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

third_party/WebKit/Source/modules/notifications/Notification.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (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 Notification_h
 #define Notification_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
+#include "bindings/core/v8/V8GCRoot.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/DOMTimeStamp.h"
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
 #include "modules/vibration/NavigatorVibration.h"
 #include "platform/AsyncMethodRunner.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/WebVector.h"
 #include "public/platform/modules/notifications/WebNotificationData.h"
 #include "public/platform/modules/notifications/WebNotificationDelegate.h"
 #include "public/platform/modules/notifications/WebNotificationPermission.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class ExecutionContext;
 class NotificationAction;
 class NotificationOptions;
 class NotificationPermissionCallback;
 class ScriptState;
 
-class MODULES_EXPORT Notification final : public RefCountedGarbageCollectedEventTargetWithInlineData<Notification>, public ActiveDOMObject, public WebNotificationDelegate {
+class MODULES_EXPORT Notification final : public RefCountedGarbageCollectedEventTargetWithInlineData<Notification>, public ActiveDOMObject, public WebNotificationDelegate, public V8GCRoot {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(Notification);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Notification);
     DEFINE_WRAPPERTYPEINFO();
 public:
     // Used for JavaScript instantiations of the Notification object. Will automatically schedule for
     // the notification to be displayed to the user when the developer-provided data is valid.
     static Notification* create(ExecutionContext*, const String& title, const NotificationOptions&, ExceptionState&);
 
     // Used for embedder-created Notification objects. If |showing| is true, will initialize the
     // Notification's state as showing, or as closed otherwise.
@@ skipping 85 matching lines @@
     void setState(NotificationState state) { m_state = state; }
 
     NotificationState m_state;
 
     Member<AsyncMethodRunner<Notification>> m_asyncRunner;
 };
 
 } // namespace blink
 
 #endif // Notification_h