Allow textures to be moved from one GL context group to another.

gpu/command_buffer_service.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.
 
 {
   'include_dirs': [
     '..',
     '<(DEPTH)/third_party/khronos',
   ],
   'all_dependent_settings': {
     'include_dirs': [
       '..',
       '<(DEPTH)/third_party/khronos',
     ],
   },
   'dependencies': [
     '../base/base.gyp:base',
+    '../crypto/crypto.gyp:crypto',
     '../ui/gfx/gl/gl.gyp:gl',
     '../ui/gfx/surface/surface.gyp:surface',
     '../ui/ui.gyp:ui',
     '../third_party/angle/src/build_angle.gyp:translator_glsl',
   ],
   'sources': [
     'command_buffer/service/buffer_manager.h',
     'command_buffer/service/buffer_manager.cc',
     'command_buffer/service/framebuffer_manager.h',
     'command_buffer/service/framebuffer_manager.cc',
@@ skipping 18 matching lines @@
     'command_buffer/service/gles2_cmd_validation_autogen.h',
     'command_buffer/service/gles2_cmd_validation_implementation_autogen.h',
     'command_buffer/service/gl_utils.h',
     'command_buffer/service/gpu_scheduler.h',
     'command_buffer/service/gpu_scheduler.cc',
     'command_buffer/service/gpu_scheduler_mock.h',
     'command_buffer/service/gpu_switches.h',
     'command_buffer/service/gpu_switches.cc',
     'command_buffer/service/id_manager.h',
     'command_buffer/service/id_manager.cc',
+    'command_buffer/service/mailbox_manager.cc',
+    'command_buffer/service/mailbox_manager.h',
     'command_buffer/service/mocks.h',
     'command_buffer/service/program_manager.h',
     'command_buffer/service/program_manager.cc',
     'command_buffer/service/query_manager.h',
     'command_buffer/service/query_manager.cc',
     'command_buffer/service/renderbuffer_manager.h',
     'command_buffer/service/renderbuffer_manager.cc',
     'command_buffer/service/shader_manager.h',
     'command_buffer/service/shader_manager.cc',
     'command_buffer/service/shader_translator.h',
     'command_buffer/service/shader_translator.cc',
     'command_buffer/service/stream_texture.h',
     'command_buffer/service/stream_texture_manager.h',
+    'command_buffer/service/texture_definition.cc',
+    'command_buffer/service/texture_definition.h',
     'command_buffer/service/texture_manager.h',
     'command_buffer/service/texture_manager.cc',
     'command_buffer/service/vertex_attrib_manager.h',
     'command_buffer/service/vertex_attrib_manager.cc',
   ],
   'conditions': [
     ['toolkit_uses_gtk == 1', {
       'dependencies': [
         '../build/linux/system.gyp:gtk',
       ],
     }],
     ['ui_compositor_image_transport==1', {
       'include_dirs': [
         '<(DEPTH)/third_party/angle/include',
       ],
     }],
   ],
 }