Added a script to remove headers from the target....

chrome/chrome.gyp

 # Copyright (c) 2009 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,
   },
   'includes': [
     '../build/common.gypi',
@@ skipping 2006 matching lines @@
                   'postbuilds': [
                     {
                       'postbuild_name': 'Dump Symbols',
                       'action': ['<(DEPTH)/build/mac/dump_app_syms',
                                  '<(branding)'],
                     },
                   ],
                 }],
               ],
             }], # mac_breakpad
+            ['mac_keystone==1', {
+              'copies': [
+                {
+                  'destination': '<(PRODUCT_DIR)/<(mac_product_name).app/Contents/Frameworks/',
+                  'files': ['../third_party/googlemac/Releases/Keystone/KeystoneRegistration.framework'],
+                },
+              ],
+            }], # mac_keystone
           ],
           'product_name': '<(mac_product_name)',
           'xcode_settings': {
             # chrome/app/app-Info.plist has:
             #   CFBundleIdentifier of CHROMIUM_BUNDLE_ID
             #   CFBundleName of CHROMIUM_SHORT_NAME
             # Xcode then replaces these values with the branded values we set
             # as settings on the target.
             'CHROMIUM_BUNDLE_ID': '<(bundle_id)',
             'CHROMIUM_SHORT_NAME': '<(branding)',
@@ skipping 20 matching lines @@
           'actions': [
             {
               'action_name': 'tweak_app_infoplist',
               # We don't list any inputs or outputs because we always want
               # the script to run.  Why?  Because it does thinks like record
               # the svn revision into the info.plist, so there is no file to
               # depend on that will change when ever that changes.
               'inputs': [],
               'outputs': [],
               'action': ['<(DEPTH)/build/mac/tweak_app_infoplist',
-                         '-b', '<(mac_breakpad)',
+                         '-b<(mac_breakpad)',
+                         '-k<(mac_keystone)',
                          '<(branding)'],
             },
           ],
         }],
         ['OS=="win"', {
           'include_dirs': [
             'third_party/wtl/include',
           ],
           'dependencies': [
             'views',
@@ skipping 941 matching lines @@
         }],
         ['OS!="win"', {
           'sources!': [
             'test/perf/mem_usage.cc',
           ],
         }],
       ],
     },
   ],
   'conditions': [
-    # We set a feature variable so the different parts that need to check for
-    # the mac build use of breakpad, check that flag instead of coding it based
-    # on branding.
+    # We set feature variables so the different parts that need to check for
+    # the mac build use of breakpad/keystone, check that flag instead of coding
+    # it based on branding.
     # We need the Mac app name on disk, so we stick this into a variable so
     # the different places that need it can use the common variable.
     # NOTE: chrome/app/theme/chromium/BRANDING and
     # chrome/app/theme/google_chrome/BRANDING have the short names, etc.;
     # but extracting from there still means xcodeproject are out of date until
     # the next project regeneration.
     ['OS=="mac" and branding=="Chrome"', {
       'variables': {
         'mac_breakpad%': 1,
+        'mac_keystone%': 1,
         'mac_product_name%': 'Google Chrome',
       }
     }, {
       'variables': {
         'mac_breakpad%': 0,
+        'mac_keystone%': 0,
         'mac_product_name%': 'Chromium',
       }
     }],
     ['OS=="linux"', {
       'targets': [
         {
           'target_name': 'convert_dict',
           'type': 'executable',
           'dependencies': [
             '../base/base.gyp:base',
@@ skipping 525 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],
   ],  # 'conditions'
 }