Add MD ink drop ripple to shelf app items

ash/ash.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # These files lists are shared with the GN build.
     'ash_sources': [
       'accelerators/accelerator_commands.cc',
@@ skipping 394 matching lines @@
       'rotator/window_rotation.h',
       'scoped_target_root_window.cc',
       'scoped_target_root_window.h',
       'screen_util.cc',
       'screen_util.h',
       'screenshot_delegate.h',
       'shelf/app_list_button.cc',
       'shelf/app_list_button.h',
       'shelf/app_list_shelf_item_delegate.cc',
       'shelf/app_list_shelf_item_delegate.h',
+      'shelf/ink_drop_button_listener.h',
       'shelf/overflow_bubble.cc',
       'shelf/overflow_bubble.h',
       'shelf/overflow_bubble_view.cc',
       'shelf/overflow_bubble_view.h',
       'shelf/overflow_button.cc',
       'shelf/overflow_button.h',
       'shelf/scoped_observer_with_duplicated_sources.h',
       'shelf/shelf.cc',
       'shelf/shelf.h',
       'shelf/shelf_bezel_event_filter.cc',
@@ skipping 816 matching lines @@
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:test_support_base',
         '../chrome/chrome_resources.gyp:packed_resources',
         '../components/components.gyp:signin_core_account_id',
         '../components/components.gyp:user_manager',
         '../content/content.gyp:content_browser',
         '../content/content_shell_and_tests.gyp:test_support_content',
         '../skia/skia.gyp:skia',
+        '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../ui/accessibility/accessibility.gyp:accessibility',
         '../ui/app_list/app_list.gyp:app_list',
         '../ui/app_list/presenter/app_list_presenter.gyp:app_list_presenter',
         '../ui/aura/aura.gyp:aura',
         '../ui/aura/aura.gyp:aura_test_support',
         '../ui/base/ime/ui_base_ime.gyp:ui_base_ime',
         '../ui/base/ui_base.gyp:ui_base',
@@ skipping 191 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }