[ash-md] Added different highlighting modes to the InkDropImpl.

ui/views/animation/square_ink_drop_ripple.cc

 // Copyright 2016 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 "ui/views/animation/square_ink_drop_ripple.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "ui/compositor/layer.h"
@@ skipping 214 matching lines @@
   SetOpacity(visible_opacity_);
   InkDropTransforms transforms;
   GetActivatedTargetTransforms(&transforms);
   SetTransforms(transforms);
 }
 
 ui::Layer* SquareInkDropRipple::GetRootLayer() {
   return &root_layer_;
 }
 
-bool SquareInkDropRipple::OverridesHighlight() const {
-  return true;
-}
-
 float SquareInkDropRipple::GetCurrentOpacity() const {
   return root_layer_.opacity();
 }
 
 std::string SquareInkDropRipple::ToLayerName(PaintedShape painted_shape) {
   switch (painted_shape) {
     case TOP_LEFT_CIRCLE:
       return "TOP_LEFT_CIRCLE";
     case TOP_RIGHT_CIRCLE:
       return "TOP_RIGHT_CIRCLE";
@@ skipping 394 matching lines @@
   layer->set_delegate(delegate);
   layer->SetVisible(true);
   layer->SetOpacity(1.0);
   layer->SetMasksToBounds(false);
   layer->set_name("PAINTED_SHAPE_COUNT:" + ToLayerName(painted_shape));
 
   painted_layers_[painted_shape].reset(layer);
 }
 
 }  // namespace views