import changes from `dev' branch of rmottola/Arctic-Fox:

- Bug 1246575 - Inline RegExp.prototype.{global,ignoreCase,multiline,sticky,unicode} getters. r=h4writer (4c1dd91f65)
- Bug 1240796 - Inline SIMD operations that return scalars. r=bbouvier (e9a4985d96)
- Bug 1241872: Fix inlining of SIMD extractLanes in self-hosting; r=jolesen (337ab5c171)
- Bug 1240796 - Detemplatize getOrCreateSimdTypeDescr(). r=bbouvier (d1721d193d)
- Bug 1240796 - Extract baseline code to GetTemplateObjectForSimd(). r=bbouvier (302921629a)
- Bug 1240796 - Connect SIMD.Uint32x4 operations to the Ion inliner. r=bbouvier (24a2e4801b)
- Bug 1243810: Remove storage class of SimdOperation; r=jolesen (b5f74d5d74)
- Bug 1224374 - Profiler labels for the 25 top chrome hangs;r=BenWa,MarcoZ (b0ee441936)
- Bug 1211401 - Use global message manager as parent of <iframe mozbrowser> MM (r=smaug,ahal) (496e94f133)
- When mix-blending, only copy intersecting backdrop pixels. (bug 1235995 part 2, r=mattwoodrow) (f3a2211866)
- Fix the backdrop copy rect in nested mix-blend containers. (bug 1241273, r=mstange) (00ae1f2375)
- Bug 1246403: Implement call_import when caller returns float32; r=luke (f59d6303a6)
- Bug 1239506 - Make console formatter return NaN instead of nan with %f;r=baku (44aa78fba7)
- Bug 1202735 - Add nsIObserver to avoid warning. r=eeejay (93bf7d87e7)
- Bug 1228134 - Should check media.webspeech.synth.enabled on Windows SAPI backend. r=eeejay (4e04c701cb)
- Bug 1003464 - Support Web Speech API synthesis via speech-dispatcher. r=kdavis (bc6c839f1d)
- Bug 1003452 - Implement OSX backend for WebSpeech Synthesis. r=eeejay (85c3b95baa)
- Bug 1223153 - Create new thread to enumerate voice items. r=eeejay (6246ad40a0)
- fix refptr (075d2a7614)
- Bug 1211974 - Implement nsIObserver in SpeechDispatcherService. r=smaug (1fe398291f)
- Bug 1227848 - Separate construction from off-main-thread setup in SpeechDispatcherService. r=smaug (df4e431ad0)
- Bug 1191667 - Part 1. Add onVolumeChanged method to nsISpeechTaskCallback. r=eitan (119271d432)
- Bug 1191667 - Part 2. Call onVolumeChanged when changing volume. r=eitan (9aeb12f90f)
- Bug 1191667 - Part 3. Call NotifyStartedPlaying to show audio indicator. r=eitan (7c0a62f004)
- Bug 1187151 (part 13) - Replace nsBaseHashtable::Enumerate() calls in dom/ with iterators. r=baku. (aac6428d17)
- Bug 1225928 - Fix hang on linux when sending an empty string to speech synth. r=smaug (f21d1d9c2e)
- Bug 1221520 - nullcheck for mSpeechdClient. r=eeejay (3b38bd7fda)
- Bug 1230428 - Part 1. Check mTask since end event is posted asynchronized. r=eeejay (5b5ecaddd8)
- Bug 1239494 - Followup to fix a spurious hazard analysis failure; r=meow (7c6eac2f31)
- Bug 1224374 - Profiler labels for the top 26-100 chrome hangs;r=BenWa (f3edb68e7e)
- Bug 1242214 - Rename JSPropertyDescriptor JS::PropertyDescriptor in js. r=sstangl (b5fa6fc75c)
- Bug 1242072 - Continue using getPropertyDescriptor for get in Sandbox. r=bholley (3315e39b91)
- Bug 1242072 - Continue using getPropertyDescriptor for get in XrayWrapper. r=bholley (d9506cbe6a)
- Bug 1242214 - Rename JSPropertyDescriptor JS::PropertyDescriptor everywhere else. r=smaug (f5bf388f8b)
- Bug 1239822: Part 1 - Add a close method to windowless browsers, and only destroy when safe. r=bz (28cd84032e)
- apply (and revert little bit of PM) Bug 1218364 - windowless browser windows should not crash on Troubleshoot. (2ef4a8e4f7)
- Bug 1224105 - [webext] Use <browser> element for background page (r=kmag) (34b4e7a807)
- Bug 1239822: Part 2a - [webext] Explicitly destroy windowless browsers on unload. r=billm (737d05f57c)
- Bug 1239822: Part 2b - Destroy windowless browsers created for add-on SDK page workers. (de9bcd0438)
- Bug 1239822: Part 2c - Destroy windowless browsers created by browser parsable CSS tests. r=gijs (6e04b09bc6)
- Bug 1217307 - Remove some unnecessary null checks in dom/xslt/. r=njn (4208056baf)
- Bug 1222624: Make XSLT stylesheet parsing use nsIPrincipals and nsIURIs rather than strings. r=peterv (34984e2115)
- Bug 1222475 - use UniquePtr<T[]> instead of nsAutoArrayPtr<T> in dom/; r=baku,bz,terrence (2d33fa1b22)
- Bug 1237445 - Use GCHashSet for BaseShapeSet and InitialShapeSet, r=terrence (a4c8056f3a)
- Bug 1244365 - Remove Traceable; r=sfink (5a7d3ed42e)
- Bug 1236473 - Do not merge scripts that didn't successfully compile. (r=jandem) (8f03cbd52c)
- Bug 1240416 Disallow setting GC mark stack size to zero, and assert on attempt to realloc() zero bytes r=terrence (f28ea7d8f3)
- Bug 1232113 - "Make the format specifiers in JS_snprintf() invocations more portable". r=sphink (deb4e3bd14)
- Bug 1232672 - Use MOZ_WARN_UNUSED_RESULT to make ordered hash table clients check for failure r=sfink (541737edf1)
- Bug 1220703 - Remove AutoDisableStoreBuffer; r=jonco (e1b44b7696)
- Bug 1236523 part 1 - Remove Shape NON_NATIVE flag. r=bhackett (64dfe2f282)
- Bug 1236523 part 2 - Cache isBigEnoughForAShapeTable on the Shape. r=bhackett (86b6c65dc6)
- Bug 1236523 part 3 - Templatize Shape::search and ShapeTable::search. r=bhackett (9ca2f75776)

dom/base/WindowNamedPropertiesHandler.cpp

@@ -80,7 +80,7 @@ WindowNamedPropertiesHandler::getOwnPropDescriptor(JSContext* aCx,
                                                    JS::Handle<JSObject*> aProxy,
                                                    JS::Handle<jsid> aId,
                                                    bool /* unused */,
-                                                   JS::MutableHandle<JSPropertyDescriptor> aDesc)
+                                                   JS::MutableHandle<JS::PropertyDescriptor> aDesc)
                                                    const
 {
   if (!JSID_IS_STRING(aId)) {
@@ -158,7 +158,7 @@ bool
 WindowNamedPropertiesHandler::defineProperty(JSContext* aCx,
                                              JS::Handle<JSObject*> aProxy,
                                              JS::Handle<jsid> aId,
-                                             JS::Handle<JSPropertyDescriptor> aDesc,
+                                             JS::Handle<JS::PropertyDescriptor> aDesc,
                                              JS::ObjectOpResult &result) const
 {
   ErrorResult rv;
@@ -223,7 +223,7 @@ WindowNamedPropertiesHandler::delete_(JSContext* aCx,
 static bool
 ResolveWindowNamedProperty(JSContext* aCx, JS::Handle<JSObject*> aWrapper,
                            JS::Handle<JSObject*> aObj, JS::Handle<jsid> aId,
-                           JS::MutableHandle<JSPropertyDescriptor> aDesc)
+                           JS::MutableHandle<JS::PropertyDescriptor> aDesc)
 {
   {
     JSAutoCompartment ac(aCx, aObj);