Reduce SuspendableObjects

third_party/WebKit/Source/core/animation/Animation.h

Index: third_party/WebKit/Source/core/animation/Animation.h
diff --git a/third_party/WebKit/Source/core/animation/Animation.h b/third_party/WebKit/Source/core/animation/Animation.h
index 5d4a23aa316daaac2e4247c5baa7e5c412bb9b74..e4a988ec1adfc3756eab3d459eb8e6bcb787a939 100644
--- a/third_party/WebKit/Source/core/animation/Animation.h
+++ b/third_party/WebKit/Source/core/animation/Animation.h
@@ -38,8 +38,8 @@
 #include "core/CSSPropertyNames.h"
 #include "core/CoreExport.h"
 #include "core/animation/AnimationEffectReadOnly.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMException.h"
-#include "core/dom/SuspendableObject.h"
 #include "core/events/EventTarget.h"
 #include "platform/animation/CompositorAnimationDelegate.h"
 #include "platform/animation/CompositorAnimationPlayerClient.h"
@@ -57,7 +57,7 @@ class TreeScope;
 
 class CORE_EXPORT Animation final : public EventTargetWithInlineData,
                                     public ActiveScriptWrappable<Animation>,
-                                    public SuspendableObject,
+                                    public ContextLifecycleObserver,
                                     public CompositorAnimationDelegate,
                                     public CompositorAnimationPlayerClient {
   DEFINE_WRAPPERTYPEINFO();