NOT FOR LANDING - [WebView] Allow fling animation via the LayerScrollOffsetDelegate

cc/trees/layer_tree_impl.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/layer_tree_impl.h"
 
 #include <limits>
 #include <set>
 
 #include "base/debug/trace_event.h"
@@ skipping 54 matching lines @@
   }
 
   virtual void SetTotalPageScaleFactorAndLimits(float, float, float) OVERRIDE {
     NOTIMPLEMENTED();
   }
 
   virtual void SetScrollableSize(const gfx::SizeF& scrollable_size) OVERRIDE {
     NOTIMPLEMENTED();
   }
 
+  virtual void SetNeedsAnimate(const AnimationCallback& animation) OVERRIDE {
+    NOTIMPLEMENTED();
+  }
+
  private:
   LayerImpl* layer_;
   LayerScrollOffsetDelegate* delegate_;
   LayerTreeImpl* layer_tree_impl_;
   gfx::Vector2dF last_set_scroll_offset_;
 };
 
 LayerTreeImpl::LayerTreeImpl(LayerTreeHostImpl* layer_tree_host_impl)
     : layer_tree_host_impl_(layer_tree_host_impl),
       source_frame_number_(-1),
@@ skipping 1193 matching lines @@
 LayerImpl* LayerTreeImpl::FindLayerThatIsHitByPointInTouchHandlerRegion(
     const gfx::PointF& screen_space_point) {
   FindTouchEventLayerFunctor func = {screen_space_point};
   FindClosestMatchingLayerDataForRecursion data_for_recursion;
   FindClosestMatchingLayer(
       screen_space_point, root_layer(), func, &data_for_recursion);
   return data_for_recursion.closest_match;
 }
 
 }  // namespace cc