sync compositor: Remove begin frame source

content/content_renderer.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',
     '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
     '../cc/cc.gyp:cc',
     '../cc/cc.gyp:cc_proto',
@@ skipping 99 matching lines @@
       'renderer/android/content_detector.cc',
       'renderer/android/content_detector.h',
       'renderer/android/disambiguation_popup_helper.cc',
       'renderer/android/disambiguation_popup_helper.h',
       'renderer/android/email_detector.cc',
       'renderer/android/email_detector.h',
       'renderer/android/phone_number_detector.cc',
       'renderer/android/phone_number_detector.h',
       'renderer/android/renderer_date_time_picker.cc',
       'renderer/android/renderer_date_time_picker.h',
-      'renderer/android/synchronous_compositor_external_begin_frame_source.cc',
-      'renderer/android/synchronous_compositor_external_begin_frame_source.h',
       'renderer/android/synchronous_compositor_filter.cc',
       'renderer/android/synchronous_compositor_filter.h',
       'renderer/android/synchronous_compositor_output_surface.cc',
       'renderer/android/synchronous_compositor_output_surface.h',
       'renderer/android/synchronous_compositor_proxy.cc',
       'renderer/android/synchronous_compositor_proxy.h',
       'renderer/android/synchronous_compositor_registry.h',
       'renderer/background_sync/background_sync_client_impl.cc',
       'renderer/background_sync/background_sync_client_impl.h',
       'renderer/bluetooth/bluetooth_type_converters.cc',
@@ skipping 778 matching lines @@
     }],
   ],
   'target_conditions': [
     ['OS=="android"', {
       'sources/': [
         ['include', '^renderer/render_view_linux\\.cc$'],
       ],
     }],
   ],
 }