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/html/HTMLButtonElement.cpp

@@ -216,7 +216,7 @@ nsresult
 HTMLButtonElement::PreHandleEvent(EventChainPreVisitor& aVisitor)
 {
   aVisitor.mCanHandle = false;
-  if (IsDisabledForEvents(aVisitor.mEvent->message)) {
+  if (IsDisabledForEvents(aVisitor.mEvent->mMessage)) {
     return NS_OK;
   }
 
@@ -227,7 +227,7 @@ HTMLButtonElement::PreHandleEvent(EventChainPreVisitor& aVisitor)
   WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
   bool outerActivateEvent =
     ((mouseEvent && mouseEvent->IsLeftClickEvent()) ||
-     (aVisitor.mEvent->message == NS_UI_ACTIVATE &&
+     (aVisitor.mEvent->mMessage == NS_UI_ACTIVATE &&
       !mInInternalActivate));
 
   if (outerActivateEvent) {
@@ -287,7 +287,7 @@ HTMLButtonElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
   }
 
   if (nsEventStatus_eIgnore == aVisitor.mEventStatus) {
-    switch (aVisitor.mEvent->message) {
+    switch (aVisitor.mEvent->mMessage) {
       case NS_KEY_PRESS:
       case NS_KEY_UP:
         {
@@ -295,9 +295,9 @@ HTMLButtonElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
           // (bug 25300)
           WidgetKeyboardEvent* keyEvent = aVisitor.mEvent->AsKeyboardEvent();
           if ((keyEvent->keyCode == NS_VK_RETURN &&
-               NS_KEY_PRESS == aVisitor.mEvent->message) ||
+               NS_KEY_PRESS == aVisitor.mEvent->mMessage) ||
               (keyEvent->keyCode == NS_VK_SPACE &&
-               NS_KEY_UP == aVisitor.mEvent->message)) {
+               NS_KEY_UP == aVisitor.mEvent->mMessage)) {
             DispatchSimulatedClick(this, aVisitor.mEvent->mFlags.mIsTrusted,
                                    aVisitor.mPresContext);
             aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
@@ -381,7 +381,7 @@ HTMLButtonElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
         //
         // Using presShell to dispatch the event. It makes sure that
         // event is not handled if the window is being destroyed.
-        if (presShell && (event.message != NS_FORM_SUBMIT ||
+        if (presShell && (event.mMessage != NS_FORM_SUBMIT ||
                           mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate) ||
                           // We know the element is a submit control, if this check is moved,
                           // make sure formnovalidate is used only if it's a submit control.