Revert "Add [WillBeGarbageCollected] to Event.idl"

Source/modules/mediastream/RTCDataChannelEvent.cpp

Index: Source/modules/mediastream/RTCDataChannelEvent.cpp
diff --git a/Source/modules/mediastream/RTCDataChannelEvent.cpp b/Source/modules/mediastream/RTCDataChannelEvent.cpp
index 20966e863c616e58e6fd9341bdfd863576a33d19..d2c3fda83c6f744ad01ee0536c2de6faef9a42f0 100644
--- a/Source/modules/mediastream/RTCDataChannelEvent.cpp
+++ b/Source/modules/mediastream/RTCDataChannelEvent.cpp
@@ -29,14 +29,14 @@
 
 namespace WebCore {
 
-PassRefPtrWillBeRawPtr<RTCDataChannelEvent> RTCDataChannelEvent::create()
+PassRefPtr<RTCDataChannelEvent> RTCDataChannelEvent::create()
 {
-    return adoptRefWillBeRefCountedGarbageCollected(new RTCDataChannelEvent);
+    return adoptRef(new RTCDataChannelEvent);
 }
 
-PassRefPtrWillBeRawPtr<RTCDataChannelEvent> RTCDataChannelEvent::create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<RTCDataChannel> channel)
+PassRefPtr<RTCDataChannelEvent> RTCDataChannelEvent::create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<RTCDataChannel> channel)
 {
-    return adoptRefWillBeRefCountedGarbageCollected(new RTCDataChannelEvent(type, canBubble, cancelable, channel));
+    return adoptRef(new RTCDataChannelEvent(type, canBubble, cancelable, channel));
 }