[GPU] Get GPU process running on the mac...

chrome/chrome.gyp

 # Copyright (c) 2010 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,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
@@ skipping 508 matching lines @@
         ['OS=="win"', {
           'defines': [
             '__STD_C',
             '_CRT_SECURE_NO_DEPRECATE',
             '_SCL_SECURE_NO_DEPRECATE',
           ],
           'include_dirs': [
             'third_party/wtl/include',
           ],
         }],
-        ['OS=="win" or (OS=="linux" and target_arch!="arm")', {
+        ['enable_gpu==1', {
           'dependencies': [
             '../gpu/gpu.gyp:command_buffer_service',
           ],
           'sources': [
             'plugin/command_buffer_stub.cc',
             'plugin/command_buffer_stub.h',
           ],
         },],
         ['OS=="linux" or OS=="freebsd"', {
           'dependencies': [
@@ skipping 1062 matching lines @@
       }],  # targets
     }],  # OS=="linux" or OS=="freebsd"
   ],  # 'conditions'
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: