Turn on UIPI for the GPU sandbox.

chrome/chrome_dll.gypi

 # Copyright (c) 2011 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.
 {
   'target_defaults': {
     'variables': {
       'chrome_dll_target': 0,
     },
     'target_conditions': [
       ['chrome_dll_target==1', {
@@ skipping 676 matching lines @@
             '../content/common/content_paths.cc',
             '../content/common/content_switches.cc',
             '../content/common/debug_flags.cc',
             '../content/common/hi_res_timer_manager_win.cc',
             '../content/common/notification_details.cc',
             '../content/common/notification_service.cc',
             '../content/common/notification_source.cc',
             '../content/common/sandbox_policy.cc',
             '../content/common/sandbox_init_wrapper_win.cc',
             '../content/common/url_constants.cc',
+            '../ui/gfx/gl/gl_switches.cc',
           ],
           'msvs_settings': {
             'VCLinkerTool': {
               'ImportLibrary': '$(OutDir)\\lib\\nacl64_dll.lib',
               'ProgramDatabaseFile': '$(OutDir)\\nacl64_dll.pdb',
             },
           },
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
             'Debug_Base': {
               'msvs_settings': {
                 'VCLinkerTool': {
                   'LinkIncremental': '<(msvs_debug_link_nonincremental)',
                 },
               },
             },
           },
         },  # target chrome_dll
       ],
     }],
   ],
 }