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

- Bug 895274 part.2 Define event messages as anonymous enum with EventMessageList.h r=smaug (44a28d5da)
- Bug 895274 part.1 Rename WidgetEvent::message to WidgetEvent::mMessage r=smaug (1a1651a54)
- Bug 895274 part.170 Rename NS_ANIMATION_EVENT_START to eAnimationEventFirst r=smaug (e3bedfd02)
- some cleanup (c496de395)
- Bug 1186582 - AskPermission should check for prompt exceptions; r=fabrice (e7fc39d0a)
- Bug 1170314 - Make console.timeStamp to add also Gecko profiler markers if Gecko profiler is active, r=baku,benwa (7e78b02c1)
- Bug 1178172 - Fix all compile errors in dom/base on non-unified build. r=baku (ffc87d5ae)
- namespace (93bb2e778)
- Bug 1001158 - Handle an invalid distribution.ini gracefully, r=gijs (260ab12f2)
- Bug 1157760: Remove incorrect MOZ_ASSERT in nsMessageManagerSH<Super>::Enumerate. r=bz (e1d86db8a)
- Bug 1148694 patch 1 - Stop creating a CharsetRule object when parsing @charset rules. r=dbaron (5d3b4a237)
- Bug 1148694 patch 2 - Remove interface and implementation of CSSCharsetRule. r=dbaron (e687d6a51)
- Bug 1148694 patch 3 - remove tests affected by removal of CSSCharsetRule. r=dbaron, r=khuey (84e04ec3c)
- Bug 958778 - De-holder nsIXPConnect::GetWrappedNativePrototype(). r=gabor (e862b0197)
- non-EME part of Bug 1160445 - Add detailed logging for EME promise failures (90c5ae1a1)
- Bug 1191305 - Alphabetize some includes; r=froydnj (6bc41455c)
- Bug 1188640 - Add ChromeOnly MutationObserver.mergeAttributeRecords to speed up devtools, r=bz,bgrins (5f07c777f)
- namespace (0e90aac16)

dom/base/TextInputProcessor.cpp

@@ -242,10 +242,10 @@ TextInputProcessor::IsValidEventTypeForComposition(
                       const WidgetKeyboardEvent& aKeyboardEvent) const
 {
   // The key event type of composition methods must be "" or "keydown".
-  if (aKeyboardEvent.message == NS_KEY_DOWN) {
+  if (aKeyboardEvent.mMessage == NS_KEY_DOWN) {
     return true;
   }
-  if (aKeyboardEvent.message == NS_USER_DEFINED_EVENT &&
+  if (aKeyboardEvent.mMessage == NS_USER_DEFINED_EVENT &&
       aKeyboardEvent.userType &&
       nsDependentAtomString(aKeyboardEvent.userType).EqualsLiteral("on")) {
     return true;
@@ -300,9 +300,9 @@ TextInputProcessor::MaybeDispatchKeyupForComposition(
     return result;
   }
 
-  // If the message is NS_KEY_DOWN, the caller doesn't want TIP to dispatch
+  // If the mMessage is NS_KEY_DOWN, the caller doesn't want TIP to dispatch
   // keyup event.
-  if (aKeyboardEvent->message == NS_KEY_DOWN) {
+  if (aKeyboardEvent->mMessage == NS_KEY_DOWN) {
     return result;
   }