Adding monotonic only API to Blink's animation delegate interface

Source/web/LinkHighlight.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 291 matching lines @@
 }
 
 void LinkHighlight::clearGraphicsLayerLinkHighlightPointer()
 {
     if (m_currentGraphicsLayer) {
         m_currentGraphicsLayer->removeLinkHighlight(this);
         m_currentGraphicsLayer = 0;
     }
 }
 
-void LinkHighlight::notifyAnimationStarted(double, double, blink::WebAnimation::TargetProperty)
+void LinkHighlight::notifyAnimationStarted(double, blink::WebAnimation::TargetProperty)
 {
 }
 
-void LinkHighlight::notifyAnimationFinished(double, double, blink::WebAnimation::TargetProperty)
+void LinkHighlight::notifyAnimationFinished(double, blink::WebAnimation::TargetProperty)
 {
     // Since WebViewImpl may hang on to us for a while, make sure we
     // release resources as soon as possible.
     clearGraphicsLayerLinkHighlightPointer();
     releaseResources();
 }
 
 void LinkHighlight::updateGeometry()
 {
     // To avoid unnecessary updates (e.g. other entities have requested animations from our WebViewImpl),
@@ skipping 28 matching lines @@
     // Make sure we update geometry on the next callback from WebViewImpl::layout().
     m_geometryNeedsUpdate = true;
 }
 
 WebLayer* LinkHighlight::layer()
 {
     return clipLayer();
 }
 
 } // namespace WeKit