cc: Route offscreen context creation for compositor to the browser.

cc/cc.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': {
     'cc_source_files': [
       'animation.cc',
       'animation.h',
       'animation_curve.cc',
@@ skipping 17 matching lines @@
       'compositor_frame_ack.h',
       'compositor_frame_metadata.cc',
       'compositor_frame_metadata.h',
       'content_layer.cc',
       'content_layer.h',
       'content_layer_client.h',
       'content_layer_updater.cc',
       'content_layer_updater.h',
       'contents_scaling_layer.cc',
       'contents_scaling_layer.h',
+      'context_provider.h',
       'damage_tracker.cc',
       'damage_tracker.h',
       'debug_border_draw_quad.cc',
       'debug_border_draw_quad.h',
       'debug_colors.cc',
       'debug_colors.h',
       'debug_rect_history.cc',
       'debug_rect_history.h',
       'delay_based_time_source.cc',
       'delay_based_time_source.h',
@@ skipping 305 matching lines @@
         'include_dirs': [
           # TODO(jamesr): Remove once https://webkit.org/b/105259 lands + rolls
           '<(webkit_src_dir)/Source/Platform/chromium'
         ]
       },
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }