Add MD ink drop ripple to app list button

ash/shelf/shelf.cc

 // Copyright 2013 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 "ash/shelf/shelf.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "ash/aura/wm_window_aura.h"
@@ skipping 163 matching lines @@
 }
 
 bool Shelf::IsVisible() const {
   return shelf_view_->visible();
 }
 
 void Shelf::SchedulePaint() {
   shelf_view_->SchedulePaintForAllButtons();
 }
 
-views::View* Shelf::GetAppListButtonView() const {
-  return shelf_view_->GetAppListButtonView();
+AppListButton* Shelf::GetAppListButton() const {
+  return shelf_view_->GetAppListButton();
 }
 
 void Shelf::LaunchAppIndexAt(int item_index) {
   ShelfModel* shelf_model = shelf_view_->model();
   const ShelfItems& items = shelf_model->items();
   int item_count = shelf_model->item_count();
   int indexes_left = item_index >= 0 ? item_index : item_count;
   int found_index = -1;
 
   // Iterating until we have hit the index we are interested in which
@@ skipping 16 matching lines @@
 
 gfx::Rect Shelf::GetVisibleItemsBoundsInScreen() const {
   return shelf_view_->GetVisibleItemsBoundsInScreen();
 }
 
 app_list::ApplicationDragAndDropHost* Shelf::GetDragAndDropHostForAppList() {
   return shelf_view_;
 }
 
 }  // namespace ash