Plumb Blink notification actions to button UI on desktop

content/content_common.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../gpu/command_buffer/command_buffer.gyp:gles2_utils',
     '../net/net.gyp:net',
@@ skipping 436 matching lines @@
       'common/mojo/channel_init.h',
       'common/mojo/mojo_messages.h',
       'common/mojo/service_registry_impl.cc',
       'common/mojo/service_registry_impl.h',
       'common/navigation_gesture.h',
       'common/navigation_params.cc',
       'common/navigation_params.h',
       'common/net/url_fetcher.cc',
       'common/net/url_request_user_data.cc',
       'common/net/url_request_user_data.h',
+      'common/notification_constants.h',
       'common/one_writer_seqlock.cc',
       'common/one_writer_seqlock.h',
       'common/origin_util.cc',
       'common/p2p_messages.h',
       'common/page_state_serialization.cc',
       'common/page_state_serialization.h',
       'common/page_zoom.cc',
       'common/pepper_file_util.cc',
       'common/pepper_file_util.h',
       'common/pepper_messages.h',
@@ skipping 614 matching lines @@
         'common/gpu/client/gpu_memory_buffer_impl_ozone.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_pixmap.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_pixmap.h',
         'common/gpu/gpu_memory_buffer_factory_ozone.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_pixmap.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_pixmap.h',
       ],
     }],
   ],
 }