Very basic Android browser-side compositing support.

content/content_shell.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.
 
 {
   'variables': {
     'content_shell_product_name': 'Content Shell',
   },
   'targets': [
     {
@@ skipping 553 matching lines @@
             'content_shell_pak',
             # Skia is necessary to ensure the dependencies needed by
             # WebContents are included.
             '../skia/skia.gyp:skia',
             '<(DEPTH)/media/media.gyp:player_android',
           ],
           'include_dirs': [
             '<(SHARED_INTERMEDIATE_DIR)/content/shell',
           ],
           'sources': [
-            'shell/android/draw_context.cc',
-            'shell/android/draw_context.h',
             'shell/android/shell_library_loader.cc',
             'shell/android/shell_library_loader.h',
             'shell/android/shell_manager.cc',
             'shell/android/shell_manager.h',
           ],
           'sources!': [
             'shell/shell_main.cc',
             'shell/shell_main.h',
           ],
           'conditions': [
@@ skipping 85 matching lines @@
               'dependencies': [
                 'content_java',
               ],
             }
           ],
         },
       ],
     }],  # OS=="android"
   ]
 }