumentRendererChild.h"
 #include "mozilla/ipc/URIUtils.h"
 #include "mozilla/layers/APZChild.h"
 #include "mozilla/layers/APZCCallbackHelper.h"
@@ -2006,57 +2005,6 @@ TabChild::DeallocPDocAccessibleChild(a11y::PDocAccessibleChild* aChild)
   return true;
 }
 
-PDocumentRendererChild*
-TabChild::AllocPDocumentRendererChild(const nsRect& documentRect,
-                                      const mozilla::gfx::Matrix& transform,
-                                      const nsString& bgcolor,
-                                      const uint32_t& renderFlags,
-                                      const bool& flushLayout,
-                                      const nsIntSize& renderSize)
-{
-    return new DocumentRendererChild();
-}
-
-bool
-TabChild::DeallocPDocumentRendererChild(PDocumentRendererChild* actor)
-{
-    delete actor;
-    return true;
-}
-
-bool
-TabChild::RecvPDocumentRendererConstructor(PDocumentRendererChild* actor,
-                                           const nsRect& documentRect,
-                                           const mozilla::gfx::Matrix& transform,
-                                           const nsString& bgcolor,
-                                           const uint32_t& renderFlags,
-                                           const bool& flushLayout,
-                                           const nsIntSize& renderSize)
-{
-    DocumentRendererChild *render = static_cast<DocumentRendererChild *>(actor);
-
-    nsCOMPtr<nsIWebBrowser> browser = do_QueryInterface(WebNavigation());
-    if (!browser)
-        return true; // silently ignore
-    nsCOMPtr<mozIDOMWindowProxy> window;
-    if (NS_FAILED(browser->GetContentDOMWindow(getter_AddRefs(window))) ||
-        !window)
-    {
-        return true; // silently ignore
-    }
-
-    nsCString data;
-    bool ret = render->RenderDocument(nsPIDOMWindowOuter::From(window),
-                                      documentRect, transform,
-                                      bgcolor,
-                                      renderFlags, flushLayout,
-                                      renderSize, data);
-    if (!ret)
-        return true; // silently ignore
-
-    return PDocumentRendererChild::Send__delete__(actor, renderSize, data);
-}
-
 PColorPickerChild*
 TabChild::AllocPColorPickerChild(const nsString&, const nsString&)
 {
diff --git a/dom/ipc/TabChild.h b/dom/ipc/TabChild.h
index b23c7c19e..2232ffeaf 100644
--- a/dom/ipc/TabChild.h
+++ b/dom/ipc/TabChild.h
@@ -445,27 +445,6 @@ public:
 
   virtual bool DeallocPDocAccessibleChild(PDocAccessibleChild*) override;
 
-  virtual PDocumentRendererChild*
-  AllocPDocumentRendererChild(const nsRect& aDocumentRect,
-                              const gfx::Matrix& aTransform,
-                              const nsString& aBggcolor,
-                              const uint32_t& aRenderFlags,
-                              const bool& aFlushLayout,
-                              const nsIntSize& arenderSize) override;
-
-  virtual bool
-  DeallocPDocumentRendererChild(PDocumentRendererChild* aCctor) override;
-
-  virtual bool
-  RecvPDocumentRendererConstructor(PDocumentRendererChild* aActor,
-                                   const nsRect& aDocumentRect,
-                                   const gfx::Matrix& aTransform,
-                                   const nsString& aBgcolor,
-                                   const uint32_t& aRenderFlags,
-                                   const bool& aFlushLayout,
-                                   const nsIntSize& aRenderSize) override;
-
-
   virtual PColorPickerChild*
   AllocPColorPickerChild(const nsString& aTitle,
                          const nsString& aInitialColor) override;
diff --git a/dom/ipc/TabParent.cpp b/dom/ipc/TabParent.cpp
index 0df4c1253..8e98de3ce 100644
--- a/dom/ipc/TabParent.cpp
+++ b/dom/ipc/TabParent.cpp
@@ -28,7 +28,6 @@
 #include "mozilla/gfx/GPUProcessManager.h"
 #include "mozilla/Hal.h"
 #include "mozilla/IMEStateManager.h"
-#include "mozilla/ipc/DocumentRendererParent.h"
 #include "mozilla/jsipc/CrossProcessObjectWrappers.h"
 #include "mozilla/layers/AsyncDragMetrics.h"
 #include "mozilla/layers/InputAPZContext.h"
@@ -957,24 +956,6 @@ TabParent::GetTopLevelDocAccessible() const
   return nullptr;
 }
 
-PDocumentRendererParent*
-TabParent::AllocPDocumentRendererParent(const nsRect& documentRect,
-                                        const gfx::Matrix& transform,
-                                        const nsString& bgcolor,
-                                        const uint32_t& renderFlags,
-                                        const bool& flushLayout,
-                                        const nsIntSize& renderSize)
-{
-    return new DocumentRendererParent();
-}
-
-bool
-TabParent::DeallocPDocumentRendererParent(PDocumentRendererParent* actor)
-{
-    delete actor;
-    return true;
-}
-
 PFilePickerParent*
 TabParent::AllocPFilePickerParent(const nsString& aTitle, const int16_t& aMode)
 {
diff --git a/dom/ipc/TabParent.h b/dom/ipc/TabParent.h
index 43afb0538..09bb999f3 100644
--- a/dom/ipc/TabParent.h
+++ b/dom/ipc/TabParent.h
@@ -473,17 +473,6 @@ public:
                      const ScrollableLayerGuid& aGuid,
                      uint64_t aInputBlockId);
 
-  virtual PDocumentRendererParent*
-  AllocPDocumentRendererParent(const nsRect& documentRect,
-                               const gfx::Matrix& transform,
-                               const nsString& bgcolor,
-                               const uint32_t& renderFlags,
-                               const bool& flushLayout,
-                               const nsIntSize& renderSize) override;
-
-  virtual bool
-  DeallocPDocumentRendererParent(PDocumentRendererParent* actor) override;
-
   virtual PFilePickerParent*
   AllocPFilePickerParent(const nsString& aTitle,
                          const int16_t& aMode) override;
diff --git a/dom/ipc/moz.build b/dom/ipc/moz.build
index 153bd3aae..ff3880bc2 100644
--- a/dom/ipc/moz.build
+++ b/dom/ipc/moz.build
@@ -96,7 +96,6 @@ IPDL_SOURCES += [
     'PCrashReporter.ipdl',
     'PCycleCollectWithLogs.ipdl',
     'PDatePicker.ipdl',
-    'PDocumentRenderer.ipdl',
     'PFilePicker.ipdl',
     'PMemoryReportRequest.ipdl',
     'PPluginWidget.ipdl',
diff --git a/dom/locales/en-US/chrome/security/csp.properties b/dom/locales/en-US/chrome/security/csp.properties
index fc7fc04ba..4c4054cee 100644
--- a/dom/locales/en-US/chrome/security/csp.properties
+++ b/dom/locales/en-US/chrome/security/csp.properties
@@ -91,6 +91,10 @@ ignoringReportOnlyDirective = Ignoring sandbox directive when delivered in a rep
 # LOCALIZATION NOTE (deprecatedReferrerDirective):
 # %1$S is the value of the deprecated Referrer Directive.
 deprecatedReferrerDirective = Referrer Directive ‘%1$S’ has been deprecated. Please use the Referrer-Policy header instead.
+# LOCALIZATION NOTE (IgnoringSrcBecauseOfDirective):
+# %1$S is the name of the src that is ignored.
+# %2$S is the name of the directive that causes the src to be ignored.
+IgnoringSrcBecauseOfDirective=Ignoring ‘%1$S’ because of ‘%2$S’ directive.
 
 # CSP Errors:
 # LOCALIZATION NOTE (couldntParseInvalidSource):
@@ -108,9 +112,10 @@ couldntParsePort = Couldn’t parse port in %1$S
 # LOCALIZATION NOTE (duplicateDirective):
 # %1$S is the name of the duplicate directive
 duplicateDirective = Duplicate %1$S directives detected.  All but the first instance will be ignored.
-# LOCALIZATION NOTE (deprecatedDirective):
-# %1$S is the name of the deprecated directive, %2$S is the name of the replacement.
-deprecatedDirective = Directive ‘%1$S’ has been deprecated. Please use directive ‘%2$S’ instead.
+# LOCALIZATION NOTE (deprecatedChildSrcDirective):
+# %1$S is the value of the deprecated directive.
+# Do not localize: worker-src, frame-src
+deprecatedChildSrcDirective = Directive ‘%1$S’ has been deprecated. Please use directive ‘worker-src’ to control workers, or directive ‘frame-src’ to control frames respectively.
 # LOCALIZATION NOTE (couldntParseInvalidSandboxFlag):
 # %1$S is the option that could not be understood
 couldntParseInvalidSandboxFlag = Couldn’t parse invalid sandbox flag ‘%1$S’
diff --git a/dom/media/DOMMediaStream.cpp b/dom/media/DOMMediaStream.cpp
index 6794ee32f..c1d451035 100644..100755
--- a/dom/media/DOMMediaStream.cpp
+++ b/dom/media/DOMMediaStream.cpp
@@ -9,6 +9,7 @@
 #include "nsIScriptError.h"
 #include "nsIUUIDGenerator.h"
 #include "nsPIDOMWindow.h"
+#include "mozilla/TimerClamping.h"
 #include "mozilla/dom/MediaStreamBinding.h"
 #include "mozilla/dom/MediaStreamTrackEvent.h"
 #include "mozilla/dom/LocalMediaStreamBinding.h"
@@ -544,8 +545,8 @@ DOMMediaStream::CurrentTime()
   if (!mPlaybackStream) {
     return 0.0;
   }
-  return mPlaybackStream->
-    StreamTimeToSeconds(mPlaybackStream->GetCurrentTime() - mLogicalStreamStartTime);
+  return TimerClamping::ReduceSTimeValue(mPlaybackStream->
+    StreamTimeToSeconds(mPlaybackStream->GetCurrentTime() - mLogicalStreamStartTime));
 }
 
 void
diff --git a/dom/media/DecoderDoctorDiagnostics.cpp b/dom/media/DecoderDoctorDiagnostics.cpp
index 91c2d8dfb..778e8c4c5 100644
--- a/dom/media/DecoderDoctorDiagnostics.cpp
+++ b/dom/media/DecoderDoctorDiagnostics.cpp
@@ -576,16 +576,9 @@ DecoderDoctorDocumentWatcher::SynthesizeAnalysis()
       // going through expected decoders from most to least desirable.
 #if defined(XP_WIN)
       if (!formatsRequiringWMF.IsEmpty()) {
-        if (IsVistaOrLater()) {
-          DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media because WMF was not found",
-                  this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
-          ReportAnalysis(mDocument, sMediaWMFNeeded, false, formatsRequiringWMF);
-        } else {
-          DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media before Windows Vista",
-                  this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
-          ReportAnalysis(mDocument, sMediaUnsupportedBeforeWindowsVista,
-                         false, formatsRequiringWMF);
-        }
+        DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media because WMF was not found",
+                this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
+        ReportAnalysis(mDocument, sMediaWMFNeeded, false, formatsRequiringWMF);
         return;
       }
 #endif
diff --git a/dom/media/GraphDriver.cpp b/dom/media/GraphDriver.cpp
index 9b74bd58c..40e3b72cf 100644
--- a/dom/media/GraphDriver.cpp
+++ b/dom/media/GraphDriver.cpp
@@ -1055,6 +1055,7 @@ AudioCallbackDriver::StateCallback(cubeb_state aState)
 {
   STREAM_LOG(LogLevel::Debug, ("AudioCallbackDriver State: %d", aState));
   if (aState == CUBEB_STATE_ERROR && mShouldFallbackIfError) {
+    mShouldFallbackIfError = false;
     MonitorAutoLock lock(GraphImpl()->GetMonitor());
     // Fall back to a driver using a normal thread. If needed,
     // the graph will try to re-open an audio stream later.
diff --git a/dom/media/MediaData.cpp b/dom/media/MediaData.cpp
index 0439a7473..4a52c22ae 100644
--- a/dom/media/MediaData.cpp
+++ b/dom/media/MediaData.cpp
@@ -90,7 +90,7 @@ ValidatePlane(const VideoData::YCbCrBuffer::Plane& aPlane)
   return aPlane.mWidth <= PlanarYCbCrImage::MAX_DIMENSION &&
          aPlane.mHeight <= PlanarYCbCrImage::MAX_DIMENSION &&
          aPlane.mWidth * aPlane.mHeight < MAX_VIDEO_WIDTH * MAX_VIDEO_HEIGHT &&
-         aPlane.mStride > 0;
+         aPlane.mStride > 0 && aPlane.mWidth <= aPlane.mStride;
 }
 
 #ifdef MOZ_WIDGET_GONK
diff --git a/dom/media/MediaDecoderOwner.h b/dom/media/MediaDecoderOwner.h
index f884686fb..f993b4324 100644
--- a/dom/media/MediaDecoderOwner.h
+++ b/dom/media/MediaDecoderOwner.h
@@ -143,11 +143,13 @@ public:
   // reference to the decoder to prevent further calls into the decoder.
   virtual void NotifyXPCOMShutdown() = 0;
 
+#ifdef MOZ_EME
   // Dispatches a "encrypted" event to the HTMLMediaElement, with the
   // provided init data. Actual dispatch may be delayed until HAVE_METADATA.
   // Main thread only.
   virtual void DispatchEncrypted(const nsTArray<uint8_t>& aInitData,
                                  const nsAString& aInitDataType) = 0;
+#endif
 };
 
 } // namespace mozilla
diff --git a/dom/media/MediaFormatReader.cpp b/dom/media/MediaFormatReader.cpp
index 2093803ad..06e8b963b 100644
--- a/dom/media/MediaFormatReader.cpp
+++ b/dom/media/MediaFormatReader.cpp
@@ -346,8 +346,12 @@ MediaFormatReader::DecoderFactory::DoCreateDecoder(TrackType aTrack)
   if (!mOwner->mPlatform) {
     mOwner->mPlatform = new PDMFactory();
     if (mOwner->IsEncrypted()) {
+#ifdef MOZ_EME
       MOZ_ASSERT(mOwner->mCDMProxy);
       mOwner->mPlatform->SetCDMProxy(mOwner->mCDMProxy);
+#else
+      return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR, "EME not supported");
+#endif
     }
   }
 
@@ -577,6 +581,7 @@ MediaFormatReader::InitInternal()
   return NS_OK;
 }
 
+#ifdef MOZ_EME
 class DispatchKeyNeededEvent : public Runnable {
 public:
   DispatchKeyNeededEvent(AbstractMediaDecoder* aDecoder,
@@ -602,6 +607,7 @@ private:
   nsTArray<uint8_t> mInitData;
   nsString mInitDataType;
 };
+#endif
 
 void
 MediaFormatReader::SetCDMProxy(CDMProxy* aProxy)
@@ -618,7 +624,11 @@ MediaFormatReader::SetCDMProxy(CDMProxy* aProxy)
 bool
 MediaFormatReader::IsWaitingOnCDMResource() {
   MOZ_ASSERT(OnTaskQueue());
+#ifdef MOZ_EME
   return IsEncrypted() && !mCDMProxy;
+#else
+  return false;
+#endif
 }
 
 RefPtr<MediaDecoderReader::MetadataPromise>
@@ -725,11 +735,13 @@ MediaFormatReader::OnDemuxerInitDone(nsresult)
 
   UniquePtr<EncryptionInfo> crypto = mDemuxer->GetCrypto();
   if (mDecoder && crypto && crypto->IsEncrypted()) {
+#ifdef MOZ_EME
     // Try and dispatch 'encrypted'. Won't go if ready state still HAVE_NOTHING.
     for (uint32_t i = 0; i < crypto->mInitDatas.Length(); i++) {
       NS_DispatchToMainThread(
         new DispatchKeyNeededEvent(mDecoder, crypto->mInitDatas[i].mInitData, crypto->mInitDatas[i].mType));
     }
+#endif
     mInfo.mCrypto = *crypto;
   }
 
diff --git a/dom/media/MediaManager.cpp b/dom/media/MediaManager.cpp
index 96e2c23e0..97a6855d9 100644
--- a/dom/media/MediaManager.cpp
+++ b/dom/media/MediaManager.cpp
@@ -1853,20 +1853,18 @@ MediaManager::GetNonE10sParent()
 MediaManager::StartupInit()
 {
 #ifdef WIN32
-  if (IsVistaOrLater() && !IsWin8OrLater()) {
-    // Bug 1107702 - Older Windows fail in GetAdaptersInfo (and others) if the
-    // first(?) call occurs after the process size is over 2GB (kb/2588507).
-    // Attempt to 'prime' the pump by making a call at startup.
-    unsigned long out_buf_len = sizeof(IP_ADAPTER_INFO);
-    PIP_ADAPTER_INFO pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
-    if (GetAdaptersInfo(pAdapterInfo, &out_buf_len) == ERROR_BUFFER_OVERFLOW) {
-      free(pAdapterInfo);
-      pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
-      GetAdaptersInfo(pAdapterInfo, &out_buf_len);
-    }
-    if (pAdapterInfo) {
-      free(pAdapterInfo);
-    }
+  // Bug 1107702 - Some Windows versions fail in GetAdaptersInfo (and others)
+  // if the first(?) call occurs after the process size is over 2GB (kb/2588507).
+  // Attempt to 'prime' the pump by making a call at startup.
+  unsigned long out_buf_len = sizeof(IP_ADAPTER_INFO);
+  PIP_ADAPTER_INFO pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
+  if (GetAdaptersInfo(pAdapterInfo, &out_buf_len) == ERROR_BUFFER_OVERFLOW) {
+    free(pAdapterInfo);
+    pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
+    GetAdaptersInfo(pAdapterInfo, &out_buf_len);
+  }
+  if (pAdapterInfo) {
+    free(pAdapterInfo);
   }
 #endif
 }
@@ -2130,19 +2128,11 @@ if (privileged) {
       case MediaSourceEnum::Application:
       case MediaSourceEnum::Window:
         // Deny screensharing request if support is disabled, or
-        // the requesting document is not from a host on the whitelist, or
-        // we're on WinXP until proved that it works
+        // the requesting document is not from a host on the whitelist
         if (!Preferences::GetBool(((videoType == MediaSourceEnum::Browser)?
                                    "media.getusermedia.browser.enabled" :
                                    "media.getusermedia.screensharing.enabled"),
                                   false) ||
-#if defined(XP_WIN)
-            (
-              // Allow tab sharing for all platforms including XP
-              (videoType != MediaSourceEnum::Browser) &&
-              !Preferences::GetBool("media.getusermedia.screensharing.allow_on_old_platforms",
-                                    false) && !IsVistaOrLater()) ||
-#endif
             (!privileged && !HostIsHttps(*docURI))) {
           RefPtr<MediaStreamError> error =
               new MediaStreamError(aWindow,
diff --git a/dom/media/MediaPrefs.h b/dom/media/MediaPrefs.h
index 62b8fc47b..b237ecd3d 100644
--- a/dom/media/MediaPrefs.h
+++ b/dom/media/MediaPrefs.h
@@ -156,10 +156,6 @@ private:
   DECL_MEDIA_PREF("media.ogg.flac.enabled",                   FlacInOgg, bool, false);
   DECL_MEDIA_PREF("media.flac.enabled",                       FlacEnabled, bool, true);
 
-#if defined(MOZ_RUST_MP4PARSE) && !defined(RELEASE_OR_BETA)
-  DECL_MEDIA_PREF("media.rust.test_mode",                     RustTestMode, bool, false);
-#endif
-
 public:
   // Manage the singleton:
   static MediaPrefs& GetSingleton();
diff --git a/dom/media/eme/MediaKeySystemAccess.cpp b/dom/media/eme/MediaKeySystemAccess.cpp
index 7007d3a03..4cff464e7 100644
--- a/dom/media/eme/MediaKeySystemAccess.cpp
+++ b/dom/media/eme/MediaKeySystemAccess.cpp
@@ -140,26 +140,12 @@ MediaKeySystemAccess::GetKeySystemStatus(const nsAString& aKeySystem,
         aOutMessage = NS_LITERAL_CSTRING("Adobe EME disabled");
         return MediaKeySystemStatus::Cdm_disabled;
       }
-#ifdef XP_WIN
-      // Win Vista and later only.
-      if (!IsVistaOrLater()) {
-        aOutMessage = NS_LITERAL_CSTRING("Minimum Windows version (Vista) not met for Adobe EME");
-        return MediaKeySystemStatus::Cdm_not_supported;
-      }
-#endif
       return EnsureCDMInstalled(aKeySystem, aOutMessage);
     }
   }
 
   if (IsWidevineKeySystem(aKeySystem)) {
     if (Preferences::GetBool("media.gmp-widevinecdm.visible", false)) {
-#ifdef XP_WIN
-      // Win Vista and later only.
-      if (!IsVistaOrLater()) {
-        aOutMessage = NS_LITERAL_CSTRING("Minimum Windows version (Vista) not met for Widevine EME");
-        return MediaKeySystemStatus::Cdm_not_supported;
-      }
-#endif
       if (!Preferences::GetBool("media.gmp-widevinecdm.enabled", false)) {
         aOutMessage = NS_LITERAL_CSTRING("Widevine EME disabled");
         return MediaKeySystemStatus::Cdm_disabled;
diff --git a/dom/media/fmp4/MP4Decoder.cpp b/dom/media/fmp4/MP4Decoder.cpp
index 4cf07ddbd..fdd6f2c7e 100644
--- a/dom/media/fmp4/MP4Decoder.cpp
+++ b/dom/media/fmp4/MP4Decoder.cpp
@@ -52,14 +52,6 @@ IsWhitelistedH264Codec(const nsAString& aCodec)
     return false;
   }
 
-#ifdef XP_WIN
-  // Disable 4k video on windows vista since it performs poorly.
-  if (!IsWin7OrLater() &&
-      level >= H264_LEVEL_5) {
-    return false;
-  }
-#endif
-
   // Just assume what we can play on all platforms the codecs/formats that
   // WMF can play, since we don't have documentation about what other
   // platforms can play... According to the WMF documentation:
diff --git a/dom/media/gtest/TestGMPCrossOrigin.cpp b/dom/media/gtest/TestGMPCrossOrigin.cpp
index 036282153..33ac98388 100644
--- a/dom/media/gtest/TestGMPCrossOrigin.cpp
+++ b/dom/media/gtest/TestGMPCrossOrigin.cpp
@@ -1521,11 +1521,6 @@ TEST(GeckoMediaPlugins, GMPPluginVoucher) {
 
 #if defined(XP_WIN)
 TEST(GeckoMediaPlugins, GMPOutputProtection) {
-  // Output Protection is not available pre-Vista.
-  if (!IsVistaOrLater()) {
-    return;
-  }
-
   RefPtr<GMPStorageTest> runner = new GMPStorageTest();
   runner->DoTest(&GMPStorageTest::TestOutputProtection);
 }
diff --git a/dom/media/gtest/moz.build b/dom/media/gtest/moz.build
index fc92d5ef3..d5d02bced 100644
--- a/dom/media/gtest/moz.build
+++ b/dom/media/gtest/moz.build
@@ -35,10 +35,6 @@ if CONFIG['MOZ_WEBM_ENCODER']:
         'TestWebMWriter.cpp',
     ]
 
-if CONFIG['MOZ_RUST']:
-    UNIFIED_SOURCES += ['TestRust.cpp',]
-
-
 TEST_HARNESS_FILES.gtest += [
     '../test/gizmo-frag.mp4',
     '../test/gizmo.mp4',
diff --git a/dom/media/mediasource/TrackBuffersManager.cpp b/dom/media/mediasource/TrackBuffersManager.cpp
index 4265aed81..ac6d82411 100644
--- a/dom/media/mediasource/TrackBuffersManager.cpp
+++ b/dom/media/mediasource/TrackBuffersManager.cpp
@@ -58,6 +58,7 @@ AppendStateToStr(SourceBufferAttributes::AppendState aState)
 
 static Atomic<uint32_t> sStreamSourceID(0u);
 
+#ifdef MOZ_EME
 class DispatchKeyNeededEvent : public Runnable {
 public:
   DispatchKeyNeededEvent(AbstractMediaDecoder* aDecoder,
@@ -83,6 +84,7 @@ private:
   nsTArray<uint8_t> mInitData;
   nsString mInitDataType;
 };
+#endif
 
 TrackBuffersManager::TrackBuffersManager(MediaSourceDecoder* aParentDecoder,
                                          const nsACString& aType)
@@ -1097,12 +1099,14 @@ TrackBuffersManager::OnDemuxerInitDone(nsresult)
 
   UniquePtr<EncryptionInfo> crypto = mInputDemuxer->GetCrypto();
   if (crypto && crypto->IsEncrypted()) {
+#ifdef MOZ_EME
     // Try and dispatch 'encrypted'. Won't go if ready state still HAVE_NOTHING.
     for (uint32_t i = 0; i < crypto->mInitDatas.Length(); i++) {
       NS_DispatchToMainThread(
         new DispatchKeyNeededEvent(mParentDecoder, crypto->mInitDatas[i].mInitData,
                                    crypto->mInitDatas[i].mType));
     }
+#endif
     info.mCrypto = *crypto;
     // We clear our crypto init data array, so the MediaFormatReader will
     // not emit an encrypted event for the same init data again.
diff --git a/dom/media/platforms/PDMFactory.cpp b/dom/media/platforms/PDMFactory.cpp
index a72d910f5..c1e58fdc2 100644
--- a/dom/media/platforms/PDMFactory.cpp
+++ b/dom/media/platforms/PDMFactory.cpp
@@ -47,10 +47,6 @@
 #include "MP4Decoder.h"
 #include "mozilla/dom/RemoteVideoDecoder.h"
 
-#ifdef XP_WIN
-#include "mozilla/WindowsVersion.h"
-#endif
-
 #include "mp4_demuxer/H264.h"
 
 namespace mozilla {
@@ -367,16 +363,7 @@ PDMFactory::CreatePDMs()
   }
 #endif
 #ifdef XP_WIN
-  if (MediaPrefs::PDMWMFEnabled() && IsVistaOrLater() && !IsWin7AndPre2000Compatible()) {
-    // *Only* use WMF on Vista and later, as if Firefox is run in Windows 95
-    // compatibility mode on Windows 7 (it does happen!) we may crash trying
-    // to startup WMF. So we need to detect the OS version here, as in
-    // compatibility mode IsVistaOrLater() and friends behave as if we're on
-    // the emulated version of Windows. See bug 1279171.
-    // Additionally, we don't want to start the RemoteDecoderModule if we
-    // expect it's not going to work (i.e. on Windows older than Vista).
-    // IsWin7AndPre2000Compatible() uses GetVersionEx as the user specified OS version can
-    // be reflected when compatibility mode is in effect.
+  if (MediaPrefs::PDMWMFEnabled()) {
     m = new WMFDecoderModule();
     RefPtr<PlatformDecoderModule> remote = new dom::RemoteDecoderModule(m);
     StartupPDM(remote);
diff --git a/dom/media/platforms/wmf/WMF.h b/dom/media/platforms/wmf/WMF.h
index 5ede0d361..6988ef083 100644
--- a/dom/media/platforms/wmf/WMF.h
+++ b/dom/media/platforms/wmf/WMF.h
@@ -7,18 +7,6 @@
 #ifndef WMF_H_
 #define WMF_H_
 
-#if WINVER < _WIN32_WINNT_WIN7
-#error \
-You must include WMF.h before including mozilla headers, \
-otherwise mozconfig.h will be included \
-and that sets WINVER to WinXP, \
-which makes Windows Media Foundation unavailable.
-#endif
-
-#pragma push_macro("WINVER")
-#undef WINVER
-#define WINVER _WIN32_WINNT_WIN7
-
 #include <windows.h>
 #include <mfapi.h>
 #include <mfidl.h>
@@ -35,7 +23,7 @@ which makes Windows Media Foundation unavailable.
 #include <codecapi.h>
 
 // The Windows headers helpfully declare min and max macros, which don't
-// compile in the prescence of std::min and std::max and unified builds.
+// compile in the presence of std::min and std::max and unified builds.
 // So undef them here.
 #ifdef min
 #undef min
@@ -97,8 +85,4 @@ HRESULT MFCreateDXGISurfaceBuffer(REFIID riid,
 } // end namespace wmf
 } // end namespace mozilla
 
-
-
-#pragma pop_macro("WINVER")
-
 #endif
diff --git a/dom/media/platforms/wmf/WMFUtils.cpp b/dom/media/platforms/wmf/WMFUtils.cpp
index 8aec8a8af..055012d0f 100644
--- a/dom/media/platforms/wmf/WMFUtils.cpp
+++ b/dom/media/platforms/wmf/WMFUtils.cpp
@@ -205,31 +205,17 @@ LoadDLLs()
 HRESULT
 MFStartup()
 {
-  if (!IsVistaOrLater() || IsWin7AndPre2000Compatible()) {
-    // *Only* use WMF on Vista and later, as if Firefox is run in Windows 95
-    // compatibility mode on Windows 7 (it does happen!) we may crash trying
-    // to startup WMF. So we need to detect the OS version here, as in
-    // compatibility mode IsVistaOrLater() and friends behave as if we're on
-    // the emulated version of Windows. See bug 1279171.
-    // Using GetVersionEx API which takes compatibility mode into account.
-    return E_FAIL;
-  }
-
   HRESULT hr = LoadDLLs();
   if (FAILED(hr)) {
     return hr;
   }
 
-  const int MF_VISTA_VERSION = (0x0001 << 16 | MF_API_VERSION);
   const int MF_WIN7_VERSION = (0x0002 << 16 | MF_API_VERSION);
 
   // decltype is unusable for functions having default parameters
   DECL_FUNCTION_PTR(MFStartup, ULONG, DWORD);
   ENSURE_FUNCTION_PTR_(MFStartup, Mfplat.dll)
-  if (!IsWin7OrLater())
-    return MFStartupPtr(MF_VISTA_VERSION, MFSTARTUP_FULL);
-  else
-    return MFStartupPtr(MF_WIN7_VERSION, MFSTARTUP_FULL);
+  return MFStartupPtr(MF_WIN7_VERSION, MFSTARTUP_FULL);
 }
 
 HRESULT
diff --git a/dom/media/test/test_background_video_suspend.html b/dom/media/test/test_background_video_suspend.html
index e872eacf8..a5ac5cc2c 100644..100755
--- a/dom/media/test/test_background_video_suspend.html
+++ b/dom/media/test/test_background_video_suspend.html
@@ -15,7 +15,7 @@ var MIN_DELAY = 100;
 function testDelay(v, start, min) {
   let end = performance.now();
   let delay = end - start;
-  ok(delay > min, `${v.token} suspended with a delay of ${delay} ms`);
+  ok(delay >= min, `${v.token} suspended with a delay of ${delay} ms`);
 }
 
 startTest({
@@ -25,7 +25,7 @@ startTest({
     [ "media.suspend-bkgnd-video.enabled", true ],
     // User a short delay to ensure video decode suspend happens before end
     // of video.
-    [ "media.suspend-bkgnd-video.delay-ms", MIN_DELAY ]
+    [ "media.suspend-bkgnd-video.delay-ms", MIN_DELAY ],
   ],
   tests: gDecodeSuspendTests,
   runTest: (test, token) => {
diff --git a/dom/media/test/test_streams_element_capture.html b/dom/media/test/test_streams_element_capture.html
index 5e30a3ce4..a29eeef4d 100644..100755
--- a/dom/media/test/test_streams_element_capture.html
+++ b/dom/media/test/test_streams_element_capture.html
@@ -38,7 +38,8 @@ function startTest(test) {
   var stream;
 
   var checkEnded = function() {
-    is(stream.currentTime, vout.currentTime, test.name + " stream final currentTime");
+    // We know the video time won't match up to the stream time
+    // is(stream.currentTime, vout.currentTime, test.name + " stream final currentTime");
     if (test.duration) {
       isGreaterThanOrEqualEps(vout.currentTime, test.duration,
          test.name + " current time at end");
diff --git a/dom/media/test/test_streams_element_capture_createObjectURL.html b/dom/media/test/test_streams_element_capture_createObjectURL.html
index d5d7efc5c..d952c7142 100644..100755
--- a/dom/media/test/test_streams_element_capture_createObjectURL.html
+++ b/dom/media/test/test_streams_element_capture_createObjectURL.html
@@ -38,7 +38,8 @@ function startTest(test, token) {
   var stream;
 
   var checkEnded = function() {
-    is(stream.currentTime, vout.currentTime, test.name + " stream final currentTime");
+    // We know the video time won't match up to the stream time
+    // is(stream.currentTime, vout.currentTime, test.name + " stream final currentTime");
     if (test.duration) {
       isGreaterThanOrEqualEps(vout.currentTime, test.duration,
          test.name + " current time at end");
diff --git a/dom/media/webaudio/AudioContext.cpp b/dom/media/webaudio/AudioContext.cpp
index f61226a48..85842c811 100644..100755
--- a/dom/media/webaudio/AudioContext.cpp
+++ b/dom/media/webaudio/AudioContext.cpp
@@ -41,6 +41,7 @@
 #include "nsNetUtil.h"
 #include "nsPIDOMWindow.h"
 #include "nsPrintfCString.h"
+#include "mozilla/TimerClamping.h"
 #include "OscillatorNode.h"
 #include "PannerNode.h"
 #include "PeriodicWave.h"
@@ -379,10 +380,12 @@ AudioContext::CreateMediaElementSource(HTMLMediaElement& aMediaElement,
     return nullptr;
   }
 
+#ifdef MOZ_EME
   if (aMediaElement.ContainsRestrictedContent()) {
     aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
     return nullptr;
   }
+#endif
 
   if (CheckClosed(aRv)) {
     return nullptr;
@@ -744,7 +747,7 @@ double
 AudioContext::CurrentTime() const
 {
   MediaStream* stream = Destination()->Stream();
-  return stream->StreamTimeToSeconds(stream->GetCurrentTime());
+  return TimerClamping::ReduceSTimeValue(stream->StreamTimeToSeconds(stream->GetCurrentTime()));
 }
 
 void
diff --git a/dom/media/webrtc/MediaEngineWebRTC.cpp b/dom/media/webrtc/MediaEngineWebRTC.cpp
index 522f23f61..1a2dc9a04 100644
--- a/dom/media/webrtc/MediaEngineWebRTC.cpp
+++ b/dom/media/webrtc/MediaEngineWebRTC.cpp
@@ -268,11 +268,7 @@ MediaEngineWebRTC::EnumerateVideoDevices(dom::MediaSourceEnum aMediaSource,
 bool
 MediaEngineWebRTC::SupportsDuplex()
 {
-#ifndef XP_WIN
   return mFullDuplex;
-#else
-  return IsVistaOrLater() && mFullDuplex;
-#endif
 }
 
 void
diff --git a/dom/performance/Performance.cpp b/dom/performance/Performance.cpp
index 17273c55d..8dc239b05 100644..100755
--- a/dom/performance/Performance.cpp
+++ b/dom/performance/Performance.cpp
@@ -21,6 +21,7 @@
 #include "mozilla/dom/PerformanceObserverBinding.h"
 #include "mozilla/IntegerPrintfMacros.h"
 #include "mozilla/Preferences.h"
+#include "mozilla/TimerClamping.h"
 #include "WorkerPrivate.h"
 #include "WorkerRunnable.h"
 
@@ -228,9 +229,9 @@ Performance::ClearResourceTimings()
 DOMHighResTimeStamp
 Performance::RoundTime(double aTime) const
 {
-  // Round down to the nearest 20us, because if the timer is too accurate people
+  // Round down to the nearest 2ms, because if the timer is too accurate people
   // can do nasty timing attacks with it.
-  const double maxResolutionMs = 0.020;
+  const double maxResolutionMs = 2;
   return floor(aTime / maxResolutionMs) * maxResolutionMs;
 }
 
diff --git a/dom/performance/PerformanceMainThread.cpp b/dom/performance/PerformanceMainThread.cpp
index b60b68f62..86d42c5f8 100644
--- a/dom/performance/PerformanceMainThread.cpp
+++ b/dom/performance/PerformanceMainThread.cpp
@@ -200,7 +200,7 @@ PerformanceMainThread::IsPerformanceTimingAttribute(const nsAString& aName)
   static const char* attributes[] =
     {"navigationStart", "unloadEventStart", "unloadEventEnd", "redirectStart",
      "redirectEnd", "fetchStart", "domainLookupStart", "domainLookupEnd",
-     "connectStart", "connectEnd", "requestStart", "responseStart",
+     "connectStart", "secureConnectionStart", "connectEnd", "requestStart", "responseStart",
      "responseEnd", "domLoading", "domInteractive",
      "domContentLoadedEventStart", "domContentLoadedEventEnd", "domComplete",
      "loadEventStart", "loadEventEnd", nullptr};
@@ -249,6 +249,9 @@ PerformanceMainThread::GetPerformanceTimingFromString(const nsAString& aProperty
   if (aProperty.EqualsLiteral("connectStart")) {
     return Timing()->ConnectStart();
   }
+  if (aProperty.EqualsLiteral("secureConnectionStart")) {
+    return Timing()->SecureConnectionStart();
+  }
   if (aProperty.EqualsLiteral("connectEnd")) {
     return Timing()->ConnectEnd();
   }
diff --git a/dom/performance/PerformanceResourceTiming.h b/dom/performance/PerformanceResourceTiming.h
index abb653d66..2dd6b4a06 100644
--- a/dom/performance/PerformanceResourceTiming.h
+++ b/dom/performance/PerformanceResourceTiming.h
@@ -128,9 +128,9 @@ public:
 
   DOMHighResTimeStamp SecureConnectionStart() const
   {
-    // This measurement is not available for Navigation Timing either.
-    // There is a different bug submitted for it.
-    return 0;
+    return mTiming && mTiming->TimingAllowed()
+        ? mTiming->SecureConnectionStartHighRes()
+        : 0;
   }
 
   virtual const PerformanceResourceTiming* ToResourceTiming() const override
diff --git a/dom/performance/PerformanceTiming.cpp b/dom/performance/PerformanceTiming.cpp
index 527cf9441..e2f76a21f 100644..100755
--- a/dom/performance/PerformanceTiming.cpp
+++ b/dom/performance/PerformanceTiming.cpp
@@ -21,7 +21,7 @@ PerformanceTiming::PerformanceTiming(Performance* aPerformance,
                                      DOMHighResTimeStamp aZeroTime)
   : mPerformance(aPerformance),
     mFetchStart(0.0),
-    mZeroTime(aZeroTime),
+    mZeroTime(TimerClamping::ReduceMsTimeValue(aZeroTime)),
     mRedirectCount(0),
     mTimingAllowed(true),
     mAllRedirectsSameOrigin(true),
@@ -46,6 +46,23 @@ PerformanceTiming::PerformanceTiming(Performance* aPerformance,
     mReportCrossOriginRedirect = mTimingAllowed && redirectsPassCheck;
   }
 
+  mSecureConnection = false;
+  nsCOMPtr<nsIURI> uri;
+  if (aHttpChannel) {
+    aHttpChannel->GetURI(getter_AddRefs(uri));
+  } else {
+    nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aChannel);
+    if (httpChannel) {
+      httpChannel->GetURI(getter_AddRefs(uri));
+    }
+  }
+
+  if (uri) {
+    nsresult rv = uri->SchemeIs("https", &mSecureConnection);
+    if (NS_FAILED(rv)) {
+      mSecureConnection = false;
+    }
+  }
   InitializeTimingInfo(aChannel);
 }
 
@@ -63,12 +80,41 @@ PerformanceTiming::InitializeTimingInfo(nsITimedChannel* aChannel)
     aChannel->GetDomainLookupStart(&mDomainLookupStart);
     aChannel->GetDomainLookupEnd(&mDomainLookupEnd);
     aChannel->GetConnectStart(&mConnectStart);
+    aChannel->GetSecureConnectionStart(&mSecureConnectionStart);
     aChannel->GetConnectEnd(&mConnectEnd);
     aChannel->GetRequestStart(&mRequestStart);
     aChannel->GetResponseStart(&mResponseStart);
     aChannel->GetCacheReadStart(&mCacheReadStart);
     aChannel->GetResponseEnd(&mResponseEnd);
     aChannel->GetCacheReadEnd(&mCacheReadEnd);
+
+    // the performance timing api essentially requires that the event timestamps
+    // are >= asyncOpen().. but in truth the browser engages in a number of
+    // speculative activities that sometimes mean connections and lookups begin
+    // earlier. Workaround that here by just using asyncOpen as the minimum
+    // timestamp for dns and connection info.
+    if (!mAsyncOpen.IsNull()) {
+      if (!mDomainLookupStart.IsNull() && mDomainLookupStart < mAsyncOpen) {
+        mDomainLookupStart = mAsyncOpen;
+      }
+
+      if (!mDomainLookupEnd.IsNull() && mDomainLookupEnd < mAsyncOpen) {
+        mDomainLookupEnd = mAsyncOpen;
+      }
+
+      if (!mConnectStart.IsNull() && mConnectStart < mAsyncOpen) {
+        mConnectStart = mAsyncOpen;
+      }
+
+      if (mSecureConnection && !mSecureConnectionStart.IsNull() &&
+          mSecureConnectionStart < mAsyncOpen) {
+        mSecureConnectionStart = mAsyncOpen;
+      }
+
+      if (!mConnectEnd.IsNull() && mConnectEnd < mAsyncOpen) {
+        mConnectEnd = mAsyncOpen;
+      }
+    }
   }
 }
 
@@ -89,7 +135,7 @@ PerformanceTiming::FetchStartHighRes()
         ? TimeStampToDOMHighRes(mAsyncOpen)
         : 0.0;
   }
-  return mFetchStart;
+  return TimerClamping::ReduceMsTimeValue(mFetchStart);
 }
 
 DOMTimeMilliSec
@@ -175,7 +221,7 @@ PerformanceTiming::RedirectStartHighRes()
   if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
     return mZeroTime;
   }
-  return TimeStampToDOMHighResOrFetchStart(mRedirectStart);
+  return TimeStampToReducedDOMHighResOrFetchStart(mRedirectStart);
 }
 
 DOMTimeMilliSec
@@ -208,7 +254,7 @@ PerformanceTiming::RedirectEndHighRes()
   if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
     return mZeroTime;
   }
-  return TimeStampToDOMHighResOrFetchStart(mRedirectEnd);
+  return TimeStampToReducedDOMHighResOrFetchStart(mRedirectEnd);
 }
 
 DOMTimeMilliSec
@@ -231,7 +277,7 @@ PerformanceTiming::DomainLookupStartHighRes()
   if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
     return mZeroTime;
   }
-  return TimeStampToDOMHighResOrFetchStart(mDomainLookupStart);
+  return TimeStampToReducedDOMHighResOrFetchStart(mDomainLookupStart);
 }
 
 DOMTimeMilliSec
@@ -248,7 +294,7 @@ PerformanceTiming::DomainLookupEndHighRes()
   }
   // Bug 1155008 - nsHttpTransaction is racy. Return DomainLookupStart when null
   return mDomainLookupEnd.IsNull() ? DomainLookupStartHighRes()
-                                   : TimeStampToDOMHighRes(mDomainLookupEnd);
+                                   : TimerClamping::ReduceMsTimeValue(TimeStampToDOMHighRes(mDomainLookupEnd));
 }
 
 DOMTimeMilliSec
@@ -264,7 +310,7 @@ PerformanceTiming::ConnectStartHighRes()
     return mZeroTime;
   }
   return mConnectStart.IsNull() ? DomainLookupEndHighRes()
-                                : TimeStampToDOMHighRes(mConnectStart);
+                                : TimerClamping::ReduceMsTimeValue(TimeStampToDOMHighRes(mConnectStart));
 }
 
 DOMTimeMilliSec
@@ -274,6 +320,25 @@ PerformanceTiming::ConnectStart()
 }
 
 DOMHighResTimeStamp
+PerformanceTiming::SecureConnectionStartHighRes()
+{
+  if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
+    return mZeroTime;
+  }
+  return !mSecureConnection
+    ? 0 // We use 0 here, because mZeroTime is sometimes set to the navigation
+        // start time.
+    : (mSecureConnectionStart.IsNull() ? mZeroTime
+                                       : TimerClamping::ReduceMsTimeValue(TimeStampToDOMHighRes(mSecureConnectionStart)));
+}
+
+DOMTimeMilliSec
+PerformanceTiming::SecureConnectionStart()
+{
+  return static_cast<int64_t>(SecureConnectionStartHighRes());
+}
+
+DOMHighResTimeStamp
 PerformanceTiming::ConnectEndHighRes()
 {
   if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
@@ -281,7 +346,7 @@ PerformanceTiming::ConnectEndHighRes()
   }
   // Bug 1155008 - nsHttpTransaction is racy. Return ConnectStart when null
   return mConnectEnd.IsNull() ? ConnectStartHighRes()
-                              : TimeStampToDOMHighRes(mConnectEnd);
+                              : TimerClamping::ReduceMsTimeValue(TimeStampToDOMHighRes(mConnectEnd));
 }
 
 DOMTimeMilliSec
@@ -296,7 +361,7 @@ PerformanceTiming::RequestStartHighRes()
   if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
     return mZeroTime;
   }
-  return TimeStampToDOMHighResOrFetchStart(mRequestStart);
+  return TimeStampToReducedDOMHighResOrFetchStart(mRequestStart);
 }
 
 DOMTimeMilliSec
@@ -315,7 +380,7 @@ PerformanceTiming::ResponseStartHighRes()
      (!mCacheReadStart.IsNull() && mCacheReadStart < mResponseStart)) {
     mResponseStart = mCacheReadStart;
   }
-  return TimeStampToDOMHighResOrFetchStart(mResponseStart);
+  return TimeStampToReducedDOMHighResOrFetchStart(mResponseStart);
 }
 
 DOMTimeMilliSec
@@ -336,7 +401,7 @@ PerformanceTiming::ResponseEndHighRes()
   }
   // Bug 1155008 - nsHttpTransaction is racy. Return ResponseStart when null
   return mResponseEnd.IsNull() ? ResponseStartHighRes()
-                               : TimeStampToDOMHighRes(mResponseEnd);
+                               : TimerClamping::ReduceMsTimeValue(TimeStampToDOMHighRes(mResponseEnd));
 }
 
 DOMTimeMilliSec
diff --git a/dom/performance/PerformanceTiming.h b/dom/performance/PerformanceTiming.h
index aef54a258..fc7e7d5bd 100644..100755
--- a/dom/performance/PerformanceTiming.h
+++ b/dom/performance/PerformanceTiming.h
@@ -10,6 +10,7 @@
 #include "mozilla/Attributes.h"
 #include "nsContentUtils.h"
 #include "nsDOMNavigationTiming.h"
+#include "mozilla/TimerClamping.h"
 #include "nsWrapperCache.h"
 #include "Performance.h"
 
@@ -68,10 +69,10 @@ public:
    *          page), if the given TimeStamp is valid. Otherwise, it will return
    *          the FetchStart timing value.
    */
-  inline DOMHighResTimeStamp TimeStampToDOMHighResOrFetchStart(TimeStamp aStamp)
+  inline DOMHighResTimeStamp TimeStampToReducedDOMHighResOrFetchStart(TimeStamp aStamp)
   {
     return (!aStamp.IsNull())
-        ? TimeStampToDOMHighRes(aStamp)
+        ? TimerClamping::ReduceMsTimeValue(TimeStampToDOMHighRes(aStamp))
         : FetchStartHighRes();
   }
 
@@ -119,7 +120,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetNavigationStart();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetNavigationStart());
   }
 
   DOMTimeMilliSec UnloadEventStart()
@@ -127,7 +128,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetUnloadEventStart();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetUnloadEventStart());
   }
 
   DOMTimeMilliSec UnloadEventEnd()
@@ -135,7 +136,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetUnloadEventEnd();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetUnloadEventEnd());
   }
 
   uint16_t GetRedirectCount() const;
@@ -161,6 +162,7 @@ public:
   DOMHighResTimeStamp DomainLookupStartHighRes();
   DOMHighResTimeStamp DomainLookupEndHighRes();
   DOMHighResTimeStamp ConnectStartHighRes();
+  DOMHighResTimeStamp SecureConnectionStartHighRes();
   DOMHighResTimeStamp ConnectEndHighRes();
   DOMHighResTimeStamp RequestStartHighRes();
   DOMHighResTimeStamp ResponseStartHighRes();
@@ -173,6 +175,7 @@ public:
   DOMTimeMilliSec DomainLookupStart();
   DOMTimeMilliSec DomainLookupEnd();
   DOMTimeMilliSec ConnectStart();
+  DOMTimeMilliSec SecureConnectionStart();
   DOMTimeMilliSec ConnectEnd();
   DOMTimeMilliSec RequestStart();
   DOMTimeMilliSec ResponseStart();
@@ -183,7 +186,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetDomLoading();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetDomLoading());
   }
 
   DOMTimeMilliSec DomInteractive() const
@@ -191,7 +194,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetDomInteractive();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetDomInteractive());
   }
 
   DOMTimeMilliSec DomContentLoadedEventStart() const
@@ -199,7 +202,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetDomContentLoadedEventStart();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetDomContentLoadedEventStart());
   }
 
   DOMTimeMilliSec DomContentLoadedEventEnd() const
@@ -207,7 +210,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetDomContentLoadedEventEnd();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetDomContentLoadedEventEnd());
   }
 
   DOMTimeMilliSec DomComplete() const
@@ -215,7 +218,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetDomComplete();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetDomComplete());
   }
 
   DOMTimeMilliSec LoadEventStart() const
@@ -223,7 +226,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetLoadEventStart();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetLoadEventStart());
   }
 
   DOMTimeMilliSec LoadEventEnd() const
@@ -231,7 +234,7 @@ public:
     if (!nsContentUtils::IsPerformanceTimingEnabled()) {
       return 0;
     }
-    return GetDOMTiming()->GetLoadEventEnd();
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetLoadEventEnd());
   }
 
 private:
@@ -255,6 +258,7 @@ private:
   TimeStamp mDomainLookupStart;
   TimeStamp mDomainLookupEnd;
   TimeStamp mConnectStart;
+  TimeStamp mSecureConnectionStart;
   TimeStamp mConnectEnd;
   TimeStamp mRequestStart;
   TimeStamp mResponseStart;
@@ -270,6 +274,8 @@ private:
   // redirectEnd attributes. It is false if there were no redirects, or if
   // any of the responses didn't pass the timing-allow-check
   bool mReportCrossOriginRedirect;
+
+  bool mSecureConnection;
 };
 
 } // namespace dom
diff --git a/dom/performance/tests/test_performance_user_timing.js b/dom/performance/tests/test_performance_user_timing.js
index 3d05ebb77..cd8261bbd 100644
--- a/dom/performance/tests/test_performance_user_timing.js
+++ b/dom/performance/tests/test_performance_user_timing.js
@@ -263,7 +263,7 @@ var steps = [
                 performance.measure("test", n);
                 ok(true, "Measure created from reserved name as starting time: " + n);
             } catch (e) {
-                ok(["redirectStart", "redirectEnd", "unloadEventStart", "unloadEventEnd", "loadEventEnd"].indexOf(n) >= 0,
+                ok(["redirectStart", "redirectEnd", "unloadEventStart", "unloadEventEnd", "loadEventEnd", "secureConnectionStart"].indexOf(n) >= 0,
                    "Measure created from reserved name as starting time: " + n + " and threw expected error");
             }
         };
diff --git a/dom/performance/tests/test_worker_performance_now.js b/dom/performance/tests/test_worker_performance_now.js
index c2a905031..dee4efce6 100644
--- a/dom/performance/tests/test_worker_performance_now.js
+++ b/dom/performance/tests/test_worker_performance_now.js
@@ -26,51 +26,5 @@ var n = self.performance.now(), d = Date.now();
 ok(n >= 0, "The value of now() should be equal to or greater than 0.");
 ok(self.performance.now() >= n, "The value of now() should monotonically increase.");
 
-// The spec says performance.now() should have micro-second resolution, but allows 1ms if the platform doesn't support it.
-// Our implementation does provide micro-second resolution, except for windows XP combined with some HW properties
-// where we can't use QueryPerformanceCounters (see comments at mozilla-central/xpcom/ds/TimeStamp_windows.cpp).
-// This XP-low-res case results in about 15ms resolutions, and can be identified when perf.now() returns only integers.
-//
-// Since setTimeout might return too early/late, our goal is that perf.now() changed within 2ms
-// (or 25ms for XP-low-res), rather than specific number of setTimeout(N) invocations.
-// See bug 749894 (intermittent failures of this test)
-var platformPossiblyLowRes;
-workerTestGetOSCPU(function(oscpu) {
-    platformPossiblyLowRes = oscpu.indexOf("Windows NT 5.1") == 0; // XP only
-    setTimeout(checkAfterTimeout, 1);
-});
-var allInts = (n % 1) == 0; // Indicator of limited HW resolution.
-var checks = 0;
+workerTestDone();
 
-function checkAfterTimeout() {
-  checks++;
-  var d2 = Date.now();
-  var n2 = self.performance.now();
-
-  allInts = allInts && (n2 % 1) == 0;
-  var lowResCounter = platformPossiblyLowRes && allInts;
-
-  if ( n2 == n && checks < 50 && // 50 is just a failsafe. Our real goals are 2ms or 25ms.
-       ( (d2 - d) < 2 // The spec allows 1ms resolution. We allow up to measured 2ms to ellapse.
-         ||
-         lowResCounter &&
-         (d2 - d) < 25
-       )
-     ) {
-    setTimeout(checkAfterTimeout, 1);
-    return;
-  }
-
-  // Loose spec: 1ms resolution, or 15ms resolution for the XP-low-res case.
-  // We shouldn't test that dt is actually within 2/25ms since the iterations break if it isn't, and timeout could be late.
-  ok(n2 > n, "Loose - the value of now() should increase within 2ms (or 25ms if low-res counter) (delta now(): " + (n2 - n) + " ms).");
-
-  // Strict spec: if it's not the XP-low-res case, while the spec allows 1ms resolution, it prefers microseconds, which we provide.
-  // Since the fastest setTimeout return which I observed was ~500 microseconds, a microseconds counter should change in 1 iteretion.
-  ok(n2 > n && (lowResCounter || checks == 1),
-     "Strict - [if high-res counter] the value of now() should increase after one setTimeout (hi-res: " + (!lowResCounter) +
-                                                                                              ", iters: " + checks +
-                                                                                              ", dt: " + (d2 - d) +
-                                                                                              ", now(): " + n2 + ").");
-  workerTestDone();
-};
diff --git a/dom/plugins/base/nsPluginHost.cpp b/dom/plugins/base/nsPluginHost.cpp
index 5fb265efc..bd71d6f65 100644
--- a/dom/plugins/base/nsPluginHost.cpp
+++ b/dom/plugins/base/nsPluginHost.cpp
@@ -2024,45 +2024,9 @@ struct CompareFilesByTime
 
 } // namespace
 
-bool
-nsPluginHost::ShouldAddPlugin(nsPluginTag* aPluginTag)
-{
-#if defined(XP_WIN) && (defined(__x86_64__) || defined(_M_X64))
-  // On 64-bit windows, the only plugins we should load are flash and
-  // silverlight. Use library filename and MIME type to check.
-  if (StringBeginsWith(aPluginTag->FileName(), NS_LITERAL_CSTRING("NPSWF"), nsCaseInsensitiveCStringComparator()) &&
-      (aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-shockwave-flash")) ||
-       aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-shockwave-flash-test")))) {
-    return true;
-  }
-  if (StringBeginsWith(aPluginTag->FileName(), NS_LITERAL_CSTRING("npctrl"), nsCaseInsensitiveCStringComparator()) &&
-      (aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-silverlight-test")) ||
-       aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-silverlight-2")) ||
-       aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-silverlight")))) {
-    return true;
-  }
-  // Accept the test plugin MIME types, so mochitests still work.
-  if (aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-test")) ||
-      aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-Second-Test")) ||
-      aPluginTag->HasMimeType(NS_LITERAL_CSTRING("application/x-java-test"))) {
-    return true;
-  }
-#ifdef PLUGIN_LOGGING
-  PLUGIN_LOG(PLUGIN_LOG_NORMAL,
-             ("ShouldAddPlugin : Ignoring non-flash plugin library %s\n", aPluginTag->FileName().get()));
-#endif // PLUGIN_LOGGING
-  return false;
-#else
-  return true;
-#endif // defined(XP_WIN) && (defined(__x86_64__) || defined(_M_X64))
-}
-
 void
 nsPluginHost::AddPluginTag(nsPluginTag* aPluginTag)
 {
-  if (!ShouldAddPlugin(aPluginTag)) {
-    return;
-  }
   aPluginTag->mNext = mPlugins;
   mPlugins = aPluginTag;
 
@@ -3192,10 +3156,6 @@ nsPluginHost::ReadPluginInfo()
     MOZ_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_BASIC,
       ("LoadCachedPluginsInfo : Loading Cached plugininfo for %s\n", tag->FileName().get()));
 
-    if (!ShouldAddPlugin(tag)) {
-      continue;
-    }
-
     tag->mNext = mCachedPlugins;
     mCachedPlugins = tag;
   }
diff --git a/dom/plugins/ipc/hangui/plugin-hang-ui.exe.manifest b/dom/plugins/ipc/hangui/plugin-hang-ui.exe.manifest
index 8d6149c58..f5b7345f9 100644
--- a/dom/plugins/ipc/hangui/plugin-hang-ui.exe.manifest
+++ b/dom/plugins/ipc/hangui/plugin-hang-ui.exe.manifest
@@ -32,7 +32,6 @@
       <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
       <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
       <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
-      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
     </application>
   </compatibility>
 </assembly>
diff --git a/dom/push/moz.build b/dom/push/moz.build
index b96099161..35683120f 100644
--- a/dom/push/moz.build
+++ b/dom/push/moz.build
@@ -16,7 +16,7 @@ EXTRA_JS_MODULES += [
     'PushService.jsm',
 ]
 
-if CONFIG['MOZ_BUILD_APP'] != 'mobile/android':
+if not CONFIG['MOZ_FENNEC']:
     # Everything but Fennec.
     EXTRA_JS_MODULES += [
         'PushServiceHttp2.jsm',
diff --git a/dom/security/nsCSPContext.cpp b/dom/security/nsCSPContext.cpp
index 815c7734d..5e435d4ca 100644
--- a/dom/security/nsCSPContext.cpp
+++ b/dom/security/nsCSPContext.cpp
@@ -156,10 +156,13 @@ nsCSPContext::ShouldLoad(nsContentPolicyType aContentType,
   nsAutoString nonce;
   bool parserCreated = false;
   if (!isPreload) {
-    nsCOMPtr<nsIDOMHTMLElement> htmlElement = do_QueryInterface(aRequestContext);
-    if (htmlElement) {
-      rv = htmlElement->GetAttribute(NS_LITERAL_STRING("nonce"), nonce);
-      NS_ENSURE_SUCCESS(rv, rv);
+    if (aContentType == nsIContentPolicy::TYPE_SCRIPT ||
+        aContentType == nsIContentPolicy::TYPE_STYLESHEET) {
+      nsCOMPtr<nsIDOMHTMLElement> htmlElement = do_QueryInterface(aRequestContext);
+      if (htmlElement) {
+        rv = htmlElement->GetAttribute(NS_LITERAL_STRING("nonce"), nonce);
+        NS_ENSURE_SUCCESS(rv, rv);
+      }
     }
 
     nsCOMPtr<nsIScriptElement> script = do_QueryInterface(aRequestContext);
@@ -343,6 +346,20 @@ nsCSPContext::GetBlockAllMixedContent(bool *outBlockAllMixedContent)
 }
 
 NS_IMETHODIMP
+nsCSPContext::GetEnforcesFrameAncestors(bool *outEnforcesFrameAncestors)
+{
+  *outEnforcesFrameAncestors = false;
+  for (uint32_t i = 0; i < mPolicies.Length(); i++) {
+    if (!mPolicies[i]->getReportOnlyFlag() &&
+        mPolicies[i]->hasDirective(nsIContentSecurityPolicy::FRAME_ANCESTORS_DIRECTIVE)) {
+      *outEnforcesFrameAncestors = true;
+      return NS_OK;
+    }
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
 nsCSPContext::GetReferrerPolicy(uint32_t* outPolicy, bool* outIsSet)
 {
   *outIsSet = false;
diff --git a/dom/security/nsCSPParser.cpp b/dom/security/nsCSPParser.cpp
index f1b5d8ba7..a0eba6918 100644
--- a/dom/security/nsCSPParser.cpp
+++ b/dom/security/nsCSPParser.cpp
@@ -136,6 +136,8 @@ nsCSPParser::nsCSPParser(cspTokens& aTokens,
  , mUnsafeInlineKeywordSrc(nullptr)
  , mChildSrc(nullptr)
  , mFrameSrc(nullptr)
+ , mWorkerSrc(nullptr)
+ , mScriptSrc(nullptr)
  , mParsingFrameAncestorsDir(false)
  , mTokens(aTokens)
  , mSelfURI(aSelfURI)
@@ -532,7 +534,7 @@ nsCSPParser::keywordSource()
   // Special case handling for 'self' which is not stored internally as a keyword,
   // but rather creates a nsCSPHostSrc using the selfURI
   if (CSP_IsKeyword(mCurToken, CSP_SELF)) {
-    return CSP_CreateHostSrcFromURI(mSelfURI);
+    return CSP_CreateHostSrcFromSelfURI(mSelfURI);
   }
 
   if (CSP_IsKeyword(mCurToken, CSP_STRICT_DYNAMIC)) {
@@ -1099,21 +1101,37 @@ nsCSPParser::directiveName()
     return new nsUpgradeInsecureDirective(CSP_StringToCSPDirective(mCurToken));
   }
 
-  // child-src has it's own class to handle frame-src if necessary
+  // child-src by itself is deprecatd but will be enforced
+  //   * for workers (if worker-src is not explicitly specified)
+  //   * for frames  (if frame-src is not explicitly specified)
   if (CSP_IsDirective(mCurToken, nsIContentSecurityPolicy::CHILD_SRC_DIRECTIVE)) {
+    const char16_t* params[] = { mCurToken.get() };
+    logWarningErrorToConsole(nsIScriptError::warningFlag,
+                             "deprecatedChildSrcDirective",
+                             params, ArrayLength(params));
     mChildSrc = new nsCSPChildSrcDirective(CSP_StringToCSPDirective(mCurToken));
     return mChildSrc;
   }
 
-  // if we have a frame-src, cache it so we can decide whether to use child-src
+  // if we have a frame-src, cache it so we can discard child-src for frames
   if (CSP_IsDirective(mCurToken, nsIContentSecurityPolicy::FRAME_SRC_DIRECTIVE)) {
-    const char16_t* params[] = { mCurToken.get(), NS_LITERAL_STRING("child-src").get() };
-    logWarningErrorToConsole(nsIScriptError::warningFlag, "deprecatedDirective",
-                             params, ArrayLength(params));
     mFrameSrc = new nsCSPDirective(CSP_StringToCSPDirective(mCurToken));
     return mFrameSrc;
   }
 
+  // if we have a worker-src, cache it so we can discard child-src for workers
+  if (CSP_IsDirective(mCurToken, nsIContentSecurityPolicy::WORKER_SRC_DIRECTIVE)) {
+    mWorkerSrc = new nsCSPDirective(CSP_StringToCSPDirective(mCurToken));
+    return mWorkerSrc;
+  }
+
+  // if we have a script-src, cache it as a fallback for worker-src
+  // in case child-src is not present
+  if (CSP_IsDirective(mCurToken, nsIContentSecurityPolicy::SCRIPT_SRC_DIRECTIVE)) {
+    mScriptSrc = new nsCSPScriptSrcDirective(CSP_StringToCSPDirective(mCurToken));
+    return mScriptSrc;
+  }
+
   if (CSP_IsDirective(mCurToken, nsIContentSecurityPolicy::REQUIRE_SRI_FOR)) {
     return new nsRequireSRIForDirective(CSP_StringToCSPDirective(mCurToken));
   }
@@ -1290,9 +1308,22 @@ nsCSPParser::policy()
     directive();
   }
 
-  if (mChildSrc && !mFrameSrc) {
-    // if we have a child-src, it handles frame-src too, unless frame-src is set
-    mChildSrc->setHandleFrameSrc();
+  if (mChildSrc) {
+    if (!mFrameSrc) {
+      // if frame-src is specified explicitly for that policy than child-src should
+      // not restrict frames; if not, than child-src needs to restrict frames.
+      mChildSrc->setRestrictFrames();
+    }
+    if (!mWorkerSrc) {
+      // if worker-src is specified explicitly for that policy than child-src should
+      // not restrict workers; if not, than child-src needs to restrict workers.
+      mChildSrc->setRestrictWorkers();
+    }
+  }
+  // if script-src is specified, but not worker-src and also no child-src, then
+  // script-src has to govern workers.
+  if (mScriptSrc && !mWorkerSrc && !mChildSrc) {
+    mScriptSrc->setRestrictWorkers();
   }
 
   return mPolicy;
diff --git a/dom/security/nsCSPParser.h b/dom/security/nsCSPParser.h
index 1bfc56c65..d500a1c18 100644
--- a/dom/security/nsCSPParser.h
+++ b/dom/security/nsCSPParser.h
@@ -243,14 +243,17 @@ class nsCSPParser {
     bool               mStrictDynamic;  // false, if 'strict-dynamic' is not defined
     nsCSPKeywordSrc*   mUnsafeInlineKeywordSrc; // null, otherwise invlidate()
 
-    // cache variables for child-src and frame-src directive handling.
-    // frame-src is deprecated in favor of child-src, however if we
-    // see a frame-src directive, it takes precedence for frames and iframes.
-    // At the end of parsing, if we have a child-src directive, we need to
-    // decide whether it will handle frames, or if there is a frame-src we
-    // should honor instead.
-    nsCSPChildSrcDirective* mChildSrc;
-    nsCSPDirective*         mFrameSrc;
+    // cache variables for child-src, frame-src and worker-src handling;
+    // in CSP 3 child-src is deprecated. For backwards compatibility
+    // child-src needs to restrict:
+    //   (*) frames, in case frame-src is not expicitly specified
+    //   (*) workers, in case worker-src is not expicitly specified
+    // If neither worker-src, nor child-src is present, then script-src
+    // needs to govern workers.
+    nsCSPChildSrcDirective*  mChildSrc;
+    nsCSPDirective*          mFrameSrc;
+    nsCSPDirective*          mWorkerSrc;
+    nsCSPScriptSrcDirective* mScriptSrc;
 
     // cache variable to let nsCSPHostSrc know that it's within
     // the frame-ancestors directive.
diff --git a/dom/security/nsCSPUtils.cpp b/dom/security/nsCSPUtils.cpp
index b074a980c..49832f8f4 100644
--- a/dom/security/nsCSPUtils.cpp
+++ b/dom/security/nsCSPUtils.cpp
@@ -230,7 +230,7 @@ CSP_ContentTypeToDirective(nsContentPolicyType aType)
     case nsIContentPolicy::TYPE_INTERNAL_WORKER:
     case nsIContentPolicy::TYPE_INTERNAL_SHARED_WORKER:
     case nsIContentPolicy::TYPE_INTERNAL_SERVICE_WORKER:
-      return nsIContentSecurityPolicy::CHILD_SRC_DIRECTIVE;
+      return nsIContentSecurityPolicy::WORKER_SRC_DIRECTIVE;
 
     case nsIContentPolicy::TYPE_SUBDOCUMENT:
       return nsIContentSecurityPolicy::FRAME_SRC_DIRECTIVE;
@@ -266,20 +266,21 @@ CSP_ContentTypeToDirective(nsContentPolicyType aType)
 }
 
 nsCSPHostSrc*
-CSP_CreateHostSrcFromURI(nsIURI* aURI)
+CSP_CreateHostSrcFromSelfURI(nsIURI* aSelfURI)
 {
   // Create the host first
   nsCString host;
-  aURI->GetHost(host);
+  aSelfURI->GetAsciiHost(host);
   nsCSPHostSrc *hostsrc = new nsCSPHostSrc(NS_ConvertUTF8toUTF16(host));
+  hostsrc->setGeneratedFromSelfKeyword();
 
   // Add the scheme.
   nsCString scheme;
-  aURI->GetScheme(scheme);
+  aSelfURI->GetScheme(scheme);
   hostsrc->setScheme(NS_ConvertUTF8toUTF16(scheme));
 
   int32_t port;
-  aURI->GetPort(&port);
+  aSelfURI->GetPort(&port);
   // Only add port if it's not default port.
   if (port > 0) {
     nsAutoString portStr;
@@ -348,13 +349,17 @@ CSP_IsQuotelessKeyword(const nsAString& aKey)
  * @param aUpgradeInsecure
  *        Whether the policy makes use of the directive
  *        'upgrade-insecure-requests'.
+ * @param aFromSelfURI
+ *        Whether a scheme was generated from the keyword 'self'
+ *        which then allows schemeless sources to match ws and wss.
  */
 
 bool
 permitsScheme(const nsAString& aEnforcementScheme,
               nsIURI* aUri,
               bool aReportOnly,
-              bool aUpgradeInsecure)
+              bool aUpgradeInsecure,
+              bool aFromSelfURI)
 {
   nsAutoCString scheme;
   nsresult rv = aUri->GetScheme(scheme);
@@ -373,8 +378,20 @@ permitsScheme(const nsAString& aEnforcementScheme,
   // allow scheme-less sources where the protected resource is http
   // and the load is https, see:
   // http://www.w3.org/TR/CSP2/#match-source-expression
-  if (aEnforcementScheme.EqualsASCII("http") &&
-      scheme.EqualsASCII("https")) {
+  if (aEnforcementScheme.EqualsASCII("http")) {
+    if (scheme.EqualsASCII("https")) {
+      return true;
+    }
+    if ((scheme.EqualsASCII("ws") || scheme.EqualsASCII("wss")) && aFromSelfURI) {
+      return true;
+    }
+  }
+  if (aEnforcementScheme.EqualsASCII("https")) {
+    if (scheme.EqualsLiteral("wss") && aFromSelfURI) {
+      return true;
+    }
+  }
+  if (aEnforcementScheme.EqualsASCII("ws") && scheme.EqualsASCII("wss")) {
     return true;
   }
 
@@ -483,7 +500,7 @@ nsCSPSchemeSrc::permits(nsIURI* aUri, const nsAString& aNonce, bool aWasRedirect
   if (mInvalidated) {
     return false;
   }
-  return permitsScheme(mScheme, aUri, aReportOnly, aUpgradeInsecure);
+  return permitsScheme(mScheme, aUri, aReportOnly, aUpgradeInsecure, false);
 }
 
 bool
@@ -503,6 +520,7 @@ nsCSPSchemeSrc::toString(nsAString& outStr) const
 
 nsCSPHostSrc::nsCSPHostSrc(const nsAString& aHost)
   : mHost(aHost)
+  , mGeneratedFromSelfKeyword(false)
   , mWithinFrameAncstorsDir(false)
 {
   ToLowerCase(mHost);
@@ -612,7 +630,7 @@ nsCSPHostSrc::permits(nsIURI* aUri, const nsAString& aNonce, bool aWasRedirected
   // http://www.w3.org/TR/CSP11/#match-source-expression
 
   // 4.3) scheme matching: Check if the scheme matches.
-  if (!permitsScheme(mScheme, aUri, aReportOnly, aUpgradeInsecure)) {
+  if (!permitsScheme(mScheme, aUri, aReportOnly, aUpgradeInsecure, mGeneratedFromSelfKeyword)) {
     return false;
   }
 
@@ -643,7 +661,7 @@ nsCSPHostSrc::permits(nsIURI* aUri, const nsAString& aNonce, bool aWasRedirected
   // Before we can check if the host matches, we have to
   // extract the host part from aUri.
   nsAutoCString uriHost;
-  nsresult rv = aUri->GetHost(uriHost);
+  nsresult rv = aUri->GetAsciiHost(uriHost);
   NS_ENSURE_SUCCESS(rv, false);
 
   nsString decodedUriHost;
@@ -1166,6 +1184,11 @@ nsCSPDirective::toDomCSPStruct(mozilla::dom::CSP& outCSP) const
       outCSP.mSandbox.Value() = mozilla::Move(srcs);
       return;
 
+    case nsIContentSecurityPolicy::WORKER_SRC_DIRECTIVE:
+      outCSP.mWorker_src.Construct();
+      outCSP.mWorker_src.Value() = mozilla::Move(srcs);
+      return;
+
     // REFERRER_DIRECTIVE and REQUIRE_SRI_FOR are handled in nsCSPPolicy::toDomCSPStruct()
 
     default:
@@ -1218,7 +1241,8 @@ bool nsCSPDirective::equals(CSPDirective aDirective) const
 
 nsCSPChildSrcDirective::nsCSPChildSrcDirective(CSPDirective aDirective)
   : nsCSPDirective(aDirective)
-  , mHandleFrameSrc(false)
+  , mRestrictFrames(false)
+  , mRestrictWorkers(false)
 {
 }
 
@@ -1226,30 +1250,58 @@ nsCSPChildSrcDirective::~nsCSPChildSrcDirective()
 {
 }
 
-void nsCSPChildSrcDirective::setHandleFrameSrc()
-{
-  mHandleFrameSrc = true;
-}
-
 bool nsCSPChildSrcDirective::restrictsContentType(nsContentPolicyType aContentType) const
 {
   if (aContentType == nsIContentPolicy::TYPE_SUBDOCUMENT) {
-    return mHandleFrameSrc;
+    return mRestrictFrames;
   }
-
-  return (aContentType == nsIContentPolicy::TYPE_INTERNAL_WORKER
-      || aContentType == nsIContentPolicy::TYPE_INTERNAL_SHARED_WORKER
-      || aContentType == nsIContentPolicy::TYPE_INTERNAL_SERVICE_WORKER
-      );
+  if (aContentType == nsIContentPolicy::TYPE_INTERNAL_WORKER ||
+      aContentType == nsIContentPolicy::TYPE_INTERNAL_SHARED_WORKER ||
+      aContentType == nsIContentPolicy::TYPE_INTERNAL_SERVICE_WORKER) {
+    return mRestrictWorkers;
+  }
+  return false;
 }
 
 bool nsCSPChildSrcDirective::equals(CSPDirective aDirective) const
 {
   if (aDirective == nsIContentSecurityPolicy::FRAME_SRC_DIRECTIVE) {
-    return mHandleFrameSrc;
+    return mRestrictFrames;
   }
+  if (aDirective == nsIContentSecurityPolicy::WORKER_SRC_DIRECTIVE) {
+    return mRestrictWorkers;
+  }
+  return (mDirective == aDirective);
+}
+
+/* =============== nsCSPScriptSrcDirective ============= */
+
+nsCSPScriptSrcDirective::nsCSPScriptSrcDirective(CSPDirective aDirective)
+  : nsCSPDirective(aDirective)
+  , mRestrictWorkers(false)
+{
+}
+
+nsCSPScriptSrcDirective::~nsCSPScriptSrcDirective()
+{
+}
 
-  return (aDirective == nsIContentSecurityPolicy::CHILD_SRC_DIRECTIVE);
+bool nsCSPScriptSrcDirective::restrictsContentType(nsContentPolicyType aContentType) const
+{
+  if (aContentType == nsIContentPolicy::TYPE_INTERNAL_WORKER ||
+      aContentType == nsIContentPolicy::TYPE_INTERNAL_SHARED_WORKER ||
+      aContentType == nsIContentPolicy::TYPE_INTERNAL_SERVICE_WORKER) {
+    return mRestrictWorkers;
+  }
+  return mDirective == CSP_ContentTypeToDirective(aContentType);
+}
+
+bool nsCSPScriptSrcDirective::equals(CSPDirective aDirective) const
+{
+  if (aDirective == nsIContentSecurityPolicy::WORKER_SRC_DIRECTIVE) {
+    return mRestrictWorkers;
+  }
+  return (mDirective == aDirective);
 }
 
 /* =============== nsBlockAllMixedContentDirective ============= */
diff --git a/dom/security/nsCSPUtils.h b/dom/security/nsCSPUtils.h
index 468c734a2..91096712a 100644
--- a/dom/security/nsCSPUtils.h
+++ b/dom/security/nsCSPUtils.h
@@ -93,7 +93,8 @@ static const char* CSPStrDirectives[] = {
   "child-src",                 // CHILD_SRC_DIRECTIVE
   "block-all-mixed-content",   // BLOCK_ALL_MIXED_CONTENT
   "require-sri-for",           // REQUIRE_SRI_FOR
-  "sandbox"                    // SANDBOX_DIRECTIVE
+  "sandbox",                   // SANDBOX_DIRECTIVE
+  "worker-src"                 // WORKER_SRC_DIRECTIVE
 };
 
 inline const char* CSP_CSPDirectiveToString(CSPDirective aDir)
@@ -186,7 +187,7 @@ nsresult CSP_AppendCSPFromHeader(nsIContentSecurityPolicy* aCsp,
 
 class nsCSPHostSrc;
 
-nsCSPHostSrc* CSP_CreateHostSrcFromURI(nsIURI* aURI);
+nsCSPHostSrc* CSP_CreateHostSrcFromSelfURI(nsIURI* aSelfURI);
 bool CSP_IsValidDirective(const nsAString& aDir);
 bool CSP_IsDirective(const nsAString& aValue, CSPDirective aDir);
 bool CSP_IsKeyword(const nsAString& aValue, enum CSPKeyword aKey);
@@ -256,6 +257,9 @@ class nsCSPHostSrc : public nsCSPBaseSrc {
     void setPort(const nsAString& aPort);
     void appendPath(const nsAString &aPath);
 
+    inline void setGeneratedFromSelfKeyword() const
+      { mGeneratedFromSelfKeyword = true;}
+
     inline void setWithinFrameAncestorsDir(bool aValue) const
       { mWithinFrameAncstorsDir = aValue; }
 
@@ -276,6 +280,7 @@ class nsCSPHostSrc : public nsCSPBaseSrc {
     nsString mHost;
     nsString mPort;
     nsString mPath;
+    mutable bool mGeneratedFromSelfKeyword;
     mutable bool mWithinFrameAncstorsDir;
 };
 
@@ -441,7 +446,7 @@ class nsCSPDirective {
 
     bool visitSrcs(nsCSPSrcVisitor* aVisitor) const;
 
-  private:
+  protected:
     CSPDirective            mDirective;
     nsTArray<nsCSPBaseSrc*> mSrcs;
 };
@@ -449,26 +454,52 @@ class nsCSPDirective {
 /* =============== nsCSPChildSrcDirective ============= */
 
 /*
- * In CSP 2, the child-src directive covers both workers and
- * subdocuments (i.e., frames and iframes). Workers were removed
- * from script-src, but frames can be controlled by either child-src
- * or frame-src directives, so child-src needs to know whether it should
- * also restrict frames. When both are present the frame-src directive
- * takes precedent.
+ * In CSP 3 child-src is deprecated. For backwards compatibility
+ * child-src needs to restrict:
+ *   (*) frames, in case frame-src is not expicitly specified
+ *   (*) workers, in case worker-src is not expicitly specified
  */
 class nsCSPChildSrcDirective : public nsCSPDirective {
   public:
     explicit nsCSPChildSrcDirective(CSPDirective aDirective);
     virtual ~nsCSPChildSrcDirective();
 
-    void setHandleFrameSrc();
+    void setRestrictFrames()
+      { mRestrictFrames = true; }
+
+    void setRestrictWorkers()
+      { mRestrictWorkers = true; }
+
+    virtual bool restrictsContentType(nsContentPolicyType aContentType) const;
+
+    virtual bool equals(CSPDirective aDirective) const;
+
+  private:
+    bool mRestrictFrames;
+    bool mRestrictWorkers;
+};
+
+/* =============== nsCSPScriptSrcDirective ============= */
+
+/*
+ * In CSP 3 worker-src restricts workers, for backwards compatibily
+ * script-src has to restrict workers as the ultimate fallback if
+ * neither worker-src nor child-src is present in a CSP.
+ */
+class nsCSPScriptSrcDirective : public nsCSPDirective {
+  public:
+    explicit nsCSPScriptSrcDirective(CSPDirective aDirective);
+    virtual ~nsCSPScriptSrcDirective();
+
+    void setRestrictWorkers()
+      { mRestrictWorkers = true; }
 
     virtual bool restrictsContentType(nsContentPolicyType aContentType) const;
 
     virtual bool equals(CSPDirective aDirective) const;
 
   private:
-    bool mHandleFrameSrc;
+    bool mRestrictWorkers;
 };
 
 /* =============== nsBlockAllMixedContentDirective === */
diff --git a/dom/security/test/csp/file_frame_src.js b/dom/security/test/csp/file_frame_src.js
new file mode 100644
index 000000000..8e81f0743
--- /dev/null
+++ b/dom/security/test/csp/file_frame_src.js
@@ -0,0 +1,14 @@
+let testframe = document.getElementById("testframe");
+testframe.onload = function() {
+  parent.postMessage({
+    result: "frame-allowed",
+    href: document.location.href,
+  }, "*");
+}
+testframe.onerror = function() {
+  parent.postMessage({
+    result: "frame-blocked",
+    href: document.location.href,
+  }, "*");
+}
+testframe.src = "file_frame_src_inner.html"
diff --git a/dom/security/test/csp/file_frame_src_child_governs.html b/dom/security/test/csp/file_frame_src_child_governs.html
new file mode 100644
index 000000000..a51cb75be
--- /dev/null
+++ b/dom/security/test/csp/file_frame_src_child_governs.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="Content-Security-Policy" content="child-src https://example.com">";
+</head>
+<body>
+<iframe id="testframe"></iframe>
+<script type="text/javascript" src="file_frame_src.js"></script>
+</body>
+</html>
diff --git a/dom/security/test/csp/file_frame_src_frame_governs.html b/dom/security/test/csp/file_frame_src_frame_governs.html
new file mode 100644
index 000000000..2c5d5857f
--- /dev/null
+++ b/dom/security/test/csp/file_frame_src_frame_governs.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="Content-Security-Policy" content="frame-src https://example.com; child-src 'none'">";
+</head>
+<body>
+<iframe id="testframe"></iframe>
+<script type="text/javascript" src="file_frame_src.js"></script>
+</body>
+</html>
diff --git a/dom/security/test/csp/file_frame_src_inner.html b/dom/security/test/csp/file_frame_src_inner.html
new file mode 100644
index 000000000..4a2fc6095
--- /dev/null
+++ b/dom/security/test/csp/file_frame_src_inner.html
@@ -0,0 +1,5 @@
+<html>
+<body>
+dummy iframe
+</body>
+</html>
diff --git a/dom/security/test/csp/file_ignore_xfo.html b/dom/security/test/csp/file_ignore_xfo.html
new file mode 100644
index 000000000..6746a3adb
--- /dev/null
+++ b/dom/security/test/csp/file_ignore_xfo.html
@@ -0,0 +1,10 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Bug 1024557: Ignore x-frame-options if CSP with frame-ancestors exists</title>
+</head>
+<body>
+<div id="cspmessage">Ignoring XFO because of CSP</div>
+</body>
+</html>
diff --git a/dom/security/test/csp/file_ignore_xfo.html^headers^ b/dom/security/test/csp/file_ignore_xfo.html^headers^
new file mode 100644
index 000000000..e93f9e3ec
--- /dev/null
+++ b/dom/security/test/csp/file_ignore_xfo.html^headers^
@@ -0,0 +1,3 @@
+Content-Security-Policy: frame-ancestors http://mochi.test:8888
+X-Frame-Options: deny
+Cache-Control: no-cache
diff --git a/dom/security/test/csp/file_image_nonce.html b/dom/security/test/csp/file_image_nonce.html
new file mode 100644
index 000000000..5d57bb837
--- /dev/null
+++ b/dom/security/test/csp/file_image_nonce.html
@@ -0,0 +1,39 @@
+<!DOCTYPE HTML>
+<html>
+  <head>
+  <meta charset='utf-8'>
+  <title>Bug 1355801: Nonce should not apply to images</title>
+  </head>
+<body>
+
+<img id='matchingNonce' src='http://mochi.test:8888/tests/image/test/mochitest/blue.png?a' nonce='abc'></img>
+<img id='nonMatchingNonce' src='http://mochi.test:8888/tests/image/test/mochitest/blue.png?b' nonce='bca'></img>
+<img id='noNonce' src='http://mochi.test:8888/tests/image/test/mochitest/blue.png?c'></img>
+
+<script type='application/javascript'>
+  var matchingNonce = document.getElementById('matchingNonce');
+  matchingNonce.onload = function(e) {
+    window.parent.postMessage({result: 'img-with-matching-nonce-loaded'}, '*');
+  };
+  matchingNonce.onerror = function(e) {
+    window.parent.postMessage({result: 'img-with-matching-nonce-blocked'}, '*');
+  }
+
+  var nonMatchingNonce = document.getElementById('nonMatchingNonce');
+  nonMatchingNonce.onload = function(e) {
+    window.parent.postMessage({result: 'img-with_non-matching-nonce-loaded'}, '*');
+  };
+  nonMatchingNonce.onerror = function(e) {
+    window.parent.postMessage({result: 'img-with_non-matching-nonce-blocked'}, '*');
+  }
+
+  var noNonce = document.getElementById('noNonce');
+  noNonce.onload = function(e) {
+    window.parent.postMessage({result: 'img-without-nonce-loaded'}, '*');
+  };
+  noNonce.onerror = function(e) {
+    window.parent.postMessage({result: 'img-without-nonce-blocked'}, '*');
+  }
+</script>
+</body>
+</html>
diff --git a/dom/security/test/csp/file_image_nonce.html^headers^ b/dom/security/test/csp/file_image_nonce.html^headers^
new file mode 100644
index 000000000..0d63558c4
--- /dev/null
+++ b/dom/security/test/csp/file_image_nonce.html^headers^
@@ -0,0 +1,2 @@
+Content-Security-Policy: img-src 'nonce-abc';
+Cache-Control: no-cache
diff --git a/dom/security/test/csp/file_punycode_host_src.js b/dom/security/test/csp/file_punycode_host_src.js
new file mode 100644
index 000000000..3505faf70
--- /dev/null
+++ b/dom/security/test/csp/file_punycode_host_src.js
@@ -0,0 +1,2 @@
+const LOADED = true;
+parent.postMessage({result: 'script-allowed'}, "*");
\ No newline at end of file
diff --git a/dom/security/test/csp/file_punycode_host_src.sjs b/dom/security/test/csp/file_punycode_host_src.sjs
new file mode 100644
index 000000000..3189cc063
--- /dev/null
+++ b/dom/security/test/csp/file_punycode_host_src.sjs
@@ -0,0 +1,45 @@
+// custom *.sjs for Bug 1224225
+// Punycode in CSP host sources
+
+const HTML_PART1 =
+  "<!DOCTYPE HTML>" +
+  "<html><head><meta charset=\"utf-8\">" +
+  "<title>Bug 1224225 - CSP source matching should work for punycoded domain names</title>" +
+  "</head>" +
+  "<body>" +
+  "<script id='script' src='";
+
+const TESTCASE1 = "http://sub2.ält.example.org/";
+const TESTCASE2 = "http://sub2.xn--lt-uia.example.org/"
+
+const HTML_PART2 = "tests/dom/security/test/csp/file_punycode_host_src.js'></script>" +
+  "</body>" +
+  "</html>";
+
+function handleRequest(request, response)
+{
+  // avoid confusing cache behaviors
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+
+  Components.utils.importGlobalProperties(["URLSearchParams"]);
+  const query = new URLSearchParams(request.queryString);
+
+
+  if (query.get("csp")) {
+    response.setHeader("Content-Security-Policy", query.get("csp"), false);
+  }
+  if (query.get("action") == "script-unicode-csp-punycode") {
+    response.write(HTML_PART1 + TESTCASE1 + HTML_PART2);
+    return
+  }
+  if (query.get("action") == "script-punycode-csp-punycode") {
+    response.write(HTML_PART1 + TESTCASE2 + HTML_PART2);
+    return
+  }
+
+
+  // we should never get here, but just in case
+  // return something unexpected
+  response.write("do'h");
+}
diff --git a/dom/security/test/csp/file_ro_ignore_xfo.html b/dom/security/test/csp/file_ro_ignore_xfo.html
new file mode 100644
index 000000000..85e7f0092
--- /dev/null
+++ b/dom/security/test/csp/file_ro_ignore_xfo.html
@@ -0,0 +1,10 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Bug 1024557: Ignore x-frame-options if CSP with frame-ancestors exists</title>
+</head>
+<body>
+<div id="cspmessage">Ignoring XFO because of CSP_RO</div>
+</body>
+</html>
\ No newline at end of file
diff --git a/dom/security/test/csp/file_ro_ignore_xfo.html^headers^ b/dom/security/test/csp/file_ro_ignore_xfo.html^headers^
new file mode 100644
index 000000000..ab8366f06
--- /dev/null
+++ b/dom/security/test/csp/file_ro_ignore_xfo.html^headers^
@@ -0,0 +1,3 @@
+Content-Security-Policy-Report-Only: frame-ancestors http://mochi.test:8888
+X-Frame-Options: deny
+Cache-Control: no-cache
diff --git a/dom/security/test/csp/file_spawn_service_worker.js b/dom/security/test/csp/file_spawn_service_worker.js
new file mode 100644
index 000000000..b262fa10a
--- /dev/null
+++ b/dom/security/test/csp/file_spawn_service_worker.js
@@ -0,0 +1 @@
+// dummy file
diff --git a/dom/security/test/csp/file_spawn_shared_worker.js b/dom/security/test/csp/file_spawn_shared_worker.js
new file mode 100644
index 000000000..00063bc5c
--- /dev/null
+++ b/dom/security/test/csp/file_spawn_shared_worker.js
@@ -0,0 +1,7 @@
+onconnect = function(e) {
+  var port = e.ports[0];
+  port.addEventListener("message", function(e) {
+  	port.postMessage("shared worker is executing");
+  });
+  port.start();
+}
diff --git a/dom/security/test/csp/file_spawn_worker.js b/dom/security/test/csp/file_spawn_worker.js
new file mode 100644
index 000000000..acde7408c
--- /dev/null
+++ b/dom/security/test/csp/file_spawn_worker.js
@@ -0,0 +1 @@
+postMessage("worker is executing");
diff --git a/dom/security/test/csp/file_upgrade_insecure_navigation.sjs b/dom/security/test/csp/file_upgrade_insecure_navigation.sjs
new file mode 100644
index 000000000..51afa39bf
--- /dev/null
+++ b/dom/security/test/csp/file_upgrade_insecure_navigation.sjs
@@ -0,0 +1,79 @@
+// Custom *.sjs file specifically for the needs of
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1271173
+
+"use strict";
+Components.utils.importGlobalProperties(["URLSearchParams"]);
+
+const TEST_NAVIGATIONAL_UPGRADE = `
+  <!DOCTYPE html>
+  <html>
+  <head><meta charset="utf-8"></head>
+  <body>
+  <a href="http://example.com/tests/dom/security/test/csp/file_upgrade_insecure_navigation.sjs?action=framenav" id="testlink">clickme</a>
+  <script type="text/javascript">
+    // before navigating the current frame we open the window and check that uir applies
+    var myWin = window.open("http://example.com/tests/dom/security/test/csp/file_upgrade_insecure_navigation.sjs?action=docnav");
+
+    window.addEventListener("message", receiveMessage, false);
+    function receiveMessage(event) {
+      myWin.close();
+      var link = document.getElementById('testlink');
+      link.click();
+    }
+  </script>
+  </body>
+  </html>`;
+
+const FRAME_NAV = `
+  <!DOCTYPE html>
+  <html>
+  <head><meta charset="utf-8"></head>
+  <body>
+  <script type="text/javascript">
+    parent.postMessage({result: document.documentURI}, "*");
+  </script>
+  </body>
+  </html>`;
+
+const DOC_NAV = `
+  <!DOCTYPE html>
+  <html>
+  <head><meta charset="utf-8"></head>
+  <body>
+  <script type="text/javascript">
+    // call back to the main testpage signaling whether the upgraded succeeded
+    window.opener.parent.postMessage({result: document.documentURI}, "*");
+    // let the opener (iframe) now that we can now close the window and move on with the test.
+    window.opener.postMessage({result: "readyToMoveOn"}, "*");
+  </script>
+  </body>
+  </html>`;
+
+function handleRequest(request, response) {
+  const query = new URLSearchParams(request.queryString);
+
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+  if (query.get("csp")) {
+    response.setHeader("Content-Security-Policy", query.get("csp"), false);
+  }
+
+  if (query.get("action") === "perform_navigation") {
+    response.write(TEST_NAVIGATIONAL_UPGRADE);
+    return;
+  }
+
+  if (query.get("action") === "framenav") {
+    response.write(FRAME_NAV);
+    return;
+  }
+
+  if (query.get("action") === "docnav") {
+    response.write(DOC_NAV);
+    return;
+  }
+
+  // we should never get here, but just in case
+  // return something unexpected
+  response.write("do'h");
+}
diff --git a/dom/security/test/csp/file_websocket_explicit.html b/dom/security/test/csp/file_websocket_explicit.html
new file mode 100644
index 000000000..51462ab74
--- /dev/null
+++ b/dom/security/test/csp/file_websocket_explicit.html
@@ -0,0 +1,31 @@
+<!DOCTYPE HTML>

+<html>

+<head>

+  <meta charset="utf-8">

+  <title>Bug 1345615: Allow websocket schemes when using 'self' in CSP</title>

+  <meta http-equiv="Content-Security-Policy" content="connect-src ws:">

+</head>

+<body>

+  <script type="application/javascript">

+    /* load socket using ws */

+    var wsSocket = new WebSocket("ws://example.com/tests/dom/security/test/csp/file_websocket_self");

+    wsSocket.onopen = function(e) {

+      window.parent.postMessage({result: "explicit-ws-loaded"}, "*");

+      wsSocket.close();

+    };

+    wsSocket.onerror = function(e) {

+      window.parent.postMessage({result: "explicit-ws-blocked"}, "*");

+    };

+

+    /* load socket using wss */

+    var wssSocket = new WebSocket("wss://example.com/tests/dom/security/test/csp/file_websocket_self");

+    wssSocket.onopen = function(e) {

+      window.parent.postMessage({result: "explicit-wss-loaded"}, "*");

+      wssSocket.close();

+    };

+    wssSocket.onerror = function(e) {

+      window.parent.postMessage({result: "explicit-wss-blocked"}, "*");

+    };

+  </script>

+</body>

+</html>

diff --git a/dom/security/test/csp/file_websocket_self.html b/dom/security/test/csp/file_websocket_self.html
new file mode 100644
index 000000000..3ff5f0558
--- /dev/null
+++ b/dom/security/test/csp/file_websocket_self.html
@@ -0,0 +1,31 @@
+<!DOCTYPE HTML>

+<html>

+<head>

+  <meta charset="utf-8">

+  <title>Bug 1345615: Allow websocket schemes when using 'self' in CSP</title>

+  <meta http-equiv="Content-Security-Policy" content="connect-src 'self'">

+</head>

+<body>

+  <script type="application/javascript">

+    /* load socket using ws */

+    var wsSocket = new WebSocket("ws://example.com/tests/dom/security/test/csp/file_websocket_self");

+    wsSocket.onopen = function(e) {

+      window.parent.postMessage({result: "self-ws-loaded"}, "*");

+      wsSocket.close();

+    };

+    wsSocket.onerror = function(e) {

+      window.parent.postMessage({result: "self-ws-blocked"}, "*");

+    };

+

+    /* load socket using wss */

+    var wssSocket = new WebSocket("wss://example.com/tests/dom/security/test/csp/file_websocket_self");

+    wssSocket.onopen = function(e) {

+      window.parent.postMessage({result: "self-wss-loaded"}, "*");

+      wssSocket.close();

+    };

+    wssSocket.onerror = function(e) {

+      window.parent.postMessage({result: "self-wss-blocked"}, "*");

+    };

+  </script>

+</body>

+</html>

diff --git a/dom/security/test/csp/file_websocket_self_wsh.py b/dom/security/test/csp/file_websocket_self_wsh.py
new file mode 100644
index 000000000..5fe508a91
--- /dev/null
+++ b/dom/security/test/csp/file_websocket_self_wsh.py
@@ -0,0 +1,7 @@
+from mod_pywebsocket import msgutil

+

+def web_socket_do_extra_handshake(request):

+  pass

+

+def web_socket_transfer_data(request):

+  pass

diff --git a/dom/security/test/csp/file_worker_src.js b/dom/security/test/csp/file_worker_src.js
new file mode 100644
index 000000000..ad3ade6a6
--- /dev/null
+++ b/dom/security/test/csp/file_worker_src.js
@@ -0,0 +1,52 @@
+
+let myWorker = new Worker("file_spawn_worker.js");
+myWorker.onmessage = function(event) {
+  parent.postMessage({
+    result: "worker-allowed",
+    href: document.location.href,
+  }, "*");
+}
+myWorker.onerror = function(event) {
+  parent.postMessage({
+    result: "worker-blocked",
+    href: document.location.href,
+  }, "*");
+}
+
+// --------------------------------------------
+
+var mySharedWorker = new SharedWorker('file_spawn_shared_worker.js');
+mySharedWorker.port.onmessage = function(ev) {
+  parent.postMessage({
+    result: "shared-worker-allowed",
+    href: document.location.href,
+  }, "*");
+}
+mySharedWorker.onerror = function(evt) {
+  evt.preventDefault();
+  parent.postMessage({
+    result: "shared-worker-blocked",
+    href: document.location.href,
+  }, "*");
+}
+mySharedWorker.port.start();
+mySharedWorker.port.postMessage('foo');
+
+// --------------------------------------------
+
+navigator.serviceWorker.register('file_spawn_service_worker.js')
+.then(function(reg) {
+  // registration worked
+    reg.unregister().then(function() {
+      parent.postMessage({
+        result: "service-worker-allowed",
+        href: document.location.href,
+      }, "*");
+    });
+}).catch(function(error) {
+  // registration failed
+  parent.postMessage({
+    result: "service-worker-blocked",
+    href: document.location.href,
+  }, "*");
+});
diff --git a/dom/security/test/csp/file_worker_src_child_governs.html b/dom/security/test/csp/file_worker_src_child_governs.html
new file mode 100644
index 000000000..ca8a683aa
--- /dev/null
+++ b/dom/security/test/csp/file_worker_src_child_governs.html
@@ -0,0 +1,9 @@
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="Content-Security-Policy" content="child-src https://example.com; script-src 'nonce-foo'">";
+</head>
+<body>
+<script type="text/javascript" src="file_worker_src.js" nonce="foo"></script>
+</body>
+</html>
diff --git a/dom/security/test/csp/file_worker_src_script_governs.html b/dom/security/test/csp/file_worker_src_script_governs.html
new file mode 100644
index 000000000..0385fee57
--- /dev/null
+++ b/dom/security/test/csp/file_worker_src_script_governs.html
@@ -0,0 +1,9 @@
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="Content-Security-Policy" content="script-src 'nonce-foo' https://example.com">";
+</head>
+<body>
+<script type="text/javascript" src="file_worker_src.js" nonce="foo"></script>
+</body>
+</html>
diff --git a/dom/security/test/csp/file_worker_src_worker_governs.html b/dom/security/test/csp/file_worker_src_worker_governs.html
new file mode 100644
index 000000000..93c8f6122
--- /dev/null
+++ b/dom/security/test/csp/file_worker_src_worker_governs.html
@@ -0,0 +1,9 @@
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="Content-Security-Policy" content="worker-src https://example.com; child-src 'none'; script-src 'nonce-foo'">";
+</head>
+<body>
+<script type="text/javascript" src="file_worker_src.js" nonce="foo"></script>
+</body>
+</html>
diff --git a/dom/security/test/csp/mochitest.ini b/dom/security/test/csp/mochitest.ini
index 8add999c3..ca5c2c6ea 100644
--- a/dom/security/test/csp/mochitest.ini
+++ b/dom/security/test/csp/mochitest.ini
@@ -206,6 +206,18 @@ support-files =
   file_iframe_srcdoc.sjs
   file_iframe_sandbox_srcdoc.html
   file_iframe_sandbox_srcdoc.html^headers^
+  file_ignore_xfo.html
+  file_ignore_xfo.html^headers^
+  file_ro_ignore_xfo.html
+  file_ro_ignore_xfo.html^headers^
+  file_upgrade_insecure_navigation.sjs
+  file_image_nonce.html
+  file_image_nonce.html^headers^
+  file_punycode_host_src.sjs
+  file_punycode_host_src.js
+  file_websocket_self.html
+  file_websocket_explicit.html
+  file_websocket_self_wsh.py
 
 [test_base-uri.html]
 [test_blob_data_schemes.html]
@@ -292,9 +304,30 @@ tags = mcb
 [test_strict_dynamic.html]
 [test_strict_dynamic_parser_inserted.html]
 [test_strict_dynamic_default_src.html]
+[test_upgrade_insecure_navigation.html]
 [test_iframe_sandbox_srcdoc.html]
 [test_iframe_srcdoc.html]
 [test_sandbox_allow_scripts.html]
 support-files =
   file_sandbox_allow_scripts.html
   file_sandbox_allow_scripts.html^headers^
+[test_ignore_xfo.html]
+[test_image_nonce.html]
+[test_punycode_host_src.html]
+[test_websocket_self.html]
+skip-if = toolkit == 'android'
+[test_worker_src.html]
+support-files =
+  file_worker_src_worker_governs.html
+  file_worker_src_child_governs.html
+  file_worker_src_script_governs.html
+  file_worker_src.js
+  file_spawn_worker.js
+  file_spawn_shared_worker.js
+  file_spawn_service_worker.js
+[test_frame_src.html]
+support-files =
+  file_frame_src_frame_governs.html
+  file_frame_src_child_governs.html
+  file_frame_src.js
+  file_frame_src_inner.html
diff --git a/dom/security/test/csp/test_child-src_worker.html b/dom/security/test/csp/test_child-src_worker.html
index 7dcbd03f6..ea9e7b28e 100644
--- a/dom/security/test/csp/test_child-src_worker.html
+++ b/dom/security/test/csp/test_child-src_worker.html
@@ -83,19 +83,19 @@
           id: "script-src-worker",
           file: WORKER_TEST_FILE,
           result : "blocked",
-          policy : "default-src 'none'; script-src 'self' 'unsafe-inline'"
+          policy : "default-src 'none'; script-src https://www.example.org 'unsafe-inline'"
         },
         'script-src-service_worker': {
           id: "script-src-service_worker",
           file: SERVICE_WORKER_TEST_FILE,
           result : "blocked",
-          policy : "default-src 'none'; script-src 'self' 'unsafe-inline'"
+          policy : "default-src 'none'; script-src https://www.example.org 'unsafe-inline'"
         },
         'script-src-self-shared_worker': {
           id: "script-src-self-shared_worker",
           file: SHARED_WORKER_TEST_FILE,
           result : "blocked",
-          policy : "default-src 'none'; script-src 'self' 'unsafe-inline'"
+          policy : "default-src 'none'; script-src https://www.example.org 'unsafe-inline'"
         },
       };
 
diff --git a/dom/security/test/csp/test_frame_src.html b/dom/security/test/csp/test_frame_src.html
new file mode 100644
index 000000000..07de90cfa
--- /dev/null
+++ b/dom/security/test/csp/test_frame_src.html
@@ -0,0 +1,84 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Bug 1302667 - Test frame-src</title>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe style="width:100%;" id="testframe"></iframe>
+
+<script class="testbody" type="text/javascript">
+
+SimpleTest.waitForExplicitFinish();
+
+/* Description of the test:
+ * We load a page inlcuding a frame a CSP of:
+ *   >> frame-src https://example.com; child-src 'none'
+ * and make sure that frame-src governs frames correctly. In addition,
+ * we make sure that child-src is discarded in case frame-src is specified.
+ */
+
+const ORIGIN_1 = "https://example.com/tests/dom/security/test/csp/";
+const ORIGIN_2 = "https://test1.example.com/tests/dom/security/test/csp/";
+
+let TESTS = [
+  // frame-src tests
+  ORIGIN_1 + "file_frame_src_frame_governs.html",
+  ORIGIN_2 + "file_frame_src_frame_governs.html",
+  // child-src tests
+  ORIGIN_1 + "file_frame_src_child_governs.html",
+  ORIGIN_2 + "file_frame_src_child_governs.html",
+];
+
+let testIndex = 0;
+
+function checkFinish() {
+  if (testIndex >= TESTS.length) {
+    window.removeEventListener("message", receiveMessage);
+    SimpleTest.finish();
+    return;
+  }
+  runNextTest();
+}
+
+window.addEventListener("message", receiveMessage);
+function receiveMessage(event) {
+  let href = event.data.href;
+  let result = event.data.result;
+
+  if (href.startsWith("https://example.com")) {
+  	if (result == "frame-allowed") {
+  	  ok(true, "allowing frame from https://example.com (" + result + ")");
+  	}
+  	else {
+  	  ok(false, "blocking frame from https://example.com (" + result + ")");
+  	}
+  }
+  else if (href.startsWith("https://test1.example.com")) {
+  	if (result == "frame-blocked") {
+  	  ok(true, "blocking frame from https://test1.example.com (" + result + ")");
+  	}
+  	else {
+  	  ok(false, "allowing frame from https://test1.example.com (" + result + ")");
+  	}
+  }
+  else {
+    // sanity check, we should never enter that branch, bust just in case...
+  	ok(false, "unexpected result: " + result);
+  }
+  checkFinish();
+}
+
+function runNextTest() {
+  document.getElementById("testframe").src = TESTS[testIndex];
+  testIndex++;
+}
+
+// fire up the tests
+runNextTest();
+
+</script>
+</body>
+</html>
diff --git a/dom/security/test/csp/test_ignore_xfo.html b/dom/security/test/csp/test_ignore_xfo.html
new file mode 100644
index 000000000..fb3aadc6c
--- /dev/null
+++ b/dom/security/test/csp/test_ignore_xfo.html
@@ -0,0 +1,59 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Bug 1024557: Ignore x-frame-options if CSP with frame-ancestors exists</title>
+  <!-- Including SimpleTest.js so we can use waitForExplicitFinish !-->
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe style="width:100%;" id="csp_testframe"></iframe>
+<iframe style="width:100%;" id="csp_ro_testframe"></iframe>
+
+<script class="testbody" type="text/javascript">
+
+/*
+ * We load two frames using:
+ *   x-frame-options: deny
+ * where the first frame uses a csp and the second a csp_ro including frame-ancestors.
+ * We make sure that xfo is ignored for regular csp but not for csp_ro.
+ */
+
+SimpleTest.waitForExplicitFinish();
+
+var testcounter = 0;
+function checkFinished() {
+  testcounter++;
+  if (testcounter < 2) {
+  	return;
+  }
+  SimpleTest.finish();
+}
+
+// 1) test XFO with CSP
+var csp_testframe = document.getElementById("csp_testframe");
+csp_testframe.onload = function() {
+  var msg = csp_testframe.contentWindow.document.getElementById("cspmessage");
+  is(msg.innerHTML, "Ignoring XFO because of CSP", "Loading frame with with XFO and CSP");
+  checkFinished();
+}
+csp_testframe.onerror = function() {
+  ok(false, "sanity: should not fire onerror for csp_testframe");
+}
+csp_testframe.src = "file_ignore_xfo.html";
+
+// 2) test XFO with CSP_RO
+var csp_ro_testframe = document.getElementById("csp_ro_testframe");
+csp_ro_testframe.onload = function() {
+  var msg = csp_ro_testframe.contentWindow.document.getElementById("cspmessage");
+  is(msg, null, "Blocking frame with with XFO and CSP_RO");
+  checkFinished();
+}
+csp_ro_testframe.onerror = function() {
+  ok(false, "sanity: should not fire onerror for csp_ro_testframe");
+}
+csp_ro_testframe.src = "file_ro_ignore_xfo.html";
+
+</script>
+</body>
+</html>
diff --git a/dom/security/test/csp/test_image_nonce.html b/dom/security/test/csp/test_image_nonce.html
new file mode 100644
index 000000000..ff6d636b6
--- /dev/null
+++ b/dom/security/test/csp/test_image_nonce.html
@@ -0,0 +1,60 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Bug 1139297 - Implement CSP upgrade-insecure-requests directive</title>
+  <!-- Including SimpleTest.js so we can use waitForExplicitFinish !-->
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe style="width:100%;" id="testframe"></iframe>
+
+<script class="testbody" type="text/javascript">
+
+/* Description of the test:
+ * We load three images: (a) with a matching nonce,
+                         (b) with a non matching nonce,
+ *                       (c) with no nonce
+ * and make sure that all three images get blocked because
+ * "img-src nonce-bla" should not allow an image load, not
+ * even if the nonce matches*.
+ */
+
+SimpleTest.waitForExplicitFinish();
+
+var counter = 0;
+
+function finishTest() {
+  window.removeEventListener("message", receiveMessage);
+  SimpleTest.finish();
+}
+
+function checkResults(aResult) {
+  counter++;
+  if (aResult === "img-with-matching-nonce-blocked" ||
+      aResult === "img-with_non-matching-nonce-blocked" ||
+      aResult === "img-without-nonce-blocked") {
+    ok (true, "correct result for: " + aResult);
+  }
+  else {
+    ok(false, "unexpected result: " + aResult + "\n\n");
+  }
+  if (counter < 3) {
+    return;
+  }
+  finishTest();
+}
+
+// a postMessage handler that is used by sandboxed iframes without
+// 'allow-same-origin' to bubble up results back to this main page.
+window.addEventListener("message", receiveMessage);
+function receiveMessage(event) {
+  checkResults(event.data.result);
+}
+
+document.getElementById("testframe").src = "file_image_nonce.html";
+
+</script>
+</body>
+</html>
diff --git a/dom/security/test/csp/test_punycode_host_src.html b/dom/security/test/csp/test_punycode_host_src.html
new file mode 100644
index 000000000..8d891725c
--- /dev/null
+++ b/dom/security/test/csp/test_punycode_host_src.html
@@ -0,0 +1,81 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Bug 1224225 - CSP source matching should work for punycoded domain names</title>
+  <!-- Including SimpleTest.js so we can use waitForExplicitFinish !-->
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe style="width:100%;" id="testframe"></iframe>
+
+<script class="testbody" type="text/javascript">
+
+/* Description of the test:
+ * We load scripts within an iframe and make sure that the
+ * CSP matching is same for punycode domain names as well as IDNA.
+ */
+
+SimpleTest.waitForExplicitFinish();
+
+
+var curTest;
+var counter = -1;
+
+const tests = [
+  { // test 1
+    description: "loads script as sub2.ält.example.org, but whitelist in CSP as sub2.xn--lt-uia.example.org",
+    action: "script-unicode-csp-punycode",
+    csp: "script-src http://sub2.xn--lt-uia.example.org;",
+    expected: "script-allowed",
+
+  },
+  { // test 2
+    description: "loads script as sub2.xn--lt-uia.example.org, and whitelist in CSP as sub2.xn--lt-uia.example.org",
+    action: "script-punycode-csp-punycode",
+    csp: "script-src http://sub2.xn--lt-uia.example.org;",
+    expected: "script-allowed",
+
+  },
+    { // test 3
+    description: "loads script as sub2.xn--lt-uia.example.org, and whitelist in CSP as sub2.xn--lt-uia.example.org",
+    action: "script-punycode-csp-punycode",
+    csp: "script-src *.xn--lt-uia.example.org;",
+    expected: "script-allowed",
+
+  },
+
+];
+
+function finishTest() {
+  window.removeEventListener("message", receiveMessage);
+  SimpleTest.finish();
+}
+
+function checkResults(result) {
+  is(result, curTest.expected, curTest.description);
+  loadNextTest();
+}
+
+window.addEventListener("message", receiveMessage);
+function receiveMessage(event) {
+  checkResults(event.data.result);
+}
+
+function loadNextTest() {
+  counter++;
+  if (counter == tests.length) {
+    finishTest();
+    return;
+  }
+  curTest = tests[counter];
+  var testframe = document.getElementById("testframe");
+  testframe.src = `file_punycode_host_src.sjs?action=${curTest.action}&csp=${curTest.csp}`;
+}
+
+loadNextTest();
+
+</script>
+</body>
+</html>
diff --git a/dom/security/test/csp/test_upgrade_insecure_navigation.html b/dom/security/test/csp/test_upgrade_insecure_navigation.html
new file mode 100644
index 000000000..db6a6a1be
--- /dev/null
+++ b/dom/security/test/csp/test_upgrade_insecure_navigation.html
@@ -0,0 +1,103 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Bug 1271173 - Missing spec on Upgrade Insecure Requests(Navigational Upgrades) </title>
+  <!-- Including SimpleTest.js so we can use waitForExplicitFinish !-->
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe style="width:100%;" id="testframe"></iframe>
+<iframe style="width:100%;" id="sandboxedtestframe"
+        sandbox="allow-scripts allow-top-navigation allow-same-origin allow-pointer-lock allow-popups"></iframe>
+
+<script class="testbody" type="text/javascript">
+/*
+ * Description of the test:
+ * We load a page into an iframe that performs a navigational request.
+ * We make sure that upgrade-insecure-requests applies and the page
+ * gets upgraded to https if same origin.
+ * Please note that uir only applies to sandboxed iframes if
+ * the value 'allow-same-origin' is specified.
+ */
+
+SimpleTest.waitForExplicitFinish();
+
+var tests = [
+  {
+    csp: "upgrade-insecure-requests;",
+    result: "https",
+    origin: "http://example.com",
+    desc: "upgrade-insecure-requests same origin should upgrade" 
+  },
+  {
+    csp: "",
+    result: "http",
+    origin: "http://example.com",
+    desc: "No upgrade-insecure-requests same origin should not upgrade"
+  },
+  {
+    csp: "upgrade-insecure-requests;",
+    result: "http",
+    origin: "http://mochi.test:8888",
+    desc: "upgrade-insecure-requests cross origin should not upgrade" 
+  },
+  {
+    csp: "",
+    result: "http",
+    origin: "http://mochi.test:8888",
+    desc: "No upgrade-insecure-requests cross origin should not upgrade"
+  },
+];
+
+// initializing to -1 so we start at index 0 when we start the test
+var counter = -1;
+
+function finishTest() {
+  window.removeEventListener("message", receiveMessage, false);
+  SimpleTest.finish();
+}
+
+var subtests = 0;
+
+window.addEventListener("message", receiveMessage, false);
+function receiveMessage(event) {
+  var result = event.data.result;
+  // query the scheme from the URL before comparing the result
+  var scheme = result.substring(0, result.indexOf(":"));
+  is(scheme, tests[counter].result, tests[counter].desc);
+
+  // @hardcoded 4:
+  // each test run contains of two subtests (frame and top-level)
+  // and we load each test into a regular iframe and into a
+  // sandboxed iframe. only move on to the next test once all
+  // four results from the subtests have bubbled up.
+  subtests++;
+  if (subtests != 4) {
+    return;
+  }
+  subtests = 0;
+  loadNextTest();
+}
+
+function loadNextTest() {
+  counter++;
+  if (counter == tests.length) {
+    finishTest();
+    return;
+  }
+
+  var src = tests[counter].origin;
+  src += "/tests/dom/security/test/csp/file_upgrade_insecure_navigation.sjs";
+  src += "?csp=" + escape(tests[counter].csp);
+  src += "&action=perform_navigation";
+  document.getElementById("testframe").src = src;
+  document.getElementById("sandboxedtestframe").src = src;
+}
+
+// start running the tests
+loadNextTest();
+
+</script>
+</body>
+</html>
diff --git a/dom/security/test/csp/test_websocket_self.html b/dom/security/test/csp/test_websocket_self.html
new file mode 100644
index 000000000..a03c32704
--- /dev/null
+++ b/dom/security/test/csp/test_websocket_self.html
@@ -0,0 +1,61 @@
+<!DOCTYPE HTML>

+<html>

+<head>

+  <meta charset="utf-8">

+  <title>Bug 1345615: Allow websocket schemes when using 'self' in CSP</title>

+  <!-- Including SimpleTest.js so we can use waitForExplicitFinish !-->

+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

+</head>

+<body>

+<iframe style="width:100%;" id="test_ws_self_frame"></iframe>

+<iframe style="width:100%;" id="test_ws_explicit_frame"></iframe>

+

+<script class="testbody" type="text/javascript">

+

+/* Description of the test:

+ * We load an iframe using connect-src 'self' and one

+ *            iframe using connect-src ws: and make

+ * sure that in both cases ws: as well as wss: is allowed to load.

+ */

+

+SimpleTest.waitForExplicitFinish();

+

+function finishTest() {

+  window.removeEventListener("message", receiveMessage);

+  SimpleTest.finish();

+}

+

+const TOTAL_TESTS = 4;

+var counter = 0;

+

+function checkResults(result) {

+  counter++;

+  if (result === "self-ws-loaded" || result === "self-wss-loaded" ||

+      result === "explicit-ws-loaded" || result === "explicit-wss-loaded") {

+    ok(true, "Evaluating: " + result);

+  }

+  else {

+    ok(false, "Evaluating: " + result);

+  }

+  if (counter < TOTAL_TESTS) {

+    return;

+  }

+  finishTest();

+}

+

+window.addEventListener("message", receiveMessage);

+function receiveMessage(event) {

+  checkResults(event.data.result);

+}

+

+const HOST = "http://example.com/tests/dom/security/test/csp/";

+var test_ws_self_frame = document.getElementById("test_ws_self_frame");

+test_ws_self_frame.src = HOST + "file_websocket_self.html";

+

+var test_ws_explicit_frame = document.getElementById("test_ws_explicit_frame");

+test_ws_explicit_frame.src = HOST + "file_websocket_explicit.html";

+

+</script>

+</body>

+</html>

diff --git a/dom/security/test/csp/test_worker_src.html b/dom/security/test/csp/test_worker_src.html
new file mode 100644
index 000000000..3f2b44c9f
--- /dev/null
+++ b/dom/security/test/csp/test_worker_src.html
@@ -0,0 +1,94 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Bug 1302667 - Test worker-src</title>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe style="width:100%;" id="worker-testframe"></iframe>
+<iframe style="width:100%;" id="child-testframe"></iframe>
+<iframe style="width:100%;" id="script-testframe"></iframe>
+
+<script class="testbody" type="text/javascript">
+
+SimpleTest.waitForExplicitFinish();
+
+/* Description of the test:
+ * We load a page inlcuding a worker, a shared worker as well as a
+ * service worker with a CSP of:
+ *   >> worker-src https://example.com; child-src 'none'; script-src 'nonce-foo'
+ * and make sure that worker-src governs these three kinds of workers correctly.
+ * In addition, we make sure that child-src as well as script-src is discarded
+ * in case worker-src is specified. Ideally we would use "script-src 'none'" but
+ * we have to whitelist the actual script that spawns the workers, hence the nonce.
+ */
+
+let testRuns = 0;
+let messageCounter = 0;
+let numberSubTests = 9; // 3 workers * 3 frames = 9
+
+function checkFinish() {
+  messageCounter = 0;
+  if (testRuns == 0) {
+  	testRuns++;
+   	runTests("https://test1.example.com/tests/dom/security/test/csp/")
+  	return;
+  }
+  window.removeEventListener("message", receiveMessage);
+  SimpleTest.finish();
+}
+
+window.addEventListener("message", receiveMessage);
+function receiveMessage(event) {
+  let href = event.data.href;
+  let result = event.data.result;
+
+  if (href.startsWith("https://example.com")) {
+  	if (result == "worker-allowed" ||
+  		  result == "shared-worker-allowed" ||
+  		  result == "service-worker-allowed") {
+  	  ok(true, "allowing worker from https://example.com (" + result + ")");
+  	}
+  	else {
+  	  ok(false, "blocking worker from https://example.com (" + result + ")");
+  	}
+  }
+  else if (href.startsWith("https://test1.example.com")) {
+  	if (result == "worker-blocked" ||
+  		  result == "shared-worker-blocked" ||
+  		  result == "service-worker-blocked") {
+  	  ok(true, "blocking worker from https://test1.example.com (" + result + ")");
+  	}
+  	else {
+  	  ok(false, "allowing worker from https://test1.example.com (" + result + ")");
+  	}
+  }
+  else {
+    // sanity check, we should never enter that branch, bust just in case...
+  	ok(false, "unexpected result: " + result);
+  }
+  messageCounter++;
+  if (messageCounter < numberSubTests) {
+  	return;
+  }
+  checkFinish();
+}
+
+function runTests(aPath) {
+  document.getElementById("worker-testframe").src = aPath + "file_worker_src_worker_governs.html";
+  document.getElementById("child-testframe").src = aPath + "file_worker_src_child_governs.html";
+  document.getElementById("script-testframe").src = aPath + "file_worker_src_script_governs.html";
+}
+
+SpecialPowers.pushPrefEnv({"set": [
+  ["dom.serviceWorkers.enabled", true],
+  ["dom.serviceWorkers.testing.enabled", true],
+]}, function() {
+  runTests("https://example.com/tests/dom/security/test/csp/");
+});
+
+</script>
+</body>
+</html>
diff --git a/dom/security/test/gtest/TestCSPParser.cpp b/dom/security/test/gtest/TestCSPParser.cpp
index fafa7b5d9..893e02db5 100644
--- a/dom/security/test/gtest/TestCSPParser.cpp
+++ b/dom/security/test/gtest/TestCSPParser.cpp
@@ -204,6 +204,8 @@ TEST(CSPParser, Directives)
 {
   static const PolicyTest policies[] =
   {
+    { "connect-src xn--mnchen-3ya.de",
+      "connect-src http://xn--mnchen-3ya.de"},
     { "default-src http://www.example.com",
       "default-src http://www.example.com" },
     { "script-src http://www.example.com",
@@ -238,6 +240,10 @@ TEST(CSPParser, Directives)
       "script-src 'nonce-foo' 'strict-dynamic' 'unsafe-inline' https:" },
     { "default-src 'sha256-siVR8' 'strict-dynamic' 'unsafe-inline' https:  ",
       "default-src 'sha256-siVR8' 'unsafe-inline' https:" },
+    { "worker-src https://example.com",
+      "worker-src https://example.com" },
+    { "worker-src http://worker.com; frame-src http://frame.com; child-src http://child.com",
+      "worker-src http://worker.com; frame-src http://frame.com; child-src http://child.com" },
   };
 
   uint32_t policyCount = sizeof(policies) / sizeof(PolicyTest);
diff --git a/dom/svg/DOMSVGPathSegList.cpp b/dom/svg/DOMSVGPathSegList.cpp
index edacdfc93..0b811cdb1 100644
--- a/dom/svg/DOMSVGPathSegList.cpp
+++ b/dom/svg/DOMSVGPathSegList.cpp
@@ -460,6 +460,18 @@ DOMSVGPathSegList::ReplaceItem(DOMSVGPathSeg& aNewItem,
   float segAsRaw[1 + NS_SVG_PATH_SEG_MAX_ARGS];
   domItem->ToSVGPathSegEncodedData(segAsRaw);
 
+  if (AnimListMirrorsBaseList()) {
+    // The anim val list is in sync with the base val list - remove mirroring
+    // animVal item if necessary.  We do this *before* touching InternalList()
+    // so the removed item can correctly store its internal value.
+    DOMSVGPathSegList* animVal =
+      GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
+    if (animVal->ItemAt(aIndex)) {
+      animVal->ItemAt(aIndex)->RemovingFromList();
+      animVal->ItemAt(aIndex) = nullptr;
+    }
+  }
+
   if (!InternalList().mData.ReplaceElementsAt(internalIndex, 1 + oldArgCount,
                                               segAsRaw, 1 + newArgCount,
                                               fallible)) {
@@ -474,8 +486,13 @@ DOMSVGPathSegList::ReplaceItem(DOMSVGPathSeg& aNewItem,
 
   int32_t delta = newArgCount - oldArgCount;
   if (delta != 0) {
-    for (uint32_t i = aIndex + 1; i < LengthNoFlush(); ++i) {
-      mItems[i].mInternalDataIndex += delta;
+    // Sync up the internal indexes of all ItemProxys that come after aIndex:
+    UpdateListIndicesFromIndex(aIndex + 1, delta);
+    if (AnimListMirrorsBaseList()) {
+      // The anim val list is in sync with the base val list
+      DOMSVGPathSegList* animVal =
+        GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
+      animVal->UpdateListIndicesFromIndex(aIndex + 1, delta);
     }
   }
 
diff --git a/dom/svg/SVGGradientElement.cpp b/dom/svg/SVGGradientElement.cpp
index 1bcac67e6..93767c934 100644
--- a/dom/svg/SVGGradientElement.cpp
+++ b/dom/svg/SVGGradientElement.cpp
@@ -198,13 +198,14 @@ SVGRadialGradientElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenP
   return SVGRadialGradientElementBinding::Wrap(aCx, this, aGivenProto);
 }
 
-nsSVGElement::LengthInfo SVGRadialGradientElement::sLengthInfo[5] =
+nsSVGElement::LengthInfo SVGRadialGradientElement::sLengthInfo[6] =
 {
   { &nsGkAtoms::cx, 50, nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE, SVGContentUtils::X },
   { &nsGkAtoms::cy, 50, nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE, SVGContentUtils::Y },
   { &nsGkAtoms::r, 50, nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE, SVGContentUtils::XY },
   { &nsGkAtoms::fx, 50, nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE, SVGContentUtils::X },
   { &nsGkAtoms::fy, 50, nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE, SVGContentUtils::Y },
+  { &nsGkAtoms::fr, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE, SVGContentUtils::XY },
 };
 
 //----------------------------------------------------------------------
@@ -252,6 +253,12 @@ SVGRadialGradientElement::Fy()
   return mLengthAttributes[ATTR_FY].ToDOMAnimatedLength(this);
 }
 
+already_AddRefed<SVGAnimatedLength>
+SVGRadialGradientElement::Fr()
+{
+  return mLengthAttributes[ATTR_FR].ToDOMAnimatedLength(this);
+}
+
 //----------------------------------------------------------------------
 // nsSVGElement methods
 
diff --git a/dom/svg/SVGGradientElement.h b/dom/svg/SVGGradientElement.h
index 7b2c6b220..ce9f3b4b1 100644
--- a/dom/svg/SVGGradientElement.h
+++ b/dom/svg/SVGGradientElement.h
@@ -139,13 +139,14 @@ public:
   already_AddRefed<SVGAnimatedLength> R();
   already_AddRefed<SVGAnimatedLength> Fx();
   already_AddRefed<SVGAnimatedLength> Fy();
+  already_AddRefed<SVGAnimatedLength> Fr();
 protected:
 
   virtual LengthAttributesInfo GetLengthInfo() override;
 
-  enum { ATTR_CX, ATTR_CY, ATTR_R, ATTR_FX, ATTR_FY };
-  nsSVGLength2 mLengthAttributes[5];
-  static LengthInfo sLengthInfo[5];
+  enum { ATTR_CX, ATTR_CY, ATTR_R, ATTR_FX, ATTR_FY, ATTR_FR };
+  nsSVGLength2 mLengthAttributes[6];
+  static LengthInfo sLengthInfo[6];
 };
 
 } // namespace dom
diff --git a/dom/tests/browser/browser.ini b/dom/tests/browser/browser.ini
index 35ebd56c6..4d3a60a2c 100644..100755
--- a/dom/tests/browser/browser.ini
+++ b/dom/tests/browser/browser.ini
@@ -8,6 +8,7 @@ support-files =
   worker_bug1004814.js
   geo_leak_test.html
   dummy.html
+  file_workerPerformance.js
   test_largeAllocation.html
   test_largeAllocation.html^headers^
   !/dom/tests/mochitest/geolocation/network_geolocation.sjs
@@ -44,3 +45,4 @@ support-files =
 support-files =
   test_new_window_from_content_child.html
 [browser_xhr_sandbox.js]
+[browser_performanceAPI.js]
diff --git a/dom/tests/browser/browser_performanceAPI.js b/dom/tests/browser/browser_performanceAPI.js
new file mode 100755
index 000000000..2c28fe3d1
--- /dev/null
+++ b/dom/tests/browser/browser_performanceAPI.js
@@ -0,0 +1,139 @@
+/**
+ * Bug 1369303 - A test for making sure that performance APIs have been correctly
+ *   spoofed or disabled.
+ */
+
+const TEST_PATH = "http://example.net/browser/" +
+                  "dom/tests/browser/";
+
+const PERFORMANCE_TIMINGS = [
+  "navigationStart",
+  "unloadEventStart",
+  "unloadEventEnd",
+  "redirectStart",
+  "redirectEnd",
+  "fetchStart",
+  "domainLookupStart",
+  "domainLookupEnd",
+  "connectStart",
+  "connectEnd",
+  "requestStart",
+  "responseStart",
+  "responseEnd",
+  "domLoading",
+  "domInteractive",
+  "domContentLoadedEventStart",
+  "domContentLoadedEventEnd",
+  "domComplete",
+  "loadEventStart",
+  "loadEventEnd",
+];
+
+let isRounded = (x, expectedPrecision) => {
+  let rounded = (Math.floor(x / expectedPrecision) * expectedPrecision);
+  // First we do the perfectly normal check that should work just fine
+  if (rounded === x || x === 0)
+    return true;
+
+  // When we're diving by non-whole numbers, we may not get perfect
+  // multiplication/division because of floating points
+  if (Math.abs(rounded - x + expectedPrecision) < .0000001) {
+    return true;
+  } else if (Math.abs(rounded - x) < .0000001) {
+    return true;
+  }
+
+  // Then we handle the case where you're sub-millisecond and the timer is not
+  // We check that the timer is not sub-millisecond by assuming it is not if it
+  // returns an even number of milliseconds
+  if (expectedPrecision < 1 && Math.round(x) == x) {
+    if (Math.round(rounded) == x) {
+      return true;
+    }
+  }
+
+  ok(false, "Looming Test Failure, Additional Debugging Info: Expected Precision: " + expectedPrecision + " Measured Value: " + x +
+    " Rounded Vaue: " + rounded + " Fuzzy1: " + Math.abs(rounded - x + expectedPrecision) +
+    " Fuzzy 2: " + Math.abs(rounded - x));
+
+  return false;
+};
+
+// ================================================================================================
+// ================================================================================================
+add_task(function* () {
+  let tab = yield BrowserTestUtils.openNewForegroundTab(
+    gBrowser, TEST_PATH + "dummy.html");
+
+  yield ContentTask.spawn(tab.linkedBrowser, {
+      list: PERFORMANCE_TIMINGS,
+      precision: 2,
+      isRoundedFunc: isRounded.toString()
+    }, (data) => {
+    let timerlist = data.list;
+    let expectedPrecision = data.precision;
+    // eslint beleives that isrounded is available in this scope, but if you
+    // remove the assignment, you will see it is not
+    // eslint-disable-next-line
+    let isRounded = eval(data.isRoundedFunc);
+
+    // Check that whether the performance timing API is correctly spoofed.
+    for (let time of timerlist) {
+      ok(isRounded(content.performance.timing[time], expectedPrecision), `For reduceTimerPrecision(` + expectedPrecision + `), the timing(${time}) is not correctly rounded: ` + content.performance.timing[time]);
+    }
+
+    // Try to add some entries.
+    content.performance.mark("Test");
+    content.performance.mark("Test-End");
+    content.performance.measure("Test-Measure", "Test", "Test-End");
+
+    // Check the entries for performance.getEntries/getEntriesByType/getEntriesByName.
+    is(content.performance.getEntries().length, 3, "For reduceTimerPrecision, there should be 3 entries for performance.getEntries()");
+    for (var i = 0; i < 3; i++) {
+      let startTime = content.performance.getEntries()[i].startTime;
+      let duration = content.performance.getEntries()[i].duration;
+      ok(isRounded(startTime, expectedPrecision), "For reduceTimerPrecision(" + expectedPrecision + "), performance.getEntries(" + i + ").startTime is not rounded: " + startTime);
+      ok(isRounded(duration, expectedPrecision), "For reduceTimerPrecision(" + expectedPrecision + "), performance.getEntries(" + i + ").duration is not rounded: " + duration);
+    }
+    is(content.performance.getEntriesByType("mark").length, 2, "For reduceTimerPrecision, there should be 2 entries for performance.getEntriesByType()");
+    is(content.performance.getEntriesByName("Test", "mark").length, 1, "For reduceTimerPrecision, there should be 1 entry for performance.getEntriesByName()");
+    content.performance.clearMarks();
+    content.performance.clearMeasures();
+    content.performance.clearResourceTimings();
+  });
+  gBrowser.removeTab(tab);
+});
+
+// ================================================================================================
+// ================================================================================================
+add_task(function*() {
+  let tab = yield BrowserTestUtils.openNewForegroundTab(
+    gBrowser, TEST_PATH + "dummy.html");
+
+  yield ContentTask.spawn(tab.linkedBrowser, {
+    list: PERFORMANCE_TIMINGS,
+    precision: 2,
+    isRoundedFunc: isRounded.toString()
+  }, (data) => {
+    let expectedPrecision = data.precision;
+    let workerCall = data.workerCall;
+    return new Promise(resolve => {
+      let worker = new content.Worker("file_workerPerformance.js");
+      worker.onmessage = function(e) {
+        if (e.data.type == "status") {
+          ok(e.data.status, e.data.msg);
+        } else if (e.data.type == "finish") {
+          worker.terminate();
+          resolve();
+        } else {
+          ok(false, "Unknown message type");
+          worker.terminate();
+          resolve();
+        }
+      };
+    worker.postMessage({precision: expectedPrecision});
+    });
+  });
+
+  gBrowser.removeTab(tab);
+});
diff --git a/dom/tests/browser/file_workerPerformance.js b/dom/tests/browser/file_workerPerformance.js
new file mode 100755
index 000000000..c77ba4377
--- /dev/null
+++ b/dom/tests/browser/file_workerPerformance.js
@@ -0,0 +1,65 @@
+function ok(a, msg) {
+  postMessage({type: "status", status: !!a, msg});
+}
+
+function is(a, b, msg) {
+  ok(a === b, msg);
+}
+
+function finish() {
+  postMessage({type: "finish"});
+}
+
+let isRounded = (x, expectedPrecision) => {
+  let rounded = (Math.floor(x / expectedPrecision) * expectedPrecision);
+  // First we do the perfectly normal check that should work just fine
+  if (rounded === x || x === 0)
+    return true;
+
+  // When we're diving by non-whole numbers, we may not get perfect
+  // multiplication/division because of floating points
+  if (Math.abs(rounded - x + expectedPrecision) < .0000001) {
+    return true;
+  } else if (Math.abs(rounded - x) < .0000001) {
+    return true;
+  }
+
+  // Then we handle the case where you're sub-millisecond and the timer is not
+  // We check that the timer is not sub-millisecond by assuming it is not if it
+  // returns an even number of milliseconds
+  if (expectedPrecision < 1 && Math.round(x) == x) {
+    if (Math.round(rounded) == x) {
+      return true;
+    }
+  }
+
+  ok(false, "Looming Test Failure, Additional Debugging Info: Expected Precision: " + expectedPrecision + " Measured Value: " + x +
+    " Rounded Vaue: " + rounded + " Fuzzy1: " + Math.abs(rounded - x + expectedPrecision) +
+    " Fuzzy 2: " + Math.abs(rounded - x));
+
+  return false;
+};
+
+function runRTPTests(expectedPrecision) {
+  // Try to add some entries.
+  performance.mark("Test");
+  performance.mark("Test-End");
+  performance.measure("Test-Measure", "Test", "Test-End");
+
+  // Check the entries in performance.getEntries/getEntriesByType/getEntriesByName.
+  is(performance.getEntries().length, 3, "In a worker, for reduceTimerPrecision: Incorrect number of entries for performance.getEntries() for workers: " + performance.getEntries().length);
+  for (var i = 0; i < 3; i++) {
+    let startTime = performance.getEntries()[i].startTime;
+    let duration = performance.getEntries()[i].duration;
+    ok(isRounded(startTime, expectedPrecision), "In a worker, for reduceTimerPrecision(" + expectedPrecision + "), performance.getEntries(" + i.toString() + ").startTime is not rounded: " + startTime.toString());
+    ok(isRounded(duration, expectedPrecision), "In a worker, for reduceTimerPrecision(" + expectedPrecision + "), performance.getEntries(" + i.toString() + ").duration is not rounded: " + duration.toString());
+  }
+  is(performance.getEntriesByType("mark").length, 2, "In a worker, for reduceTimerPrecision: Incorrect number of entries for performance.getEntriesByType() for workers: " + performance.getEntriesByType("resource").length);
+  is(performance.getEntriesByName("Test", "mark").length, 1, "In a worker, for reduceTimerPrecision: Incorrect number of entries for performance.getEntriesByName() for workers: " + performance.getEntriesByName("Test", "mark").length);
+
+  finish();
+}
+
+self.onmessage = function(e) {
+  runRTPTests(e.data.precision);
+};
diff --git a/dom/tests/mochitest/general/mochitest.ini b/dom/tests/mochitest/general/mochitest.ini
index d59527801..d00ea1d4b 100644..100755
--- a/dom/tests/mochitest/general/mochitest.ini
+++ b/dom/tests/mochitest/general/mochitest.ini
@@ -43,6 +43,8 @@ support-files =
   frameStoragePrevented.html
   frameStorageChrome.html
   frameStorageNullprincipal.sjs
+  worker_child.js
+  worker_grandchild.js
   workerStorageAllowed.js
   workerStoragePrevented.js
   storagePermissionsUtils.js
@@ -108,6 +110,7 @@ support-files = test_offsets.js
 [test_picture_mutations.html]
 [test_pointerPreserves3D.html]
 [test_pointerPreserves3DClip.html]
+[test_reduce_time_precision.html]
 [test_resource_timing.html]
 [test_resource_timing_cross_origin.html]
 [test_resource_timing_frameset.html]
diff --git a/dom/tests/mochitest/general/test_domWindowUtils_scrollXY.html b/dom/tests/mochitest/general/test_domWindowUtils_scrollXY.html
index c6ee89ee3..cf27e5d87 100644
--- a/dom/tests/mochitest/general/test_domWindowUtils_scrollXY.html
+++ b/dom/tests/mochitest/general/test_domWindowUtils_scrollXY.html
@@ -31,13 +31,13 @@
       function checkGetScrollXYState(flush, vals, testName) {
         let scrollX = {}, scrollY = {};
         domWindowUtils.getScrollXY(flush, scrollX, scrollY);
-        is(scrollX.value, vals[0], "getScrollXY x for test: " + testName);
-        is(scrollY.value, vals[1], "getScrollXY y for test: " + testName);
+        is(Math.round(scrollX.value), vals[0], "getScrollXY x for test: " + testName);
+        is(Math.round(scrollY.value), vals[1], "getScrollXY y for test: " + testName);
       }
 
       function checkWindowScrollState(vals, testName) {
-        is(cwindow.scrollX, vals[0], "scrollX for test: " + testName);
-        is(cwindow.scrollY, vals[1], "scrollY for test: " + testName);
+        is(Math.round(cwindow.scrollX), vals[0], "scrollX for test: " + testName);
+        is(Math.round(cwindow.scrollY), vals[1], "scrollY for test: " + testName);
       }
 
       // Check initial state (0, 0)
@@ -67,8 +67,8 @@
       let scrollX = {}, scrollY = {};
       domWindowUtils.getScrollXY(false, scrollX, scrollY);
 
-      is(scrollX.value, 0, "scrollX is zero for display:none iframe");
-      is(scrollY.value, 0, "scrollY is zero for display:none iframe");
+      is(Math.round(scrollX.value), 0, "scrollX is zero for display:none iframe");
+      is(Math.round(scrollY.value), 0, "scrollY is zero for display:none iframe");
     }
 
     SimpleTest.waitForExplicitFinish();
diff --git a/dom/tests/mochitest/general/test_reduce_time_precision.html b/dom/tests/mochitest/general/test_reduce_time_precision.html
new file mode 100755
index 000000000..6f149f28d
--- /dev/null
+++ b/dom/tests/mochitest/general/test_reduce_time_precision.html
@@ -0,0 +1,143 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+Tor bug
+https://trac.torproject.org/projects/tor/ticket/1517
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Tor Bug 1517 and Mozilla Bug 1424341</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="application/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://trac.torproject.org/projects/tor/ticket/1517">Tor Bug 1517</a>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1424341">Mozilla Bug 1424341</a>
+
+<!-- Canvas for testing 'currentTime' -->
+<canvas id="test-canvas" width="100" height="100"></canvas>
+
+<!-- The main testing script -->
+<script type="application/javascript">
+  SimpleTest.requestFlakyTimeout("testing JS time-based fingerprinting");
+
+  // Prepare for test of AudioContext.currentTime
+  let audioContext = new AudioContext();
+  // Prepare for test of CanvasStream.currentTime
+  let canvas = document.getElementById("test-canvas");
+  let context = canvas.getContext("2d");
+  context.fillText("test", 20, 20);
+  let canvasStream = canvas.captureStream(25);
+
+  // Known ways to generate time stamps, in milliseconds
+  const timeStampCodes = [
+    "performance.now()",
+    "new Date().getTime()",
+    "new Event(\"\").timeStamp",
+    "new File([], \"\").lastModified",
+    "new File([], \"\").lastModifiedDate.getTime()",
+  ];
+  // These are measured in seconds, so we need to scale them up
+  var timeStampCodesDOM = timeStampCodes.concat([
+    "audioContext.currentTime * 1000",
+    "canvasStream.currentTime * 1000",
+  ]);
+
+  let isRounded = (x) => {
+    expectedPrecision = 2;
+    let rounded = (Math.floor(x / expectedPrecision) * expectedPrecision);
+    // First we do the perfectly normal check that should work just fine
+    if (rounded === x || x === 0)
+      return true;
+
+  // When we're diving by non-whole numbers, we may not get perfect
+  // multiplication/division because of floating points.
+  // When dealing with ms since epoch, a double's precision is on the order
+  // of 1/5 of a microsecond, so we use a value a little higher than that as
+  // our epsilon.
+  // To be clear, this error is introduced in our re-calculation of 'rounded'
+  // above in JavaScript.
+  if (Math.abs(rounded - x + expectedPrecision) < .0005) {
+    return true;
+  } else if (Math.abs(rounded - x) < .0005) {
+    return true;
+  }
+
+    // Then we handle the case where you're sub-millisecond and the timer is not
+    // We check that the timer is not sub-millisecond by assuming it is not if it
+    // returns an even number of milliseconds
+    if (expectedPrecision < 1 && Math.round(x) == x) {
+      if (Math.round(rounded) == x) {
+        return true;
+      }
+    }
+
+    ok(false, "Looming Test Failure, Additional Debugging Info: Expected Precision: " + expectedPrecision + " Measured Value: " + x +
+      " Rounded Vaue: " + rounded + " Fuzzy1: " + Math.abs(rounded - x + expectedPrecision) +
+      " Fuzzy 2: " + Math.abs(rounded - x));
+
+    return false;
+  };
+
+  // ================================================================================================
+  // ================================================================================================
+
+  function* checkWorker(worker) {
+    // The child worker will send the results back.
+    let checkWorkerTimeStamps = () => new Promise(function(resolve) {
+      let onMessage = function(event) {
+        worker.removeEventListener("message", onMessage);
+
+        let timeStamps = event.data;
+        for (let i = 0; i < timeStampCodes.length; i++) {
+          let timeStamp = timeStamps[i];
+          ok(isRounded(timeStamp),
+             "'" + timeStampCodes[i] +
+             "' should be rounded to nearest 2 ms in workers; saw " +
+             timeStamp);
+        }
+        resolve();
+      };
+      worker.addEventListener("message", onMessage);
+    });
+
+    // Send the codes to its child worker.
+    worker.postMessage(timeStampCodes);
+
+    // First, check the child's results.
+    yield checkWorkerTimeStamps();
+    // Then, check the grandchild's results.
+    yield checkWorkerTimeStamps();
+
+    worker.terminate();
+  }
+
+  add_task(function*() {
+    let worker = new Worker("worker_child.js");
+    // Allow ~550 ms to elapse, so we can get non-zero
+    // time values for all elements.
+    yield new Promise(resolve => window.setTimeout(resolve, 550));
+    yield checkWorker(worker);
+  });
+
+  // ================================================================================================
+  // ================================================================================================
+
+
+  add_task(function*() {
+    // Loop through each timeStampCode, evaluate it,
+    // and check if it is rounded
+    for (let timeStampCode of timeStampCodesDOM) {
+      let timeStamp = eval(timeStampCode);
+      ok(isRounded(timeStamp),
+         "'" + timeStampCode + "' should be rounded to nearest 2ms" +
+         " saw " + timeStamp);
+    }
+  });
+
+</script>
+
+
+</body>
+</html>
diff --git a/dom/tests/mochitest/general/worker_child.js b/dom/tests/mochitest/general/worker_child.js
new file mode 100755
index 000000000..fa340fc65
--- /dev/null
+++ b/dom/tests/mochitest/general/worker_child.js
@@ -0,0 +1,28 @@
+let timeStampCodes;
+let worker = new Worker("worker_grandchild.js");
+
+function listenToParent(event) {
+  self.removeEventListener("message", listenToParent);
+  timeStampCodes = event.data;
+
+  let timeStamps = [];
+  for (let timeStampCode of timeStampCodes) {
+    timeStamps.push(eval(timeStampCode));
+  }
+  // Send the timeStamps to the parent.
+  postMessage(timeStamps);
+
+  // Tell the grandchild to start.
+  worker.postMessage(timeStampCodes);
+}
+
+// The worker grandchild will send results back.
+function listenToChild(event) {
+  worker.removeEventListener("message", listenToChild);
+  // Pass the results to the parent.
+  postMessage(event.data);
+  worker.terminate();
+}
+
+worker.addEventListener("message", listenToChild);
+self.addEventListener("message", listenToParent);
diff --git a/dom/tests/mochitest/general/worker_grandchild.js b/dom/tests/mochitest/general/worker_grandchild.js
new file mode 100755
index 000000000..cd21508b2
--- /dev/null
+++ b/dom/tests/mochitest/general/worker_grandchild.js
@@ -0,0 +1,10 @@
+self.addEventListener("message", function(event) {
+  let timeStampCodes = event.data;
+
+  let timeStamps = [];
+  for (let timeStampCode of timeStampCodes) {
+    timeStamps.push(eval(timeStampCode));
+  }
+  // Send the timeStamps to the parent.
+  postMessage(timeStamps);
+});
diff --git a/dom/url/URL.h b/dom/url/URL.h
index 16b4678ba..45e4dd289 100644
--- a/dom/url/URL.h
+++ b/dom/url/URL.h
@@ -155,6 +155,12 @@ public:
     GetHref(aRetval, aRv);
   }
 
+  void
+  ToJSON(nsAString& aResult, ErrorResult& aRv) const
+  {
+    GetHref(aResult, aRv);
+  }
+
   // URLSearchParamsObserver
   void
   URLSearchParamsUpdated(URLSearchParams* aSearchParams) override;
diff --git a/dom/url/tests/test_url.html b/dom/url/tests/test_url.html
index 3f3f727d6..d07a752bb 100644
--- a/dom/url/tests/test_url.html
+++ b/dom/url/tests/test_url.html
@@ -438,5 +438,11 @@
     url = new URL("data:text/html,<a href=\"http://example.org/?q\">Link</a>");
     is(url.href, "data:text/html,<a%20href=\"http://example.org/?q\">Link</a>");
   </script>
+
+  <script>
+    var u = new URL('http://www.example.org');
+    ok(u.toJSON(), 'http://www.example.org', "URL.toJSON()");
+    is(JSON.stringify(u), "\"http://www.example.org/\"", "JSON.stringify(u) works");
+  </script>
 </body>
 </html>
diff --git a/dom/webidl/CSPDictionaries.webidl b/dom/webidl/CSPDictionaries.webidl
index 54008f13a..f8de1c9ad 100644
--- a/dom/webidl/CSPDictionaries.webidl
+++ b/dom/webidl/CSPDictionaries.webidl
@@ -30,6 +30,7 @@ dictionary CSP {
   sequence<DOMString> block-all-mixed-content;
   sequence<DOMString> require-sri-for;
   sequence<DOMString> sandbox;
+  sequence<DOMString> worker-src;
 };
 
 dictionary CSPPolicies {
diff --git a/dom/webidl/Document.webidl b/dom/webidl/Document.webidl
index c895fad39..f05656e84 100644
--- a/dom/webidl/Document.webidl
+++ b/dom/webidl/Document.webidl
@@ -275,10 +275,11 @@ partial interface Document {
     object registerElement(DOMString name, optional ElementRegistrationOptions options);
 };
 
-// http://dvcs.w3.org/hg/webperf/raw-file/tip/specs/PageVisibility/Overview.html#sec-document-interface
+// https://w3c.github.io/page-visibility/#extensions-to-the-document-interface
 partial interface Document {
   readonly attribute boolean hidden;
   readonly attribute VisibilityState visibilityState;
+           attribute EventHandler onvisibilitychange;
 };
 
 // http://dev.w3.org/csswg/cssom/#extensions-to-the-document-interface
diff --git a/dom/webidl/HTMLButtonElement.webidl b/dom/webidl/HTMLButtonElement.webidl
index c50e09ae0..579efa39c 100644
--- a/dom/webidl/HTMLButtonElement.webidl
+++ b/dom/webidl/HTMLButtonElement.webidl
@@ -44,6 +44,5 @@ interface HTMLButtonElement : HTMLElement {
   boolean reportValidity();
   void setCustomValidity(DOMString error);
 
-// Not yet implemented:
-//  readonly attribute NodeList labels;
+  readonly attribute NodeList labels;
 };
diff --git a/dom/webidl/HTMLInputElement.webidl b/dom/webidl/HTMLInputElement.webidl
index 99da49ca2..b2546fcca 100644
--- a/dom/webidl/HTMLInputElement.webidl
+++ b/dom/webidl/HTMLInputElement.webidl
@@ -111,7 +111,7 @@ interface HTMLInputElement : HTMLElement {
   boolean reportValidity();
   void setCustomValidity(DOMString error);
 
-  // Bug 850365 readonly attribute NodeList labels;
+  readonly attribute NodeList? labels;
 
   void select();
 
diff --git a/dom/webidl/HTMLMediaElement.webidl b/dom/webidl/HTMLMediaElement.webidl
index 456579ec1..313686dac 100644
--- a/dom/webidl/HTMLMediaElement.webidl
+++ b/dom/webidl/HTMLMediaElement.webidl
@@ -153,6 +153,7 @@ partial interface HTMLMediaElement {
   attribute EventHandler onmozinterruptend;
 };
 
+#ifdef MOZ_EME
 // Encrypted Media Extensions
 partial interface HTMLMediaElement {
   [Pref="media.eme.apiVisible"]
@@ -168,6 +169,7 @@ partial interface HTMLMediaElement {
   [Pref="media.eme.apiVisible"]
   attribute EventHandler onwaitingforkey;
 };
+#endif
 
 // This is just for testing
 partial interface HTMLMediaElement {
diff --git a/dom/webidl/HTMLMeterElement.webidl b/dom/webidl/HTMLMeterElement.webidl
index 1f80764e9..104e00353 100644
--- a/dom/webidl/HTMLMeterElement.webidl
+++ b/dom/webidl/HTMLMeterElement.webidl
@@ -26,8 +26,5 @@ interface HTMLMeterElement : HTMLElement {
            [SetterThrows]
            attribute double optimum;
 
-  /**
-   * The labels attribute will be done with bug 556743.
-   */
-  //readonly attribute NodeList labels;
+           readonly attribute NodeList labels;
 };
diff --git a/dom/webidl/HTMLOutputElement.webidl b/dom/webidl/HTMLOutputElement.webidl
index 05dcf1800..d0e4ecbe6 100644
--- a/dom/webidl/HTMLOutputElement.webidl
+++ b/dom/webidl/HTMLOutputElement.webidl
@@ -33,6 +33,5 @@ interface HTMLOutputElement : HTMLElement {
   boolean reportValidity();
   void setCustomValidity(DOMString error);
 
-// Not yet implemented (bug 556743).
-//  readonly attribute NodeList labels;
+  readonly attribute NodeList labels;
 };
diff --git a/dom/webidl/HTMLProgressElement.webidl b/dom/webidl/HTMLProgressElement.webidl
index 3d1000d22..028728e22 100644
--- a/dom/webidl/HTMLProgressElement.webidl
+++ b/dom/webidl/HTMLProgressElement.webidl
@@ -17,9 +17,5 @@ interface HTMLProgressElement : HTMLElement {
            [SetterThrows]
            attribute double max;
   readonly attribute double position;
-
-  /**
-   * The labels attribute will be done with bug 567740.
-   */
-  //readonly attribute NodeList labels;
+  readonly attribute NodeList labels;
 };
diff --git a/dom/webidl/HTMLSelectElement.webidl b/dom/webidl/HTMLSelectElement.webidl
index 74fc7b2cf..b18ca3634 100644
--- a/dom/webidl/HTMLSelectElement.webidl
+++ b/dom/webidl/HTMLSelectElement.webidl
@@ -53,7 +53,7 @@ interface HTMLSelectElement : HTMLElement {
   boolean reportValidity();
   void setCustomValidity(DOMString error);
 
-// NYI:  readonly attribute NodeList labels;
+  readonly attribute NodeList labels;
 
   // https://www.w3.org/Bugs/Public/show_bug.cgi?id=20720
   void remove();
diff --git a/dom/webidl/HTMLTextAreaElement.webidl b/dom/webidl/HTMLTextAreaElement.webidl
index b1005ed42..4df687a0b 100644
--- a/dom/webidl/HTMLTextAreaElement.webidl
+++ b/dom/webidl/HTMLTextAreaElement.webidl
@@ -57,7 +57,7 @@ interface HTMLTextAreaElement : HTMLElement {
   boolean reportValidity();
   void setCustomValidity(DOMString error);
 
-  // readonly attribute NodeList labels;
+  readonly attribute NodeList labels;
 
   void select();
   [Throws]
diff --git a/dom/webidl/Navigator.webidl b/dom/webidl/Navigator.webidl
index 56461e429..5452f3247 100644
--- a/dom/webidl/Navigator.webidl
+++ b/dom/webidl/Navigator.webidl
@@ -348,12 +348,14 @@ partial interface Navigator {
   readonly attribute LegacyMozTCPSocket mozTCPSocket;
 };
 
+#ifdef MOZ_EME
 partial interface Navigator {
   [Pref="media.eme.apiVisible", NewObject]
   Promise<MediaKeySystemAccess>
   requestMediaKeySystemAccess(DOMString keySystem,
                               sequence<MediaKeySystemConfiguration> supportedConfigurations);
 };
+#endif
 
 #ifdef NIGHTLY_BUILD
 partial interface Navigator {
diff --git a/dom/webidl/PerformanceTiming.webidl b/dom/webidl/PerformanceTiming.webidl
index f75a46b7c..e14201440 100644
--- a/dom/webidl/PerformanceTiming.webidl
+++ b/dom/webidl/PerformanceTiming.webidl
@@ -21,8 +21,7 @@ interface PerformanceTiming {
   readonly attribute unsigned long long domainLookupEnd;
   readonly attribute unsigned long long connectStart;
   readonly attribute unsigned long long connectEnd;
-  // secureConnectionStart will be implemneted in bug 772589
-  // readonly attribute unsigned long long secureConnectionStart;
+  readonly attribute unsigned long long secureConnectionStart;
   readonly attribute unsigned long long requestStart;
   readonly attribute unsigned long long responseStart;
   readonly attribute unsigned long long responseEnd;
diff --git a/dom/webidl/SVGRadialGradientElement.webidl b/dom/webidl/SVGRadialGradientElement.webidl
index d4a3724f6..8d7ce9016 100644
--- a/dom/webidl/SVGRadialGradientElement.webidl
+++ b/dom/webidl/SVGRadialGradientElement.webidl
@@ -21,5 +21,7 @@ interface SVGRadialGradientElement : SVGGradientElement {
   readonly attribute SVGAnimatedLength fx;
   [Constant]
   readonly attribute SVGAnimatedLength fy;
-  // readonly attribute SVGAnimatedLength fr;
+  // XXX: Bug 1242048
+  // [SameObject]
+  readonly attribute SVGAnimatedLength fr;
 };
diff --git a/dom/webidl/URL.webidl b/dom/webidl/URL.webidl
index 0baa9913c..4d491e1b3 100644
--- a/dom/webidl/URL.webidl
+++ b/dom/webidl/URL.webidl
@@ -44,9 +44,12 @@ interface URL {
            attribute USVString pathname;
   [Throws]
            attribute USVString search;
-  readonly attribute URLSearchParams searchParams;
+  [SameObject] readonly attribute URLSearchParams searchParams;
   [Throws]
            attribute USVString hash;
+
+  [Throws]
+  USVString toJSON();
 };
 
 partial interface URL {
diff --git a/dom/webidl/Window.webidl b/dom/webidl/Window.webidl
index 055a274cc..36b1f0313 100644
--- a/dom/webidl/Window.webidl
+++ b/dom/webidl/Window.webidl
@@ -182,14 +182,10 @@ partial interface Window {
   [ChromeOnly] void mozScrollSnap();
   // The four properties below are double per spec at the moment, but whether
   // that will continue is unclear.
-  //[Replaceable, Throws] readonly attribute double scrollX;
-  //[Replaceable, Throws] readonly attribute double pageXOffset;
-  //[Replaceable, Throws] readonly attribute double scrollY;
-  //[Replaceable, Throws] readonly attribute double pageYOffset;
-  [Replaceable, Throws] readonly attribute long scrollX;
-  [Replaceable, Throws] readonly attribute long pageXOffset;
-  [Replaceable, Throws] readonly attribute long scrollY;
-  [Replaceable, Throws] readonly attribute long pageYOffset;
+  [Replaceable, Throws] readonly attribute double scrollX;
+  [Throws] readonly attribute double pageXOffset;
+  [Replaceable, Throws] readonly attribute double scrollY;
+  [Throws] readonly attribute double pageYOffset;
 
   // client
   // These are writable because we allow chrome to write them.  And they need
diff --git a/dom/webidl/moz.build b/dom/webidl/moz.build
index f24c366e8..8682aee97 100644
--- a/dom/webidl/moz.build
+++ b/dom/webidl/moz.build
@@ -9,6 +9,7 @@ GENERATED_WEBIDL_FILES = [
 ]
 
 PREPROCESSED_WEBIDL_FILES = [
+    'HTMLMediaElement.webidl',
     'Navigator.webidl',
     'Node.webidl',
     'Promise.webidl',
@@ -210,7 +211,6 @@ WEBIDL_FILES = [
     'HTMLLIElement.webidl',
     'HTMLLinkElement.webidl',
     'HTMLMapElement.webidl',
-    'HTMLMediaElement.webidl',
     'HTMLMenuElement.webidl',
     'HTMLMenuItemElement.webidl',
     'HTMLMetaElement.webidl',
@@ -773,7 +773,7 @@ if CONFIG['MOZ_BUILD_APP'] in ['xulrunner'] or CONFIG['MOZ_PHOENIX'] or CONFIG['
         'BrowserFeedWriter.webidl',
     ]
 
-if CONFIG['MOZ_BUILD_APP'] in ['mobile/android', 'xulrunner'] or CONFIG['MOZ_PHOENIX']:
+if CONFIG['MOZ_PHOENIX'] or CONFIG['MOZ_FENNEC'] or CONFIG['MOZ_XULRUNNER']:
     WEBIDL_FILES += [
         'External.webidl',
     ]
diff --git a/dom/workers/RuntimeService.cpp b/dom/workers/RuntimeService.cpp
index 1f5616873..1739f3d31 100644
--- a/dom/workers/RuntimeService.cpp
+++ b/dom/workers/RuntimeService.cpp
@@ -301,7 +301,9 @@ LoadContextOptions(const char* aPrefName, void* /* aClosure */)
                 .setNativeRegExp(GetWorkerPref<bool>(NS_LITERAL_CSTRING("native_regexp")))
                 .setAsyncStack(GetWorkerPref<bool>(NS_LITERAL_CSTRING("asyncstack")))
                 .setWerror(GetWorkerPref<bool>(NS_LITERAL_CSTRING("werror")))
-                .setExtraWarnings(GetWorkerPref<bool>(NS_LITERAL_CSTRING("strict")));
+                .setExtraWarnings(GetWorkerPref<bool>(NS_LITERAL_CSTRING("strict")))
+                .setArrayProtoValues(GetWorkerPref<bool>(
+                      NS_LITERAL_CSTRING("array_prototype_values")));
 
   RuntimeService::SetDefaultContextOptions(contextOptions);
 
diff --git a/dom/workers/WorkerScope.cpp b/dom/workers/WorkerScope.cpp
index d9a987b62..54252e53b 100644
--- a/dom/workers/WorkerScope.cpp
+++ b/dom/workers/WorkerScope.cpp
@@ -968,11 +968,4 @@ IsDebuggerSandbox(JSObject* object)
     SimpleGlobalObject::GlobalType::WorkerDebuggerSandbox;
 }
 
-bool
-GetterOnlyJSNative(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
-{
-  JS_ReportErrorNumberASCII(aCx, js::GetErrorMessage, nullptr, JSMSG_GETTER_ONLY);
-  return false;
-}
-
 END_WORKERS_NAMESPACE
diff --git a/dom/workers/Workers.h b/dom/workers/Workers.h
index ad083d3b8..cd15a4d7c 100644
--- a/dom/workers/Workers.h
+++ b/dom/workers/Workers.h
@@ -362,14 +362,6 @@ IsDebuggerGlobal(JSObject* global);
 bool
 IsDebuggerSandbox(JSObject* object);
 
-// Throws the JSMSG_GETTER_ONLY exception.  This shouldn't be used going
-// forward -- getter-only properties should just use JS_PSG for the setter
-// (implying no setter at all), which will not throw when set in non-strict
-// code but will in strict code.  Old code should use this only for temporary
-// compatibility reasons.
-extern bool
-GetterOnlyJSNative(JSContext* aCx, unsigned aArgc, JS::Value* aVp);
-
 END_WORKERS_NAMESPACE
 
 #endif // mozilla_dom_workers_workers_h__
diff --git a/dom/xul/XULDocument.cpp b/dom/xul/XULDocument.cpp
index ae3cdb7eb..1dcb55aee 100644
--- a/dom/xul/XULDocument.cpp
+++ b/dom/xul/XULDocument.cpp
@@ -1919,26 +1919,26 @@ XULDocument::StartLayout(void)
 
 /* static */
 bool
-XULDocument::MatchAttribute(nsIContent* aContent,
+XULDocument::MatchAttribute(Element* aElement,
                             int32_t aNamespaceID,
                             nsIAtom* aAttrName,
                             void* aData)
 {
-    NS_PRECONDITION(aContent, "Must have content node to work with!");
+    NS_PRECONDITION(aElement, "Must have content node to work with!");
     nsString* attrValue = static_cast<nsString*>(aData);
     if (aNamespaceID != kNameSpaceID_Unknown &&
         aNamespaceID != kNameSpaceID_Wildcard) {
         return attrValue->EqualsLiteral("*") ?
-            aContent->HasAttr(aNamespaceID, aAttrName) :
-            aContent->AttrValueIs(aNamespaceID, aAttrName, *attrValue,
+            aElement->HasAttr(aNamespaceID, aAttrName) :
+            aElement->AttrValueIs(aNamespaceID, aAttrName, *attrValue,
                                   eCaseMatters);
     }
 
     // Qualified name match. This takes more work.
 
-    uint32_t count = aContent->GetAttrCount();
+    uint32_t count = aElement->GetAttrCount();
     for (uint32_t i = 0; i < count; ++i) {
-        const nsAttrName* name = aContent->GetAttrNameAt(i);
+        const nsAttrName* name = aElement->GetAttrNameAt(i);
         bool nameMatch;
         if (name->IsAtom()) {
             nameMatch = name->Atom() == aAttrName;
@@ -1950,7 +1950,7 @@ XULDocument::MatchAttribute(nsIContent* aContent,
 
         if (nameMatch) {
             return attrValue->EqualsLiteral("*") ||
-                aContent->AttrValueIs(name->NamespaceID(), name->LocalName(),
+                aElement->AttrValueIs(name->NamespaceID(), name->LocalName(),
                                       *attrValue, eCaseMatters);
         }
     }
diff --git a/dom/xul/XULDocument.h b/dom/xul/XULDocument.h
index a2f82bb89..06abb797f 100644
--- a/dom/xul/XULDocument.h
+++ b/dom/xul/XULDocument.h
@@ -180,7 +180,7 @@ public:
     NS_IMETHOD OnScriptCompileComplete(JSScript* aScript, nsresult aStatus) override;
 
     static bool
-    MatchAttribute(nsIContent* aContent,
+    MatchAttribute(Element* aContent,
                    int32_t aNameSpaceID,
                    nsIAtom* aAttrName,
                    void* aData);