[v8 gc] Introduce a base class for all objects that can have pending activity

third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.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 15 matching lines @@
  * 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 RTCPeerConnection_h
 #define RTCPeerConnection_h
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ScriptPromise.h"
+#include "bindings/core/v8/V8GCRoot.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "modules/EventTargetModules.h"
 #include "modules/crypto/NormalizeAlgorithm.h"
 #include "modules/mediastream/MediaStream.h"
 #include "modules/mediastream/RTCIceCandidate.h"
 #include "platform/AsyncMethodRunner.h"
 #include "public/platform/WebMediaConstraints.h"
 #include "public/platform/WebRTCPeerConnectionHandler.h"
 #include "public/platform/WebRTCPeerConnectionHandlerClient.h"
 
 namespace blink {
 class ExceptionState;
 class MediaStreamTrack;
 class RTCConfiguration;
 class RTCDTMFSender;
 class RTCDataChannel;
 class RTCIceCandidateInitOrRTCIceCandidate;
 class RTCOfferOptions;
 class RTCPeerConnectionErrorCallback;
 class RTCSessionDescription;
 class RTCSessionDescriptionCallback;
 class RTCSessionDescriptionInit;
 class RTCStatsCallback;
 class ScriptState;
 class VoidCallback;
 
 class RTCPeerConnection final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<RTCPeerConnection>
     , public WebRTCPeerConnectionHandlerClient
-    , public ActiveDOMObject {
+    , public ActiveDOMObject
+    , public V8GCRoot {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(RTCPeerConnection);
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(RTCPeerConnection);
 public:
     // TODO(hbos): Create with expired RTCCertificate should fail, see crbug.com/565278.
     static RTCPeerConnection* create(ExecutionContext*, const Dictionary&, const Dictionary&, ExceptionState&);
     ~RTCPeerConnection() override;
 
     void createOffer(ExecutionContext*, RTCSessionDescriptionCallback*, RTCPeerConnectionErrorCallback*, const Dictionary&);
     void createAnswer(ExecutionContext*, RTCSessionDescriptionCallback*, RTCPeerConnectionErrorCallback*, const Dictionary&);
@@ skipping 130 matching lines @@
     Member<AsyncMethodRunner<RTCPeerConnection>> m_dispatchScheduledEventRunner;
     HeapVector<Member<EventWrapper>> m_scheduledEvents;
 
     bool m_stopped;
     bool m_closed;
 };
 
 } // namespace blink
 
 #endif // RTCPeerConnection_h