Add [WillBeGarbageCollected] to Event.idl

Source/core/events/PopStateEvent.cpp

Index: Source/core/events/PopStateEvent.cpp
diff --git a/Source/core/events/PopStateEvent.cpp b/Source/core/events/PopStateEvent.cpp
index c3109327081e36fd1dc1ae5613ac9c3061ccf365..4d58b48cef3fa324c6a455078fc817e0cfea497d 100644
--- a/Source/core/events/PopStateEvent.cpp
+++ b/Source/core/events/PopStateEvent.cpp
@@ -60,19 +60,19 @@ PopStateEvent::~PopStateEvent()
 {
 }
 
-PassRefPtr<PopStateEvent> PopStateEvent::create()
+PassRefPtrWillBeRawPtr<PopStateEvent> PopStateEvent::create()
 {
-    return adoptRef(new PopStateEvent);
+    return adoptRefCountedWillBeRefCountedGarbageCollected(new PopStateEvent);
 }
 
-PassRefPtr<PopStateEvent> PopStateEvent::create(PassRefPtr<SerializedScriptValue> serializedState, PassRefPtr<History> history)
+PassRefPtrWillBeRawPtr<PopStateEvent> PopStateEvent::create(PassRefPtr<SerializedScriptValue> serializedState, PassRefPtr<History> history)
 {
-    return adoptRef(new PopStateEvent(serializedState, history));
+    return adoptRefCountedWillBeRefCountedGarbageCollected(new PopStateEvent(serializedState, history));
 }
 
-PassRefPtr<PopStateEvent> PopStateEvent::create(const AtomicString& type, const PopStateEventInit& initializer)
+PassRefPtrWillBeRawPtr<PopStateEvent> PopStateEvent::create(const AtomicString& type, const PopStateEventInit& initializer)
 {
-    return adoptRef(new PopStateEvent(type, initializer));
+    return adoptRefCountedWillBeRefCountedGarbageCollected(new PopStateEvent(type, initializer));
 }
 
 const AtomicString& PopStateEvent::interfaceName() const