Allow PeerConnection to be garbage collected after close().

Source/modules/mediastream/RTCVoidRequestImpl.h

 /*
  * Copyright (C) 2012 Google 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef RTCVoidRequestImpl_h
 #define RTCVoidRequestImpl_h
 
 #include "core/dom/ActiveDOMObject.h"
+#include "platform/heap/Handle.h"
 #include "platform/mediastream/RTCVoidRequest.h"
 
 namespace WebCore {
 
 class RTCErrorCallback;
+class RTCPeerConnection;
 class VoidCallback;
 
 class RTCVoidRequestImpl FINAL : public RTCVoidRequest, public ActiveDOMObject {
 public:
-    static PassRefPtr<RTCVoidRequestImpl> create(ExecutionContext*, PassOwnPtr<VoidCallback>, PassOwnPtr<RTCErrorCallback>);
+    static PassRefPtr<RTCVoidRequestImpl> create(ExecutionContext*, PassRefPtrWillBeRawPtr<RTCPeerConnection>, PassOwnPtr<VoidCallback>, PassOwnPtr<RTCErrorCallback>);
     virtual ~RTCVoidRequestImpl();
 
     // RTCVoidRequest
     virtual void requestSucceeded() OVERRIDE;
     virtual void requestFailed(const String& error) OVERRIDE;
 
     // ActiveDOMObject
     virtual void stop() OVERRIDE;
 
 private:
-    RTCVoidRequestImpl(ExecutionContext*, PassOwnPtr<VoidCallback>, PassOwnPtr<RTCErrorCallback>);
+    RTCVoidRequestImpl(ExecutionContext*, PassRefPtrWillBeRawPtr<RTCPeerConnection>, PassOwnPtr<VoidCallback>, PassOwnPtr<RTCErrorCallback>);
 
     void clear();
 
     OwnPtr<VoidCallback> m_successCallback;
     OwnPtr<RTCErrorCallback> m_errorCallback;
+
+    RefPtrWillBePersistent<RTCPeerConnection> m_requester;
 };
 
 } // namespace WebCore
 
 #endif // RTCVoidRequestImpl_h
-
-