Oilpan: Reduce RefPtr to WorkerGlobalScope.

Source/core/events/MessageEvent.cpp

 /*
  * Copyright (C) 2007 Henry Mason (hmason@mac.com)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 42 matching lines @@
     , m_dataType(DataTypeScriptValue)
     , m_origin(initializer.origin)
     , m_lastEventId(initializer.lastEventId)
     , m_source(isValidSource(initializer.source.get()) ? initializer.source : nullptr)
     , m_ports(adoptPtr(new MessagePortArray(initializer.ports)))
 {
     ScriptWrappable::init(this);
     ASSERT(isValidSource(m_source.get()));
 }
 
-MessageEvent::MessageEvent(const String& origin, const String& lastEventId, PassRefPtr<EventTarget> source, PassOwnPtr<MessagePortArray> ports)
+MessageEvent::MessageEvent(const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr<MessagePortArray> ports)
     : Event(EventTypeNames::message, false, false)
     , m_dataType(DataTypeScriptValue)
     , m_origin(origin)
     , m_lastEventId(lastEventId)
     , m_source(source)
     , m_ports(ports)
 {
     ScriptWrappable::init(this);
     ASSERT(isValidSource(m_source.get()));
 }
 
-MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtr<EventTarget> source, PassOwnPtr<MessagePortArray> ports)
+MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr<MessagePortArray> ports)
     : Event(EventTypeNames::message, false, false)
     , m_dataType(DataTypeSerializedScriptValue)
     , m_dataAsSerializedScriptValue(data)
     , m_origin(origin)
     , m_lastEventId(lastEventId)
     , m_source(source)
     , m_ports(ports)
 {
     ScriptWrappable::init(this);
     if (m_dataAsSerializedScriptValue)
         m_dataAsSerializedScriptValue->registerMemoryAllocatedWithCurrentScriptContext();
     ASSERT(isValidSource(m_source.get()));
 }
 
-MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtr<EventTarget> source, PassOwnPtr<MessagePortChannelArray> channels)
+MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr<MessagePortChannelArray> channels)
     : Event(EventTypeNames::message, false, false)
     , m_dataType(DataTypeSerializedScriptValue)
     , m_dataAsSerializedScriptValue(data)
     , m_origin(origin)
     , m_lastEventId(lastEventId)
     , m_source(source)
     , m_channels(channels)
 {
     ScriptWrappable::init(this);
     if (m_dataAsSerializedScriptValue)
@@ skipping 79 matching lines @@
 }
 
 void MessageEvent::entangleMessagePorts(ExecutionContext* context)
 {
     m_ports = MessagePort::entanglePorts(*context, m_channels.release());
 }
 
 void MessageEvent::trace(Visitor* visitor)
 {
     visitor->trace(m_dataAsBlob);
+    visitor->trace(m_source);
     Event::trace(visitor);
 }
 
 } // namespace WebCore