Change RefPtr<DOMWrapperWorld> that causes reference cycles to DOMWrapperWorld*

Source/bindings/v8/V8AbstractEventListener.cpp

Index: Source/bindings/v8/V8AbstractEventListener.cpp
diff --git a/Source/bindings/v8/V8AbstractEventListener.cpp b/Source/bindings/v8/V8AbstractEventListener.cpp
index 93134d5f8ae0f0588fc5dfe595f204900e5bf0f2..6216e2554e7ebbfb132a65bf45af922920852210 100644
--- a/Source/bindings/v8/V8AbstractEventListener.cpp
+++ b/Source/bindings/v8/V8AbstractEventListener.cpp
@@ -43,7 +43,7 @@
 
 namespace WebCore {
 
-V8AbstractEventListener::V8AbstractEventListener(bool isAttribute, PassRefPtr<DOMWrapperWorld> world, v8::Isolate* isolate)
+V8AbstractEventListener::V8AbstractEventListener(bool isAttribute, DOMWrapperWorld* world, v8::Isolate* isolate)
     : EventListener(JSEventListenerType)
     , m_isAttribute(isAttribute)
     , m_world(world)
@@ -77,7 +77,7 @@ void V8AbstractEventListener::handleEvent(ExecutionContext* context, Event* even
 
     v8::HandleScope handleScope(m_isolate);
 
-    v8::Local<v8::Context> v8Context = toV8Context(context, world());
+    v8::Local<v8::Context> v8Context = toV8Context(context, m_world);
     if (v8Context.IsEmpty())
         return;
 
@@ -104,7 +104,7 @@ void V8AbstractEventListener::invokeEventHandler(ExecutionContext* context, Even
     if (jsEvent.IsEmpty())
         return;
 
-    v8::Local<v8::Context> v8Context = toV8Context(context, world());
+    v8::Local<v8::Context> v8Context = toV8Context(context, m_world);
     if (v8Context.IsEmpty())
         return;
 
@@ -167,7 +167,7 @@ bool V8AbstractEventListener::shouldPreventDefault(v8::Local<v8::Value> returnVa
 
 v8::Local<v8::Object> V8AbstractEventListener::getReceiverObject(ExecutionContext* context, Event* event)
 {
-    v8::Isolate* isolate = toV8Context(context, world())->GetIsolate();
+    v8::Isolate* isolate = toV8Context(context, m_world)->GetIsolate();
     v8::Local<v8::Object> listener = m_listener.newLocal(isolate);
     if (!m_listener.isEmpty() && !listener->IsFunction())
         return listener;