8 files changed, 97 insertions, 8 deletions
diff --git a/dom/webidl/AbortController.webidl b/dom/webidl/AbortController.webidl
new file mode 100644
index 000000000..4e9124075
--- /dev/null
+++ b/dom/webidl/AbortController.webidl
@@ -0,0 +1,13 @@
+/* -*- 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/.
+ */
+
+[Constructor(), Exposed=(Window,Worker),
+ Func="AbortController::IsEnabled"]
+interface AbortController {
+  readonly attribute AbortSignal signal;
+
+  void abort();
+};
diff --git a/dom/webidl/AbortSignal.webidl b/dom/webidl/AbortSignal.webidl
new file mode 100644
index 000000000..b4b03bb7e
--- /dev/null
+++ b/dom/webidl/AbortSignal.webidl
@@ -0,0 +1,13 @@
+/* -*- 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/.
+ */
+
+[Exposed=(Window,Worker),
+ Func="AbortController::IsEnabled"]
+interface AbortSignal : EventTarget {
+  readonly attribute boolean aborted;
+
+  attribute EventHandler onabort;
+};
diff --git a/dom/webidl/Document.webidl b/dom/webidl/Document.webidl
index ba2ec17ea..26985202b 100644
--- a/dom/webidl/Document.webidl
+++ b/dom/webidl/Document.webidl
@@ -136,7 +136,6 @@ partial interface Document {
   // user interaction
   [Pure]
   readonly attribute WindowProxy? defaultView;
-  readonly attribute Element? activeElement;
   [Throws]
   boolean hasFocus();
   //(HTML only)         attribute DOMString designMode;
@@ -283,8 +282,6 @@ partial interface Document {
 
 // http://dev.w3.org/csswg/cssom/#extensions-to-the-document-interface
 partial interface Document {
-    [Constant]
-    readonly attribute StyleSheetList styleSheets;
     attribute DOMString? selectedStyleSheetSet;
     readonly attribute DOMString? lastStyleSheetSet;
     readonly attribute DOMString? preferredStyleSheetSet;
@@ -456,3 +453,4 @@ Document implements ParentNode;
 Document implements OnErrorEventHandlerForNodes;
 Document implements GeometryUtils;
 Document implements FontFaceSource;
+Document implements DocumentOrShadowRoot;
diff --git a/dom/webidl/DocumentOrShadowRoot.webidl b/dom/webidl/DocumentOrShadowRoot.webidl
new file mode 100644
index 000000000..16388d126
--- /dev/null
+++ b/dom/webidl/DocumentOrShadowRoot.webidl
@@ -0,0 +1,29 @@
+/* -*- 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://dom.spec.whatwg.org/#documentorshadowroot
+ * http://w3c.github.io/webcomponents/spec/shadow/#extensions-to-the-documentorshadowroot-mixin
+ */
+
+[NoInterfaceObject]
+interface DocumentOrShadowRoot {
+  // Not implemented yet: bug 1430308.
+  // Selection? getSelection();
+  // Not implemented yet: bug 1430301.
+  // Element? elementFromPoint (float x, float y);
+  // Not implemented yet: bug 1430301.
+  // sequence<Element> elementsFromPoint (float x, float y);
+  // Not implemented yet: bug 1430307.
+  // CaretPosition? caretPositionFromPoint (float x, float y);
+
+  readonly attribute Element? activeElement;
+  readonly attribute StyleSheetList styleSheets;
+
+  // Not implemented yet: bug 1430303.
+  // readonly attribute Element? pointerLockElement;
+  // Not implemented yet: bug 1430305.
+  // readonly attribute Element? fullscreenElement;
+};
diff --git a/dom/webidl/FetchObserver.webidl b/dom/webidl/FetchObserver.webidl
new file mode 100644
index 000000000..eecd67e66
--- /dev/null
+++ b/dom/webidl/FetchObserver.webidl
@@ -0,0 +1,27 @@
+/* -*- 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/.
+ */
+
+callback interface ObserverCallback {
+  void handleEvent(FetchObserver observer);
+};
+
+enum FetchState {
+  // Pending states
+  "requesting", "responding",
+  // Final states
+  "aborted", "errored", "complete"
+};
+
+[Exposed=(Window,Worker),
+ Func="FetchObserver::IsEnabled"]
+interface FetchObserver : EventTarget {
+  readonly attribute FetchState state;
+
+  // Events
+  attribute EventHandler onstatechange;
+  attribute EventHandler onrequestprogress;
+  attribute EventHandler onresponseprogress;
+};
diff --git a/dom/webidl/Request.webidl b/dom/webidl/Request.webidl
index e29c084d0..fe6a63ec0 100644
--- a/dom/webidl/Request.webidl
+++ b/dom/webidl/Request.webidl
@@ -47,6 +47,12 @@ dictionary RequestInit {
   RequestCache cache;
   RequestRedirect redirect;
   DOMString integrity;
+
+  [Func="AbortController::IsEnabled"]
+  AbortSignal signal;
+
+  [Func="FetchObserver::IsEnabled"]
+  ObserverCallback observe;
 };
 
 // Gecko currently does not ship RequestContext, so please don't use it in IDL
diff --git a/dom/webidl/ShadowRoot.webidl b/dom/webidl/ShadowRoot.webidl
index 47e6cf5ec..83acd4161 100644
--- a/dom/webidl/ShadowRoot.webidl
+++ b/dom/webidl/ShadowRoot.webidl
@@ -32,6 +32,5 @@ interface ShadowRoot : DocumentFragment
   [CEReactions, SetterThrows, TreatNullAs=EmptyString]
   attribute DOMString innerHTML;
   attribute boolean applyAuthorStyles;
-  readonly attribute StyleSheetList styleSheets;
 };
 
diff --git a/dom/webidl/moz.build b/dom/webidl/moz.build
index 45bf92a97..acdc392be 100644
--- a/dom/webidl/moz.build
+++ b/dom/webidl/moz.build
@@ -17,6 +17,8 @@ PREPROCESSED_WEBIDL_FILES = [
 ]
 
 WEBIDL_FILES = [
+    'AbortController.webidl',
+    'AbortSignal.webidl',
     'AbstractWorker.webidl',
     'AnalyserNode.webidl',
     'Animatable.webidl',
@@ -111,6 +113,7 @@ WEBIDL_FILES = [
     'Directory.webidl',
     'Document.webidl',
     'DocumentFragment.webidl',
+    'DocumentOrShadowRoot.webidl',
     'DocumentTimeline.webidl',
     'DocumentType.webidl',
     'DOMCursor.webidl',
@@ -142,6 +145,7 @@ WEBIDL_FILES = [
     'FakePluginTagInit.webidl',
     'Fetch.webidl',
     'FetchEvent.webidl',
+    'FetchObserver.webidl',
     'File.webidl',
     'FileList.webidl',
     'FileMode.webidl',
@@ -647,10 +651,10 @@ WEBIDL_FILES += [
 # We only expose our prefable test interfaces in debug builds, just to be on
 # the safe side.
 if CONFIG['MOZ_DEBUG']:
-    WEBIDL_FILES += ['TestFunctions.webidl',
-                     'TestInterfaceJS.webidl',
-                     'TestInterfaceJSDictionaries.webidl',
-                     'TestInterfaceJSMaplikeSetlikeIterable.webidl']
+    WEBIDL_FILES += [
+         'TestInterfaceJS.webidl',
+         'TestInterfaceJSDictionaries.webidl',
+    ]
 
 if CONFIG['MOZ_SECUREELEMENT']:
     WEBIDL_FILES += [