Adding monotonic only API to Blink's animation delegate interface

public/platform/WebAnimationDelegate.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
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  * modification, are permitted provided that the following conditions
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  *
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  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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 #ifndef WebAnimationDelegate_h
 #define WebAnimationDelegate_h
 
 #include "WebAnimation.h"
+#include "WebCommon.h"
 
 #define WEB_ANIMATION_DELEGATE_TAKES_MONOTONIC_TIME 1
 
 namespace blink {
 
-class WebAnimationDelegate {
+class BLINK_PLATFORM_EXPORT WebAnimationDelegate {
 public:
-    // FIXME: Remove wallClockTime once the legacy implementation of CSS
-    // animations and transitions is removed.
-    virtual void notifyAnimationStarted(double wallClockTime, double monotonicTime, WebAnimation::TargetProperty) = 0;
-    virtual void notifyAnimationFinished(double wallClockTime, double monotonicTime, WebAnimation::TargetProperty) = 0;
+    // FIXME: Remove wallClockTime API after the following file is updated;
+    // webkit/renderer/compositor_bindings/web_to_cc_animation_delegate_adapter.cc
+    void notifyAnimationStarted(double wallClockTime, double monotonicTime, WebAnimation::TargetProperty prop)
+    {
+        notifyAnimationStarted(monotonicTime, prop);
+    }
+    void notifyAnimationFinished(double wallClockTime, double monotonicTime, WebAnimation::TargetProperty prop)
+    {
+        notifyAnimationFinished(monotonicTime, prop);
+    }
+    virtual void notifyAnimationStarted(double monotonicTime, WebAnimation::TargetProperty) = 0;
+    virtual void notifyAnimationFinished(double monotonicTime, WebAnimation::TargetProperty) = 0;
 };
 
 } // namespace blink
 
 #endif // WebAnimationDelegate_h