Add PGO targets to Chrome.

chrome/chrome.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,
 
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 900 matching lines @@
             'safe_browsing_proto',
           ],
           'sources': [
             'browser/safe_browsing/signature_util.h',
             'browser/safe_browsing/signature_util_win.cc',
             'tools/safe_browsing/sb_sigutil.cc',
           ],
         },
       ],  # 'targets'
       'includes': [
+        'chrome_pgo.gypi',
         'chrome_process_finder.gypi',
         'metro_utils.gypi',
       ],
     }],  # OS=="win"
     ['OS=="win" and target_arch=="ia32"',
       { 'targets': [
         {
           'target_name': 'chrome_user32_delay_imports',
           'type': 'none',
           'variables': {
@@ skipping 179 matching lines @@
               'sources': [
                 'service/cloud_print/print_system_dummy.cc',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }