Reduce SuspendableObjects

third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h

Index: third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h
diff --git a/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h b/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h
index 15c60f104a9c1c322a11b713818b43a70c9787d8..27dad2b6e970e991bc9c0ccdfdffd5cd9962bdb9 100644
--- a/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h
+++ b/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h
@@ -27,7 +27,7 @@
 #define MediaStreamTrack_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
-#include "core/dom/SuspendableObject.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
 #include "platform/mediastream/MediaStreamDescriptor.h"
@@ -47,7 +47,7 @@ class MediaTrackSettings;
 class MODULES_EXPORT MediaStreamTrack
     : public EventTargetWithInlineData,
       public ActiveScriptWrappable<MediaStreamTrack>,
-      public SuspendableObject,
+      public ContextLifecycleObserver,
       public MediaStreamSource::Observer {
   USING_GARBAGE_COLLECTED_MIXIN(MediaStreamTrack);
   DEFINE_WRAPPERTYPEINFO();
@@ -99,7 +99,7 @@ class MODULES_EXPORT MediaStreamTrack
   // ScriptWrappable
   bool hasPendingActivity() const final;
 
-  // SuspendableObject
+  // ContextLifecycleObserver
   void contextDestroyed() override;
 
   std::unique_ptr<AudioSourceProvider> createWebAudioSource();