Adding compositor callbacks to RenderWidgetHostViewAndroid

ui/ui.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,
   },
   'targets': [
     {
@@ skipping 50 matching lines @@
         'base/accessibility/accessible_text_utils.cc',
         'base/accessibility/accessible_text_utils.h',
         'base/accessibility/accessible_view_state.cc',
         'base/accessibility/accessible_view_state.h',
         'base/android/ui_base_jni_registrar.cc',
         'base/android/ui_base_jni_registrar.h',
         'base/android/view_android.cc',
         'base/android/view_android.h',
         'base/android/window_android.cc',
         'base/android/window_android.h',
+        'base/android/window_android_observer.h',
         'base/base_window.cc',
         'base/base_window.h',
         'base/clipboard/clipboard.cc',
         'base/clipboard/clipboard.h',
         'base/clipboard/clipboard_android.cc',
         'base/clipboard/clipboard_android_initialization.h',
         'base/clipboard/clipboard_aura.cc',
         'base/clipboard/clipboard_aurax11.cc',
         'base/clipboard/clipboard_constants.cc',
         'base/clipboard/clipboard_gtk.cc',
@@ skipping 622 matching lines @@
               'xcode_settings': {
                 'GCC_SYMBOLS_PRIVATE_EXTERN': 'NO',
               },
             }],
           ],
         },
       ],
     }],
   ],
 }