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

third_party/WebKit/Source/core/html/HTMLMediaElement.h

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 #ifndef HTMLMediaElement_h
 #define HTMLMediaElement_h
 
+#include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "core/CoreExport.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/events/GenericEventQueue.h"
 #include "core/html/AutoplayExperimentHelper.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/track/TextTrack.h"
 #include "platform/Supplementable.h"
 #include "platform/audio/AudioSourceProvider.h"
@@ skipping 18 matching lines @@
 class ScriptState;
 class TextTrackContainer;
 class TextTrackList;
 class TimeRanges;
 class URLRegistry;
 class VideoTrackList;
 class WebAudioSourceProvider;
 class WebInbandTextTrack;
 class WebLayer;
 
-class CORE_EXPORT HTMLMediaElement : public HTMLElement, public WillBeHeapSupplementable<HTMLMediaElement>, public ActiveDOMObject, private WebMediaPlayerClient {
+class CORE_EXPORT HTMLMediaElement : public HTMLElement, public WillBeHeapSupplementable<HTMLMediaElement>, public ActiveScriptWrappable, public ActiveDOMObject, private WebMediaPlayerClient {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLMediaElement);
     WILL_BE_USING_PRE_FINALIZER(HTMLMediaElement, dispose);
 public:
     static WebMimeRegistry::SupportsType supportsType(const ContentType&);
 
     enum class RecordMetricsBehavior {
         DoNotRecord,
         DoRecord
     };
@@ skipping 146 matching lines @@
     // Note that this can be non-null even if there is no controls attribute.
     MediaControls* mediaControls() const;
 
     // Notifies the media element that the media controls became visible, so
     // that text track layout may be updated to avoid overlapping them.
     void mediaControlsDidBecomeVisible();
 
     void sourceWasRemoved(HTMLSourceElement*);
     void sourceWasAdded(HTMLSourceElement*);
 
-    // ActiveDOMObject functions.
+    // ActiveScriptWrappable functions.
     bool hasPendingActivity() const final;
 
     AudioSourceProviderClient* audioSourceNode() { return m_audioSourceNode; }
     void setAudioSourceNode(AudioSourceProviderClient*);
 
     AudioSourceProvider& getAudioSourceProvider() { return m_audioSourceProvider; }
 
     enum InvalidURLAction { DoNothing, Complain };
     bool isSafeToLoadURL(const KURL&, InvalidURLAction);
 
@@ skipping 399 matching lines @@
 inline bool isHTMLMediaElement(const HTMLElement& element)
 {
     return isHTMLAudioElement(element) || isHTMLVideoElement(element);
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } // namespace blink
 
 #endif // HTMLMediaElement_h