Oilpan: Use weak processing to stop a closed RTCPeerConnection

Source/modules/mediastream/RTCDataChannel.h

Index: Source/modules/mediastream/RTCDataChannel.h
diff --git a/Source/modules/mediastream/RTCDataChannel.h b/Source/modules/mediastream/RTCDataChannel.h
index 8cd17b7b7034a3c878273012e3463aa72d3c2af7..61c121b3c0b694c26f040fbf0d8155b820bc5c7d 100644
--- a/Source/modules/mediastream/RTCDataChannel.h
+++ b/Source/modules/mediastream/RTCDataChannel.h
@@ -43,13 +43,14 @@ namespace WebCore {
 
 class Blob;
 class ExceptionState;
+class RTCPeerConnection;
 
 class RTCDataChannel FINAL : public RefCountedWillBeRefCountedGarbageCollected<RTCDataChannel>, public ScriptWrappable, public EventTargetWithInlineData, public blink::WebRTCDataChannelHandlerClient {
     REFCOUNTED_EVENT_TARGET(RTCDataChannel);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(RTCDataChannel);
 public:
-    static PassRefPtrWillBeRawPtr<RTCDataChannel> create(ExecutionContext*, PassOwnPtr<blink::WebRTCDataChannelHandler>);
-    static PassRefPtrWillBeRawPtr<RTCDataChannel> create(ExecutionContext*, blink::WebRTCPeerConnectionHandler*, const String& label, const blink::WebRTCDataChannelInit&, ExceptionState&);
+    static PassRefPtrWillBeRawPtr<RTCDataChannel> create(ExecutionContext*, RTCPeerConnection*, PassOwnPtr<blink::WebRTCDataChannelHandler>);
+    static PassRefPtrWillBeRawPtr<RTCDataChannel> create(ExecutionContext*, RTCPeerConnection*, blink::WebRTCPeerConnectionHandler*, const String& label, const blink::WebRTCDataChannelInit&, ExceptionState&);
     virtual ~RTCDataChannel();
 
     String label() const;
@@ -87,10 +88,14 @@ public:
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
+#if ENABLE(OILPAN)
+    void clearWeakMembers(Visitor*);
+#endif
+
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
-    RTCDataChannel(ExecutionContext*, PassOwnPtr<blink::WebRTCDataChannelHandler>);
+    RTCDataChannel(ExecutionContext*, RTCPeerConnection*, PassOwnPtr<blink::WebRTCDataChannelHandler>);
 
     void scheduleDispatchEvent(PassRefPtrWillBeRawPtr<Event>);
     void scheduledEventTimerFired(Timer<RTCDataChannel>*);
@@ -117,6 +122,10 @@ private:
 
     Timer<RTCDataChannel> m_scheduledEventTimer;
     WillBeHeapVector<RefPtrWillBeMember<Event> > m_scheduledEvents;
+
+#if ENABLE(OILPAN)
+    WeakMember<RTCPeerConnection> m_connection;
+#endif
 };
 
 } // namespace WebCore