Revert of Rename WebAnimation to WebCompositorAnimation

public/platform/WebCompositorAnimationDelegate.h

Index: public/platform/WebCompositorAnimationDelegate.h
diff --git a/public/platform/WebCompositorAnimationDelegate.h b/public/platform/WebCompositorAnimationDelegate.h
index 885c0fc702b4182bf1107d6de591af7d845fcc15..3ff14a6c3c164697518080ca437493eaf31c1057 100644
--- a/public/platform/WebCompositorAnimationDelegate.h
+++ b/public/platform/WebCompositorAnimationDelegate.h
@@ -5,21 +5,7 @@
 #ifndef WebCompositorAnimationDelegate_h
 #define WebCompositorAnimationDelegate_h
 
-#include "WebCommon.h"
-#include "WebCompositorAnimation.h"
-
-#define WEB_ANIMATION_DELEGATE_TAKES_MONOTONIC_TIME 1
-
-namespace blink {
-
-class BLINK_PLATFORM_EXPORT WebCompositorAnimationDelegate {
-public:
-    virtual ~WebCompositorAnimationDelegate() { }
-
-    virtual void notifyAnimationStarted(double monotonicTime, WebCompositorAnimation::TargetProperty) = 0;
-    virtual void notifyAnimationFinished(double monotonicTime, WebCompositorAnimation::TargetProperty) = 0;
-};
-
-} // namespace blink
+#include "WebAnimationDelegate.h"
 
 #endif // WebCompositorAnimationDelegate_h
+