Revert 277208 "[PPAPI] Compositor API implementation."

ppapi/ppapi_internal.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,  # Use higher warning level.
   },
   'target_defaults': {
     'conditions': [
@@ skipping 213 matching lines @@
           'target_name': 'ppapi_shared_win64',
           'type': '<(component)',
           'variables': {
             'nacl_win64_target': 1,
             'ppapi_shared_target': 1,
           },
           'dependencies': [
             'ppapi.gyp:ppapi_c',
             '../base/base.gyp:base_win64',
             '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations_win64',
-            '../gpu/gpu.gyp:command_buffer_common_win64',
             '../ipc/ipc.gyp:ipc_win64',
             '../ui/events/latency_info_nacl.gyp:latency_info_nacl_win64',
           ],
           'defines': [
             '<@(nacl_win64_defines)',
           ],              
           'export_dependent_settings': [
             '../base/base.gyp:base_win64',
           ],
           'configurations': {
@@ skipping 30 matching lines @@
           },
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
       }],
     }],
   ],
 }