Fix location to which osmesa.so gets copied on Mac.

chrome/chrome_exe.gypi

 # 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.
 
 {
   'target_defaults': {
     'variables': {
       'chrome_exe_target': 0,
     },
     'target_conditions': [
@@ skipping 450 matching lines @@
     {
       'target_name': 'chrome_mesa',
       'type': 'none',
       'dependencies': [
         'chrome',
         '../third_party/mesa/mesa.gyp:osmesa',
       ],
       'conditions': [
         ['OS=="mac"', {
           'copies': [{
-            'destination': '<(PRODUCT_DIR)/<(branding).app/Contents/Versions/<(version_full)/<(branding) Helper.app/Contents/MacOS/',
+            'destination': '<(PRODUCT_DIR)/<(mac_product_name).app/Contents/Versions/<(version_full)/<(mac_product_name) Helper.app/Contents/MacOS/',
             'files': ['<(PRODUCT_DIR)/osmesa.so'],
           }],
         }],
       ],
     },
   ],
   'conditions': [
     ['OS=="win"', {
       'targets': [
         {
@@ skipping 32 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }