Add [WillBeGarbageCollected] to Event.idl

Source/modules/serviceworkers/InstallEvent.cpp

Index: Source/modules/serviceworkers/InstallEvent.cpp
diff --git a/Source/modules/serviceworkers/InstallEvent.cpp b/Source/modules/serviceworkers/InstallEvent.cpp
index 2aae7882a73a39c61ac8ccafdd2af19b990e1302..5c30abb3bcdaaf008716eb7a321395b2e002ed70 100644
--- a/Source/modules/serviceworkers/InstallEvent.cpp
+++ b/Source/modules/serviceworkers/InstallEvent.cpp
@@ -38,14 +38,14 @@
 
 namespace WebCore {
 
-PassRefPtr<InstallEvent> InstallEvent::create()
+PassRefPtrWillBeRawPtr<InstallEvent> InstallEvent::create()
 {
-    return adoptRef(new InstallEvent());
+    return adoptRefWillBeRefCountedGarbageCollected(new InstallEvent());
 }
 
-PassRefPtr<InstallEvent> InstallEvent::create(const AtomicString& type, const EventInit& initializer, PassRefPtr<WaitUntilObserver> observer)
+PassRefPtrWillBeRawPtr<InstallEvent> InstallEvent::create(const AtomicString& type, const EventInit& initializer, PassRefPtr<WaitUntilObserver> observer)
 {
-    return adoptRef(new InstallEvent(type, initializer, observer));
+    return adoptRefWillBeRefCountedGarbageCollected(new InstallEvent(type, initializer, observer));
 }
 
 void InstallEvent::replace()