Oilpan: move MessagePortArray to the heap.

Source/core/dom/MessagePort.h

 /*
  * Copyright (C) 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 33 matching lines @@
 namespace WebCore {
 
 class Event;
 class ExceptionState;
 class LocalFrame;
 class MessagePort;
 class ExecutionContext;
 class SerializedScriptValue;
 
 // The overwhelmingly common case is sending a single port, so handle that efficiently with an inline buffer of size 1.
-typedef Vector<RefPtr<MessagePort>, 1> MessagePortArray;
+typedef WillBeHeapVector<RefPtrWillBeMember<MessagePort>, 1> MessagePortArray;
 
 // Not to be confused with blink::WebMessagePortChannelArray; this one uses Vector and OwnPtr instead of WebVector and raw pointers.
 typedef Vector<OwnPtr<blink::WebMessagePortChannel>, 1> MessagePortChannelArray;
 
 class MessagePort FINAL : public RefCountedWillBeRefCountedGarbageCollected<MessagePort>
     , public ActiveDOMObject
     , public EventTargetWithInlineData
     , public ScriptWrappable
     , public blink::WebMessagePortChannelClient {
     REFCOUNTED_EVENT_TARGET(MessagePort);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MessagePort);
 public:
     static PassRefPtrWillBeRawPtr<MessagePort> create(ExecutionContext&);
     virtual ~MessagePort();
 
     void postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&);
 
     void start();
     void close();
 
     void entangle(PassOwnPtr<blink::WebMessagePortChannel>);
     PassOwnPtr<blink::WebMessagePortChannel> disentangle();
 
     static PassOwnPtr<blink::WebMessagePortChannelArray> toWebMessagePortChannelArray(PassOwnPtr<MessagePortChannelArray>);
-    static PassOwnPtr<MessagePortArray> toMessagePortArray(ExecutionContext*, const blink::WebMessagePortChannelArray&);
+    static PassOwnPtrWillBeRawPtr<MessagePortArray> toMessagePortArray(ExecutionContext*, const blink::WebMessagePortChannelArray&);
 
     // Returns 0 if there is an exception, or if the passed-in array is 0/empty.
     static PassOwnPtr<MessagePortChannelArray> disentanglePorts(const MessagePortArray*, ExceptionState&);
 
     // Returns 0 if the passed array is 0/empty.
-    static PassOwnPtr<MessagePortArray> entanglePorts(ExecutionContext&, PassOwnPtr<MessagePortChannelArray>);
+    static PassOwnPtrWillBeRawPtr<MessagePortArray> entanglePorts(ExecutionContext&, PassOwnPtr<MessagePortChannelArray>);
 
     bool started() const { return m_started; }
 
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE { return ActiveDOMObject::executionContext(); }
     virtual MessagePort* toMessagePort() OVERRIDE { return this; }
 
     // ActiveDOMObject implementation.
     virtual bool hasPendingActivity() const OVERRIDE;
     virtual void stop() OVERRIDE { close(); }
@@ skipping 22 matching lines @@
 
     bool m_started;
     bool m_closed;
 
     WeakPtrFactory<MessagePort> m_weakFactory;
 };
 
 } // namespace WebCore
 
 #endif // MessagePort_h