Add [WillBeGarbageCollected] to Event.idl

Source/modules/mediastream/MediaStreamEvent.cpp

Index: Source/modules/mediastream/MediaStreamEvent.cpp
diff --git a/Source/modules/mediastream/MediaStreamEvent.cpp b/Source/modules/mediastream/MediaStreamEvent.cpp
index 874bcb80317be01ae79aebb8fff385a9f4d532b6..b13c5017005a36ea7ca3e5dfaed793606c9728ab 100644
--- a/Source/modules/mediastream/MediaStreamEvent.cpp
+++ b/Source/modules/mediastream/MediaStreamEvent.cpp
@@ -34,19 +34,19 @@ MediaStreamEventInit::MediaStreamEventInit()
 {
 }
 
-PassRefPtr<MediaStreamEvent> MediaStreamEvent::create()
+PassRefPtrWillBeRawPtr<MediaStreamEvent> MediaStreamEvent::create()
 {
-    return adoptRef(new MediaStreamEvent);
+    return adoptRefWillBeRefCountedGarbageCollected(new MediaStreamEvent);
 }
 
-PassRefPtr<MediaStreamEvent> MediaStreamEvent::create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<MediaStream> stream)
+PassRefPtrWillBeRawPtr<MediaStreamEvent> MediaStreamEvent::create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<MediaStream> stream)
 {
-    return adoptRef(new MediaStreamEvent(type, canBubble, cancelable, stream));
+    return adoptRefWillBeRefCountedGarbageCollected(new MediaStreamEvent(type, canBubble, cancelable, stream));
 }
 
-PassRefPtr<MediaStreamEvent> MediaStreamEvent::create(const AtomicString& type, const MediaStreamEventInit& initializer)
+PassRefPtrWillBeRawPtr<MediaStreamEvent> MediaStreamEvent::create(const AtomicString& type, const MediaStreamEventInit& initializer)
 {
-    return adoptRef(new MediaStreamEvent(type, initializer));
+    return adoptRefWillBeRefCountedGarbageCollected(new MediaStreamEvent(type, initializer));
 }
 
 MediaStreamEvent::MediaStreamEvent()