Reduce SuspendableObjects

third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.h

Index: third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.h
diff --git a/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.h b/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.h
index 08adeb7a46e3c3a3b254be76b7f318abd7a61500..59b983753b663cff82c40bc0cf5143e6a2b3e383 100644
--- a/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.h
+++ b/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.h
@@ -28,8 +28,8 @@
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptPromiseProperty.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMArrayPiece.h"
-#include "core/dom/SuspendableObject.h"
 #include "modules/EventTargetModules.h"
 #include "modules/encryptedmedia/MediaKeyStatusMap.h"
 #include "platform/Timer.h"
@@ -64,7 +64,7 @@ class MediaKeys;
 class MediaKeySession final
     : public EventTargetWithInlineData,
       public ActiveScriptWrappable<MediaKeySession>,
-      public SuspendableObject,
+      public ContextLifecycleObserver,
       private WebContentDecryptionModuleSession::Client {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(MediaKeySession);
@@ -99,7 +99,7 @@ class MediaKeySession final
   // ScriptWrappable
   bool hasPendingActivity() const final;
 
-  // SuspendableObject
+  // ContextLifecycleObserver
   void contextDestroyed() override;
 
   DECLARE_VIRTUAL_TRACE();