moebius#161: The Performance Resource Timing (make timestamps be relative to startTime)

https://github.com/MoonchildProductions/moebius/pull/161

20 files changed, 520 insertions, 154 deletions

diff --git a/dom/base/nsContentUtils.cpp b/dom/base/nsContentUtils.cpp
index ef87a250e..bc8cea35a 100644
--- a/dom/base/nsContentUtils.cpp
+++ b/dom/base/nsContentUtils.cpp
@@ -281,6 +281,7 @@ bool nsContentUtils::sIsCutCopyAllowed = true;
 bool nsContentUtils::sIsFrameTimingPrefEnabled = false;
 bool nsContentUtils::sIsPerformanceTimingEnabled = false;
 bool nsContentUtils::sIsResourceTimingEnabled = false;
+bool nsContentUtils::sIsPerformanceNavigationTimingEnabled = false;
 bool nsContentUtils::sIsUserTimingLoggingEnabled = false;
 bool nsContentUtils::sIsExperimentalAutocompleteEnabled = false;
 bool nsContentUtils::sEncodeDecodeURLHash = false;
@@ -571,6 +572,9 @@ nsContentUtils::Init()
   Preferences::AddBoolVarCache(&sIsResourceTimingEnabled,
                                "dom.enable_resource_timing", true);
 
+  Preferences::AddBoolVarCache(&sIsPerformanceNavigationTimingEnabled,
+                               "dom.enable_performance_navigation_timing", true);
+
   Preferences::AddBoolVarCache(&sIsUserTimingLoggingEnabled,
                                "dom.performance.enable_user_timing_logging", false);
 
diff --git a/dom/base/nsContentUtils.h b/dom/base/nsContentUtils.h
index 0932f451e..9ae6d2155 100644
--- a/dom/base/nsContentUtils.h
+++ b/dom/base/nsContentUtils.h
@@ -2033,6 +2033,14 @@ public:
   }
 
   /*
+   * Returns true if the performance timing APIs are enabled.
+   */
+  static bool IsPerformanceNavigationTimingEnabled()
+  {
+    return sIsPerformanceNavigationTimingEnabled;
+  }
+
+  /*
    * Returns true if notification should be sent for peformance timing events.
    */
   static bool SendPerformanceTimingNotifications()
@@ -2825,6 +2833,7 @@ private:
   static uint32_t sHandlingInputTimeout;
   static bool sIsPerformanceTimingEnabled;
   static bool sIsResourceTimingEnabled;
+  static bool sIsPerformanceNavigationTimingEnabled;
   static bool sIsUserTimingLoggingEnabled;
   static bool sIsFrameTimingPrefEnabled;
   static bool sIsExperimentalAutocompleteEnabled;
diff --git a/dom/base/nsDOMNavigationTiming.cpp b/dom/base/nsDOMNavigationTiming.cpp
index 9b628e55a..32ce8a8cb 100644
--- a/dom/base/nsDOMNavigationTiming.cpp
+++ b/dom/base/nsDOMNavigationTiming.cpp
@@ -15,6 +15,7 @@
 #include "nsPrintfCString.h"
 #include "mozilla/dom/PerformanceNavigation.h"
 #include "mozilla/TimeStamp.h"
+#include "mozilla/Telemetry.h"
 
 using namespace mozilla;
 
@@ -32,24 +33,17 @@ nsDOMNavigationTiming::Clear()
 {
   mNavigationType = TYPE_RESERVED;
   mNavigationStartHighRes = 0;
-  mBeforeUnloadStart = 0;
-  mUnloadStart = 0;
-  mUnloadEnd = 0;
-  mLoadEventStart = 0;
-  mLoadEventEnd = 0;
-  mDOMLoading = 0;
-  mDOMInteractive = 0;
-  mDOMContentLoadedEventStart = 0;
-  mDOMContentLoadedEventEnd = 0;
-  mDOMComplete = 0;
-
-  mLoadEventStartSet = false;
-  mLoadEventEndSet = false;
-  mDOMLoadingSet = false;
-  mDOMInteractiveSet = false;
-  mDOMContentLoadedEventStartSet = false;
-  mDOMContentLoadedEventEndSet = false;
-  mDOMCompleteSet = false;
+  mBeforeUnloadStart = TimeStamp();
+  mUnloadStart = TimeStamp();
+  mUnloadEnd = TimeStamp();
+  mLoadEventStart = TimeStamp();
+  mLoadEventEnd = TimeStamp();
+  mDOMLoading = TimeStamp();
+  mDOMInteractive = TimeStamp();
+  mDOMContentLoadedEventStart = TimeStamp();
+  mDOMContentLoadedEventEnd = TimeStamp();
+  mDOMComplete = TimeStamp();
+
   mDocShellHasBeenActiveSinceNavigationStart = false;
 }
 
@@ -60,20 +54,15 @@ nsDOMNavigationTiming::TimeStampToDOM(TimeStamp aStamp) const
     return 0;
   }
 
-  TimeDuration duration = aStamp - mNavigationStartTimeStamp;
+  TimeDuration duration = aStamp - mNavigationStart;
   return GetNavigationStart() + static_cast<int64_t>(duration.ToMilliseconds());
 }
 
-DOMTimeMilliSec nsDOMNavigationTiming::DurationFromStart()
-{
-  return TimeStampToDOM(TimeStamp::Now());
-}
-
 void
 nsDOMNavigationTiming::NotifyNavigationStart(DocShellState aDocShellState)
 {
   mNavigationStartHighRes = (double)PR_Now() / PR_USEC_PER_MSEC;
-  mNavigationStartTimeStamp = TimeStamp::Now();
+  mNavigationStart = TimeStamp::Now();
   mDocShellHasBeenActiveSinceNavigationStart = (aDocShellState == DocShellState::eActive);
 }
 
@@ -89,7 +78,7 @@ nsDOMNavigationTiming::NotifyFetchStart(nsIURI* aURI, Type aNavigationType)
 void
 nsDOMNavigationTiming::NotifyBeforeUnload()
 {
-  mBeforeUnloadStart = DurationFromStart();
+  mBeforeUnloadStart = TimeStamp::Now();
 }
 
 void
@@ -102,105 +91,107 @@ nsDOMNavigationTiming::NotifyUnloadAccepted(nsIURI* aOldURI)
 void
 nsDOMNavigationTiming::NotifyUnloadEventStart()
 {
-  mUnloadStart = DurationFromStart();
+  mUnloadStart = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyUnloadEventEnd()
 {
-  mUnloadEnd = DurationFromStart();
+  mUnloadEnd = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyLoadEventStart()
 {
-  if (!mLoadEventStartSet) {
-    mLoadEventStart = DurationFromStart();
-    mLoadEventStartSet = true;
+  if (!mLoadEventStart.IsNull()) {
+    return;
   }
+  mLoadEventStart = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyLoadEventEnd()
 {
-  if (!mLoadEventEndSet) {
-    mLoadEventEnd = DurationFromStart();
-    mLoadEventEndSet = true;
+  if (!mLoadEventEnd.IsNull()) {
+    return;
   }
+  mLoadEventEnd = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::SetDOMLoadingTimeStamp(nsIURI* aURI, TimeStamp aValue)
 {
-  if (!mDOMLoadingSet) {
-    mLoadedURI = aURI;
-    mDOMLoading = TimeStampToDOM(aValue);
-    mDOMLoadingSet = true;
+  if (!mDOMLoading.IsNull()) {
+    return;
   }
+  mLoadedURI = aURI;
+  mDOMLoading = aValue;
 }
 
 void
 nsDOMNavigationTiming::NotifyDOMLoading(nsIURI* aURI)
 {
-  if (!mDOMLoadingSet) {
-    mLoadedURI = aURI;
-    mDOMLoading = DurationFromStart();
-    mDOMLoadingSet = true;
+  if (!mDOMLoading.IsNull()) {
+    return;
   }
+  mLoadedURI = aURI;
+  mDOMLoading = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyDOMInteractive(nsIURI* aURI)
 {
-  if (!mDOMInteractiveSet) {
-    mLoadedURI = aURI;
-    mDOMInteractive = DurationFromStart();
-    mDOMInteractiveSet = true;
+  if (!mDOMInteractive.IsNull()) {
+    return;
   }
+  mLoadedURI = aURI;
+  mDOMInteractive = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyDOMComplete(nsIURI* aURI)
 {
-  if (!mDOMCompleteSet) {
-    mLoadedURI = aURI;
-    mDOMComplete = DurationFromStart();
-    mDOMCompleteSet = true;
+  if (!mDOMComplete.IsNull()) {
+    return;
   }
+  mLoadedURI = aURI;
+  mDOMComplete = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyDOMContentLoadedStart(nsIURI* aURI)
 {
-  if (!mDOMContentLoadedEventStartSet) {
-    mLoadedURI = aURI;
-    mDOMContentLoadedEventStart = DurationFromStart();
-    mDOMContentLoadedEventStartSet = true;
+  if (!mDOMContentLoadedEventStart.IsNull()) {
+    return;
   }
+ 
+  mLoadedURI = aURI;
+  mDOMContentLoadedEventStart = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyDOMContentLoadedEnd(nsIURI* aURI)
 {
-  if (!mDOMContentLoadedEventEndSet) {
-    mLoadedURI = aURI;
-    mDOMContentLoadedEventEnd = DurationFromStart();
-    mDOMContentLoadedEventEndSet = true;
+  if (!mDOMContentLoadedEventEnd.IsNull()) {
+    return;
   }
+ 
+  mLoadedURI = aURI;
+  mDOMContentLoadedEventEnd = TimeStamp::Now();
 }
 
 void
 nsDOMNavigationTiming::NotifyNonBlankPaintForRootContentDocument()
 {
   MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(!mNavigationStartTimeStamp.IsNull());
+  MOZ_ASSERT(!mNavigationStart.IsNull());
 
-  if (!mNonBlankPaintTimeStamp.IsNull()) {
+  if (!mNonBlankPaint.IsNull()) {
     return;
   }
 
-  mNonBlankPaintTimeStamp = TimeStamp::Now();
-  TimeDuration elapsed = mNonBlankPaintTimeStamp - mNavigationStartTimeStamp;
+  mNonBlankPaint = TimeStamp::Now();
+  TimeDuration elapsed = mNonBlankPaint - mNavigationStart;
 
   if (profiler_is_active()) {
     nsAutoCString spec;
@@ -215,8 +206,8 @@ nsDOMNavigationTiming::NotifyNonBlankPaintForRootContentDocument()
 
   if (mDocShellHasBeenActiveSinceNavigationStart) {
     Telemetry::AccumulateTimeDelta(Telemetry::TIME_TO_NON_BLANK_PAINT_MS,
-                                   mNavigationStartTimeStamp,
-                                   mNonBlankPaintTimeStamp);
+                                   mNavigationStart,
+                                   mNonBlankPaint);
   }
 }
 
@@ -227,24 +218,24 @@ nsDOMNavigationTiming::NotifyDocShellStateChanged(DocShellState aDocShellState)
     (aDocShellState == DocShellState::eActive);
 }
 
-DOMTimeMilliSec
-nsDOMNavigationTiming::GetUnloadEventStart()
+mozilla::TimeStamp
+nsDOMNavigationTiming::GetUnloadEventStartTimeStamp() const
 {
   nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
   nsresult rv = ssm->CheckSameOriginURI(mLoadedURI, mUnloadedURI, false);
   if (NS_SUCCEEDED(rv)) {
     return mUnloadStart;
   }
-  return 0;
+  return mozilla::TimeStamp();
 }
 
-DOMTimeMilliSec
-nsDOMNavigationTiming::GetUnloadEventEnd()
+mozilla::TimeStamp
+nsDOMNavigationTiming::GetUnloadEventEndTimeStamp() const
 {
   nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
   nsresult rv = ssm->CheckSameOriginURI(mLoadedURI, mUnloadedURI, false);
   if (NS_SUCCEEDED(rv)) {
     return mUnloadEnd;
   }
-  return 0;
+  return mozilla::TimeStamp();
 }
diff --git a/dom/base/nsDOMNavigationTiming.h b/dom/base/nsDOMNavigationTiming.h
index 9babece96..3be2527ca 100644
--- a/dom/base/nsDOMNavigationTiming.h
+++ b/dom/base/nsDOMNavigationTiming.h
@@ -47,38 +47,91 @@ public:
 
   mozilla::TimeStamp GetNavigationStartTimeStamp() const
   {
-    return mNavigationStartTimeStamp;
+    return mNavigationStart;
+  }
+
+  DOMTimeMilliSec GetUnloadEventStart()
+  {
+    return TimeStampToDOM(GetUnloadEventStartTimeStamp());
+  }
+
+  DOMTimeMilliSec GetUnloadEventEnd()
+  {
+    return TimeStampToDOM(GetUnloadEventEndTimeStamp());
   }
 
-  DOMTimeMilliSec GetUnloadEventStart();
-  DOMTimeMilliSec GetUnloadEventEnd();
   DOMTimeMilliSec GetDomLoading() const
   {
-    return mDOMLoading;
+    return TimeStampToDOM(mDOMLoading);
   }
   DOMTimeMilliSec GetDomInteractive() const
   {
-    return mDOMInteractive;
+    return TimeStampToDOM(mDOMInteractive);
   }
   DOMTimeMilliSec GetDomContentLoadedEventStart() const
   {
-    return mDOMContentLoadedEventStart;
+    return TimeStampToDOM(mDOMContentLoadedEventStart);
   }
   DOMTimeMilliSec GetDomContentLoadedEventEnd() const
   {
-    return mDOMContentLoadedEventEnd;
+    return TimeStampToDOM(mDOMContentLoadedEventEnd);
   }
   DOMTimeMilliSec GetDomComplete() const
   {
-    return mDOMComplete;
+    return TimeStampToDOM(mDOMComplete);
   }
   DOMTimeMilliSec GetLoadEventStart() const
   {
-    return mLoadEventStart;
+    return TimeStampToDOM(mLoadEventStart);
   }
   DOMTimeMilliSec GetLoadEventEnd() const
   {
-    return mLoadEventEnd;
+    return TimeStampToDOM(mLoadEventEnd);
+  }
+  DOMTimeMilliSec GetTimeToNonBlankPaint() const
+  {
+    return TimeStampToDOM(mNonBlankPaint);
+  }
+
+  DOMHighResTimeStamp GetUnloadEventStartHighRes()
+  {
+    mozilla::TimeStamp stamp = GetUnloadEventStartTimeStamp();
+    if (stamp.IsNull()) {
+      return 0;
+    }
+    return TimeStampToDOMHighRes(stamp);
+  }
+  DOMHighResTimeStamp GetUnloadEventEndHighRes()
+  {
+    mozilla::TimeStamp stamp = GetUnloadEventEndTimeStamp();
+    if (stamp.IsNull()) {
+      return 0;
+    }
+    return TimeStampToDOMHighRes(stamp);
+  }
+  DOMHighResTimeStamp GetDomInteractiveHighRes() const
+  {
+    return TimeStampToDOMHighRes(mDOMInteractive);
+  }
+  DOMHighResTimeStamp GetDomContentLoadedEventStartHighRes() const
+  {
+    return TimeStampToDOMHighRes(mDOMContentLoadedEventStart);
+  }
+  DOMHighResTimeStamp GetDomContentLoadedEventEndHighRes() const
+  {
+    return TimeStampToDOMHighRes(mDOMContentLoadedEventEnd);
+  }
+  DOMHighResTimeStamp GetDomCompleteHighRes() const
+  {
+    return TimeStampToDOMHighRes(mDOMComplete);
+  }
+  DOMHighResTimeStamp GetLoadEventStartHighRes() const
+  {
+    return TimeStampToDOMHighRes(mLoadEventStart);
+  }
+  DOMHighResTimeStamp GetLoadEventEndHighRes() const
+  {
+    return TimeStampToDOMHighRes(mLoadEventEnd);
   }
 
   enum class DocShellState : uint8_t {
@@ -108,9 +161,13 @@ public:
 
   DOMTimeMilliSec TimeStampToDOM(mozilla::TimeStamp aStamp) const;
 
-  inline DOMHighResTimeStamp TimeStampToDOMHighRes(mozilla::TimeStamp aStamp)
+  inline DOMHighResTimeStamp TimeStampToDOMHighRes(mozilla::TimeStamp aStamp) const
   {
-    mozilla::TimeDuration duration = aStamp - mNavigationStartTimeStamp;
+    MOZ_ASSERT(!aStamp.IsNull(), "The timestamp should not be null");
+    if (aStamp.IsNull()) {
+      return 0;
+    }
+    mozilla::TimeDuration duration = aStamp - mNavigationStart;
     return duration.ToMilliseconds();
   }
 
@@ -120,37 +177,29 @@ private:
 
   void Clear();
 
+  mozilla::TimeStamp GetUnloadEventStartTimeStamp() const;
+  mozilla::TimeStamp GetUnloadEventEndTimeStamp() const;
+
   nsCOMPtr<nsIURI> mUnloadedURI;
   nsCOMPtr<nsIURI> mLoadedURI;
 
   Type mNavigationType;
   DOMHighResTimeStamp mNavigationStartHighRes;
-  mozilla::TimeStamp mNavigationStartTimeStamp;
-  mozilla::TimeStamp mNonBlankPaintTimeStamp;
-  DOMTimeMilliSec DurationFromStart();
-
-  DOMTimeMilliSec mBeforeUnloadStart;
-  DOMTimeMilliSec mUnloadStart;
-  DOMTimeMilliSec mUnloadEnd;
-  DOMTimeMilliSec mLoadEventStart;
-  DOMTimeMilliSec mLoadEventEnd;
-
-  DOMTimeMilliSec mDOMLoading;
-  DOMTimeMilliSec mDOMInteractive;
-  DOMTimeMilliSec mDOMContentLoadedEventStart;
-  DOMTimeMilliSec mDOMContentLoadedEventEnd;
-  DOMTimeMilliSec mDOMComplete;
-
-  // Booleans to keep track of what things we've already been notified
-  // about.  We don't update those once we've been notified about them
-  // once.
-  bool mLoadEventStartSet : 1;
-  bool mLoadEventEndSet : 1;
-  bool mDOMLoadingSet : 1;
-  bool mDOMInteractiveSet : 1;
-  bool mDOMContentLoadedEventStartSet : 1;
-  bool mDOMContentLoadedEventEndSet : 1;
-  bool mDOMCompleteSet : 1;
+  mozilla::TimeStamp mNavigationStart;
+  mozilla::TimeStamp mNonBlankPaint;
+
+  mozilla::TimeStamp mBeforeUnloadStart;
+  mozilla::TimeStamp mUnloadStart;
+  mozilla::TimeStamp mUnloadEnd;
+  mozilla::TimeStamp mLoadEventStart;
+  mozilla::TimeStamp mLoadEventEnd;
+
+  mozilla::TimeStamp mDOMLoading;
+  mozilla::TimeStamp mDOMInteractive;
+  mozilla::TimeStamp mDOMContentLoadedEventStart;
+  mozilla::TimeStamp mDOMContentLoadedEventEnd;
+  mozilla::TimeStamp mDOMComplete;
+
   bool mDocShellHasBeenActiveSinceNavigationStart : 1;
 };
 
diff --git a/dom/bindings/Codegen.py b/dom/bindings/Codegen.py
index 3174c37dd..7a6668687 100644
--- a/dom/bindings/Codegen.py
+++ b/dom/bindings/Codegen.py
@@ -1069,6 +1069,20 @@ class CGHeaders(CGWrapper):
                     if parent:
                         ancestors.append(parent)
         interfaceDeps.extend(ancestors)
+
+        # Include parent interface headers needed for jsonifier code.
+        jsonInterfaceParents = []
+        for desc in descriptors:
+            if not desc.operations['Jsonifier']:
+                continue
+            parent = desc.interface.parent
+            while parent:
+                parentDesc = desc.getDescriptor(parent.identifier.name)
+                if parentDesc.operations['Jsonifier']:
+                    jsonInterfaceParents.append(parentDesc.interface)
+                parent = parent.parent
+        interfaceDeps.extend(jsonInterfaceParents)
+
         bindingIncludes = set(self.getDeclarationFilename(d) for d in interfaceDeps)
 
         # Grab all the implementation declaration files we need.
diff --git a/dom/performance/Performance.cpp b/dom/performance/Performance.cpp
index 8f6a61c85..93a6b7313 100755
--- a/dom/performance/Performance.cpp
+++ b/dom/performance/Performance.cpp
@@ -20,6 +20,7 @@
 #include "mozilla/dom/PerformanceEntryEvent.h"
 #include "mozilla/dom/PerformanceNavigationBinding.h"
 #include "mozilla/dom/PerformanceObserverBinding.h"
+#include "mozilla/dom/PerformanceNavigationTiming.h"
 #include "mozilla/IntegerPrintfMacros.h"
 #include "mozilla/Preferences.h"
 #include "mozilla/TimerClamping.h"
diff --git a/dom/performance/Performance.h b/dom/performance/Performance.h
index 32c689c6e..4debecc90 100644
--- a/dom/performance/Performance.h
+++ b/dom/performance/Performance.h
@@ -54,14 +54,14 @@ public:
   JSObject* WrapObject(JSContext *cx,
                        JS::Handle<JSObject*> aGivenProto) override;
 
-  void GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval);
+  virtual void GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval);
 
-  void GetEntriesByType(const nsAString& aEntryType,
-                        nsTArray<RefPtr<PerformanceEntry>>& aRetval);
+  virtual void GetEntriesByType(const nsAString& aEntryType,
+                                nsTArray<RefPtr<PerformanceEntry>>& aRetval);
 
-  void GetEntriesByName(const nsAString& aName,
-                        const Optional<nsAString>& aEntryType,
-                        nsTArray<RefPtr<PerformanceEntry>>& aRetval);
+  virtual void GetEntriesByName(const nsAString& aName,
+                                const Optional<nsAString>& aEntryType,
+                                nsTArray<RefPtr<PerformanceEntry>>& aRetval);
 
   virtual void AddEntry(nsIHttpChannel* channel,
                         nsITimedChannel* timedChannel) = 0;
@@ -153,7 +153,7 @@ protected:
 
   nsTObserverArray<PerformanceObserver*> mObservers;
 
-private:
+protected:
   nsTArray<RefPtr<PerformanceEntry>> mUserEntries;
   nsTArray<RefPtr<PerformanceEntry>> mResourceEntries;
 
diff --git a/dom/performance/PerformanceMainThread.cpp b/dom/performance/PerformanceMainThread.cpp
index 5c259cfb8..64c06d3ea 100644
--- a/dom/performance/PerformanceMainThread.cpp
+++ b/dom/performance/PerformanceMainThread.cpp
@@ -16,7 +16,8 @@ NS_IMPL_CYCLE_COLLECTION_CLASS(PerformanceMainThread)
 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(PerformanceMainThread,
                                                 Performance)
 NS_IMPL_CYCLE_COLLECTION_UNLINK(mTiming,
-                                mNavigation)
+                                mNavigation,
+                                mDocEntry)
   tmp->mMozMemory = nullptr;
   mozilla::DropJSObjects(this);
 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
@@ -24,7 +25,8 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_END
 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(PerformanceMainThread,
                                                   Performance)
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTiming,
-                                    mNavigation)
+                                    mNavigation,
+                                    mDocEntry)
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
 
@@ -152,38 +154,7 @@ PerformanceMainThread::AddEntry(nsIHttpChannel* channel,
     // The PerformanceResourceTiming object will use the PerformanceTiming
     // object to get all the required timings.
     RefPtr<PerformanceResourceTiming> performanceEntry =
-      new PerformanceResourceTiming(performanceTiming, this, entryName);
-
-    nsAutoCString protocol;
-    channel->GetProtocolVersion(protocol);
-
-    // If this is a local fetch, nextHopProtocol should be set to empty string.
-    nsCOMPtr<nsICacheInfoChannel> cachedChannel = do_QueryInterface(channel);
-    if (cachedChannel) {
-      bool isFromCache;
-      if (NS_SUCCEEDED(cachedChannel->IsFromCache(&isFromCache))
-          && isFromCache) {
-        protocol.Truncate();
-      }
-    }
-
-    performanceEntry->SetNextHopProtocol(NS_ConvertUTF8toUTF16(protocol));
-
-    uint64_t encodedBodySize = 0;
-    channel->GetEncodedBodySize(&encodedBodySize);
-    performanceEntry->SetEncodedBodySize(encodedBodySize);
-
-    uint64_t transferSize = 0;
-    channel->GetTransferSize(&transferSize);
-    performanceEntry->SetTransferSize(transferSize);
-
-    uint64_t decodedBodySize = 0;
-    channel->GetDecodedBodySize(&decodedBodySize);
-    if (decodedBodySize == 0) {
-      decodedBodySize = encodedBodySize;
-    }
-    performanceEntry->SetDecodedBodySize(decodedBodySize);
-
+      new PerformanceResourceTiming(performanceTiming, this, entryName, channel);
     // If the initiator type had no valid value, then set it to the default
     // ("other") value.
     if (initiatorType.IsEmpty()) {
@@ -337,5 +308,65 @@ PerformanceMainThread::CreationTime() const
   return GetDOMTiming()->GetNavigationStart();
 }
 
+void
+PerformanceMainThread::EnsureDocEntry()
+{
+  if (!mDocEntry && nsContentUtils::IsPerformanceNavigationTimingEnabled()) {
+    nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mChannel);
+    RefPtr<PerformanceTiming> timing =
+      new PerformanceTiming(this, mChannel, nullptr, 0);
+    mDocEntry = new PerformanceNavigationTiming(timing, this,
+                                                httpChannel);
+  }
+}
+
+
+void
+PerformanceMainThread::GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval)
+{
+  aRetval = mResourceEntries;
+  aRetval.AppendElements(mUserEntries);
+
+  EnsureDocEntry();
+  if (mDocEntry) {
+    aRetval.AppendElement(mDocEntry);
+  }
+
+  aRetval.Sort(PerformanceEntryComparator());
+}
+
+void
+PerformanceMainThread::GetEntriesByType(const nsAString& aEntryType,
+                                        nsTArray<RefPtr<PerformanceEntry>>& aRetval)
+{
+  if (aEntryType.EqualsLiteral("navigation")) {
+    aRetval.Clear();
+    EnsureDocEntry();
+    if (mDocEntry) {
+      aRetval.AppendElement(mDocEntry);
+    }
+    return;
+  }
+
+  Performance::GetEntriesByType(aEntryType, aRetval);
+}
+
+void
+PerformanceMainThread::GetEntriesByName(const nsAString& aName,
+                                        const Optional<nsAString>& aEntryType,
+                                        nsTArray<RefPtr<PerformanceEntry>>& aRetval)
+{
+  if (aName.EqualsLiteral("document")) {
+    aRetval.Clear();
+    EnsureDocEntry();
+    if (mDocEntry) {
+      aRetval.AppendElement(mDocEntry);
+    }
+    return;
+  }
+
+  Performance::GetEntriesByName(aName, aEntryType, aRetval);
+}
+
 } // dom namespace
 } // mozilla namespace
diff --git a/dom/performance/PerformanceMainThread.h b/dom/performance/PerformanceMainThread.h
index c5f8887a4..9f0e185fc 100644
--- a/dom/performance/PerformanceMainThread.h
+++ b/dom/performance/PerformanceMainThread.h
@@ -47,6 +47,15 @@ public:
     return mChannel;
   }
 
+  // The GetEntries* methods need to be overriden in order to add the
+  // the document entry of type navigation.
+  virtual void GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
+  virtual void GetEntriesByType(const nsAString& aEntryType,
+                                nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
+  virtual void GetEntriesByName(const nsAString& aName,
+                                const Optional<nsAString>& aEntryType,
+                                nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
+
 protected:
   ~PerformanceMainThread();
 
@@ -63,7 +72,9 @@ protected:
   GetPerformanceTimingFromString(const nsAString& aTimingName) override;
 
   void DispatchBufferFullEvent() override;
+  void EnsureDocEntry();
 
+  RefPtr<PerformanceEntry> mDocEntry;
   RefPtr<nsDOMNavigationTiming> mDOMTiming;
   nsCOMPtr<nsITimedChannel> mChannel;
   RefPtr<PerformanceTiming> mTiming;
diff --git a/dom/performance/PerformanceNavigationTiming.cpp b/dom/performance/PerformanceNavigationTiming.cpp
new file mode 100644
index 000000000..4e00b2bb2
--- /dev/null
+++ b/dom/performance/PerformanceNavigationTiming.cpp
@@ -0,0 +1,96 @@
+/* -*- 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 "mozilla/dom/PerformanceNavigationTiming.h"
+#include "mozilla/dom/PerformanceNavigationTimingBinding.h"
+
+using namespace mozilla::dom;
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PerformanceNavigationTiming)
+NS_INTERFACE_MAP_END_INHERITING(PerformanceResourceTiming)
+
+NS_IMPL_ADDREF_INHERITED(PerformanceNavigationTiming, PerformanceResourceTiming)
+NS_IMPL_RELEASE_INHERITED(PerformanceNavigationTiming, PerformanceResourceTiming)
+
+JSObject*
+PerformanceNavigationTiming::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return PerformanceNavigationTimingBinding::Wrap(aCx, this, aGivenProto);
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::UnloadEventStart() const
+{
+  return mTiming->GetDOMTiming()->GetUnloadEventStartHighRes();
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::UnloadEventEnd() const
+{
+  return mTiming->GetDOMTiming()->GetUnloadEventEndHighRes();
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::DomInteractive() const
+{
+  return mTiming->GetDOMTiming()->GetDomInteractiveHighRes();
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::DomContentLoadedEventStart() const
+{
+  return mTiming->GetDOMTiming()->GetDomContentLoadedEventStartHighRes();
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::DomContentLoadedEventEnd() const
+{
+  return mTiming->GetDOMTiming()->GetDomContentLoadedEventEndHighRes();
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::DomComplete() const
+{
+  return mTiming->GetDOMTiming()->GetDomCompleteHighRes();
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::LoadEventStart() const
+{
+  return mTiming->GetDOMTiming()->GetLoadEventStartHighRes();
+}
+
+DOMHighResTimeStamp
+PerformanceNavigationTiming::LoadEventEnd() const
+{
+  return mTiming->GetDOMTiming()->GetLoadEventEndHighRes();
+}
+
+NavigationType
+PerformanceNavigationTiming::Type() const
+{
+  switch(mTiming->GetDOMTiming()->GetType()) {
+    case nsDOMNavigationTiming::TYPE_NAVIGATE:
+      return NavigationType::Navigate;
+      break;
+    case nsDOMNavigationTiming::TYPE_RELOAD:
+      return NavigationType::Reload;
+      break;
+    case nsDOMNavigationTiming::TYPE_BACK_FORWARD:
+      return NavigationType::Back_forward;
+      break;
+    default:
+      // The type is TYPE_RESERVED or some other value that was later added.
+      // We fallback to the default of Navigate.
+      return NavigationType::Navigate;
+  }
+}
+
+uint16_t
+PerformanceNavigationTiming::RedirectCount() const
+{
+  return mTiming->GetRedirectCount();
+}
diff --git a/dom/performance/PerformanceNavigationTiming.h b/dom/performance/PerformanceNavigationTiming.h
new file mode 100644
index 000000000..8555f1987
--- /dev/null
+++ b/dom/performance/PerformanceNavigationTiming.h
@@ -0,0 +1,71 @@
+/* -*- 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 mozilla_dom_PerformanceNavigationTiming_h___
+#define mozilla_dom_PerformanceNavigationTiming_h___
+
+#include "nsCOMPtr.h"
+#include "nsIChannel.h"
+#include "nsITimedChannel.h"
+#include "mozilla/dom/PerformanceResourceTiming.h"
+#include "mozilla/dom/PerformanceNavigationTimingBinding.h"
+#include "nsIHttpChannel.h"
+
+namespace mozilla {
+namespace dom {
+
+// https://www.w3.org/TR/navigation-timing-2/#sec-PerformanceNavigationTiming
+class PerformanceNavigationTiming final
+  : public PerformanceResourceTiming
+{
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // Note that aPerformanceTiming must be initalized with zeroTime = 0
+  // so that timestamps are relative to startTime, as opposed to the
+  // performance.timing object for which timestamps are absolute and has a
+  // zeroTime initialized to navigationStart
+  explicit PerformanceNavigationTiming(PerformanceTiming* aPerformanceTiming,
+                                       Performance* aPerformance,
+                                       nsIHttpChannel* aChannel)
+    : PerformanceResourceTiming(aPerformanceTiming, aPerformance,
+                                NS_LITERAL_STRING("document"), aChannel) {
+      SetEntryType(NS_LITERAL_STRING("navigation"));
+      SetInitiatorType(NS_LITERAL_STRING("navigation"));
+    }
+
+  DOMHighResTimeStamp Duration() const override
+  {
+    return LoadEventEnd() - StartTime();
+  }
+
+  DOMHighResTimeStamp StartTime() const override
+  {
+    return 0;
+  }
+
+  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  DOMHighResTimeStamp UnloadEventStart() const;
+  DOMHighResTimeStamp UnloadEventEnd() const;
+
+  DOMHighResTimeStamp DomInteractive() const;
+  DOMHighResTimeStamp DomContentLoadedEventStart() const;
+  DOMHighResTimeStamp DomContentLoadedEventEnd() const;
+  DOMHighResTimeStamp DomComplete() const;
+  DOMHighResTimeStamp LoadEventStart() const;
+  DOMHighResTimeStamp LoadEventEnd() const;
+  NavigationType Type() const;
+  uint16_t RedirectCount() const;
+
+private:
+  ~PerformanceNavigationTiming() {}
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_PerformanceNavigationTiming_h___
diff --git a/dom/performance/PerformanceResourceTiming.cpp b/dom/performance/PerformanceResourceTiming.cpp
index 94df27408..2eaa4eb9a 100644
--- a/dom/performance/PerformanceResourceTiming.cpp
+++ b/dom/performance/PerformanceResourceTiming.cpp
@@ -25,7 +25,8 @@ NS_IMPL_RELEASE_INHERITED(PerformanceResourceTiming, PerformanceEntry)
 
 PerformanceResourceTiming::PerformanceResourceTiming(PerformanceTiming* aPerformanceTiming,
                                                      Performance* aPerformance,
-                                                     const nsAString& aName)
+                                                     const nsAString& aName,
+                                                     nsIHttpChannel* aChannel)
 : PerformanceEntry(aPerformance, aName, NS_LITERAL_STRING("resource")),
   mTiming(aPerformanceTiming),
   mEncodedBodySize(0),
@@ -33,6 +34,34 @@ PerformanceResourceTiming::PerformanceResourceTiming(PerformanceTiming* aPerform
   mDecodedBodySize(0)
 {
   MOZ_ASSERT(aPerformance, "Parent performance object should be provided");
+  SetPropertiesFromChannel(aChannel);
+}
+
+void
+PerformanceResourceTiming::SetPropertiesFromChannel(nsIHttpChannel* aChannel)
+{
+  if (!aChannel) {
+    return;
+  }
+
+  nsAutoCString protocol;
+  Unused << aChannel->GetProtocolVersion(protocol);
+  SetNextHopProtocol(NS_ConvertUTF8toUTF16(protocol));
+
+  uint64_t encodedBodySize = 0;
+  Unused << aChannel->GetEncodedBodySize(&encodedBodySize);
+  SetEncodedBodySize(encodedBodySize);
+
+  uint64_t transferSize = 0;
+  Unused << aChannel->GetTransferSize(&transferSize);
+  SetTransferSize(transferSize);
+
+  uint64_t decodedBodySize = 0;
+  Unused << aChannel->GetDecodedBodySize(&decodedBodySize);
+  if (decodedBodySize == 0) {
+    decodedBodySize = encodedBodySize;
+  }
+  SetDecodedBodySize(decodedBodySize);
 }
 
 PerformanceResourceTiming::~PerformanceResourceTiming()
diff --git a/dom/performance/PerformanceResourceTiming.h b/dom/performance/PerformanceResourceTiming.h
index c2e6c0972..98a03327e 100644
--- a/dom/performance/PerformanceResourceTiming.h
+++ b/dom/performance/PerformanceResourceTiming.h
@@ -18,7 +18,7 @@ namespace mozilla {
 namespace dom {
 
 // http://www.w3.org/TR/resource-timing/#performanceresourcetiming
-class PerformanceResourceTiming final : public PerformanceEntry
+class PerformanceResourceTiming : public PerformanceEntry
 {
 public:
   typedef mozilla::TimeStamp TimeStamp;
@@ -30,7 +30,8 @@ public:
 
   PerformanceResourceTiming(PerformanceTiming* aPerformanceTiming,
                             Performance* aPerformance,
-                            const nsAString& aName);
+                            const nsAString& aName,
+                            nsIHttpChannel* aChannel = nullptr);
 
   virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
 
@@ -176,6 +177,7 @@ public:
 
 protected:
   virtual ~PerformanceResourceTiming();
+  void SetPropertiesFromChannel(nsIHttpChannel* aChannel);
 
   nsString mInitiatorType;
   nsString mNextHopProtocol;
diff --git a/dom/performance/PerformanceTiming.h b/dom/performance/PerformanceTiming.h
index 584ae0816..435e1bca1 100755
--- a/dom/performance/PerformanceTiming.h
+++ b/dom/performance/PerformanceTiming.h
@@ -242,6 +242,14 @@ public:
     return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetLoadEventEnd());
   }
 
+  DOMTimeMilliSec TimeToNonBlankPaint() const
+  {
+    if (!nsContentUtils::IsPerformanceTimingEnabled()) {
+      return 0;
+    }
+    return TimerClamping::ReduceMsTimeValue(GetDOMTiming()->GetTimeToNonBlankPaint());
+  }
+
 private:
   ~PerformanceTiming();
 
diff --git a/dom/performance/moz.build b/dom/performance/moz.build
index 04f07f061..e1f96fec8 100644
--- a/dom/performance/moz.build
+++ b/dom/performance/moz.build
@@ -10,6 +10,7 @@ EXPORTS.mozilla.dom += [
     'PerformanceMark.h',
     'PerformanceMeasure.h',
     'PerformanceNavigation.h',
+    'PerformanceNavigationTiming.h',
     'PerformanceObserver.h',
     'PerformanceObserverEntryList.h',
     'PerformanceResourceTiming.h',
@@ -24,6 +25,7 @@ UNIFIED_SOURCES += [
     'PerformanceMark.cpp',
     'PerformanceMeasure.cpp',
     'PerformanceNavigation.cpp',
+    'PerformanceNavigationTiming.cpp',
     'PerformanceObserver.cpp',
     'PerformanceObserverEntryList.cpp',
     'PerformanceResourceTiming.cpp',
diff --git a/dom/tests/mochitest/general/test_interfaces.html b/dom/tests/mochitest/general/test_interfaces.html
index cbd08d8d4..4b47d2b4f 100644
--- a/dom/tests/mochitest/general/test_interfaces.html
+++ b/dom/tests/mochitest/general/test_interfaces.html
@@ -751,9 +751,11 @@ var interfaceNamesInGlobalScope =
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "PerformanceNavigation",
 // IMPORTANT: Do not change this list without review from a DOM peer!
-    "PerformanceObserver",
+    "PerformanceNavigationTiming",
 // IMPORTANT: Do not change this list without review from a DOM peer!
-    "PerformanceObserverEntryList",
+    "PerformanceObserver"
+// IMPORTANT: Do not change this list without review from a DOM peer!
+    "PerformanceObserverEntryList"
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "PerformanceResourceTiming",
 // IMPORTANT: Do not change this list without review from a DOM peer!
diff --git a/dom/webidl/PerformanceNavigationTiming.webidl b/dom/webidl/PerformanceNavigationTiming.webidl
new file mode 100644
index 000000000..fa3ecaec4
--- /dev/null
+++ b/dom/webidl/PerformanceNavigationTiming.webidl
@@ -0,0 +1,33 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://www.w3.org/TR/navigation-timing-2/#sec-PerformanceNavigationTiming
+ *
+ * Copyright © 2016 W3C® (MIT, ERCIM, Keio, Beihang).
+ * W3C liability, trademark and document use rules apply.
+ */
+
+enum NavigationType {
+  "navigate",
+  "reload",
+  "back_forward",
+  "prerender"
+};
+
+interface PerformanceNavigationTiming : PerformanceResourceTiming {
+  readonly        attribute DOMHighResTimeStamp unloadEventStart;
+  readonly        attribute DOMHighResTimeStamp unloadEventEnd;
+  readonly        attribute DOMHighResTimeStamp domInteractive;
+  readonly        attribute DOMHighResTimeStamp domContentLoadedEventStart;
+  readonly        attribute DOMHighResTimeStamp domContentLoadedEventEnd;
+  readonly        attribute DOMHighResTimeStamp domComplete;
+  readonly        attribute DOMHighResTimeStamp loadEventStart;
+  readonly        attribute DOMHighResTimeStamp loadEventEnd;
+  readonly        attribute NavigationType      type;
+  readonly        attribute unsigned short      redirectCount;
+
+  jsonifier;
+};
diff --git a/dom/webidl/PerformanceTiming.webidl b/dom/webidl/PerformanceTiming.webidl
index e14201440..4aa403a50 100644
--- a/dom/webidl/PerformanceTiming.webidl
+++ b/dom/webidl/PerformanceTiming.webidl
@@ -33,5 +33,11 @@ interface PerformanceTiming {
   readonly attribute unsigned long long loadEventStart;
   readonly attribute unsigned long long loadEventEnd;
 
+  // This is a Chrome proprietary extension and not part of the
+  // performance/navigation timing specification.
+  // Returns 0 if a non-blank paint has not happened.
+  [Pref="dom.performance.time_to_non_blank_paint.enabled"]
+  readonly attribute unsigned long long timeToNonBlankPaint;
+
   jsonifier;
 };
diff --git a/dom/webidl/moz.build b/dom/webidl/moz.build
index 8682aee97..8469c9001 100644
--- a/dom/webidl/moz.build
+++ b/dom/webidl/moz.build
@@ -347,6 +347,7 @@ WEBIDL_FILES = [
     'PerformanceMark.webidl',
     'PerformanceMeasure.webidl',
     'PerformanceNavigation.webidl',
+    'PerformanceNavigationTiming.webidl',
     'PerformanceObserver.webidl',
     'PerformanceObserverEntryList.webidl',
     'PerformanceResourceTiming.webidl',
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 903665ff8..4239c83bd 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -183,6 +183,9 @@ pref("dom.enable_resource_timing", true);
 // Enable high-resolution timing markers for users
 pref("dom.enable_user_timing", true);
 
+// Whether performance.GetEntries* will contain an entry for the active document
+pref("dom.enable_performance_navigation_timing", true);
+
 // Enable printing performance marks/measures to log
 pref("dom.performance.enable_user_timing_logging", false);
 
@@ -192,6 +195,9 @@ pref("dom.performance.enable_notify_performance_timing", false);
 // Enable Permission API's .revoke() method
 pref("dom.permissions.revoke.enable", false);
 
+// Enable exposing timeToNonBlankPaint
+pref("dom.performance.time_to_non_blank_paint.enabled", false);
+
 // Enable Performance Observer API
 #ifdef NIGHTLY_BUILD
 pref("dom.enable_performance_observer", true);