ActiveScriptWrappable: GC wrappers in detached ExecutionContexts.

third_party/WebKit/Source/modules/mediarecorder/MediaRecorder.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MediaRecorder_h
 #define MediaRecorder_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "core/dom/SuspendableObject.h"
 #include "core/events/EventTarget.h"
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
 #include "modules/mediarecorder/MediaRecorderOptions.h"
 #include "modules/mediastream/MediaStream.h"
 #include "platform/AsyncMethodRunner.h"
 #include "public/platform/WebMediaRecorderHandler.h"
 #include "public/platform/WebMediaRecorderHandlerClient.h"
 #include <memory>
 
 namespace blink {
 
 class Blob;
 class BlobData;
 class ExceptionState;
 
-class MODULES_EXPORT MediaRecorder final : public EventTargetWithInlineData,
-                                           public WebMediaRecorderHandlerClient,
-                                           public ActiveScriptWrappable,
-                                           public SuspendableObject {
+class MODULES_EXPORT MediaRecorder final
+    : public EventTargetWithInlineData,
+      public WebMediaRecorderHandlerClient,
+      public ActiveScriptWrappable<MediaRecorder>,
+      public SuspendableObject {
   USING_GARBAGE_COLLECTED_MIXIN(MediaRecorder);
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   enum class State { Inactive = 0, Recording, Paused };
 
   static MediaRecorder* create(ExecutionContext*,
                                MediaStream*,
                                ExceptionState&);
   static MediaRecorder* create(ExecutionContext*,
@@ skipping 73 matching lines @@
 
   std::unique_ptr<WebMediaRecorderHandler> m_recorderHandler;
 
   Member<AsyncMethodRunner<MediaRecorder>> m_dispatchScheduledEventRunner;
   HeapVector<Member<Event>> m_scheduledEvents;
 };
 
 }  // namespace blink
 
 #endif  // MediaRecorder_h