Policy: generate boilerplate policy type and constant code.

chrome/chrome_common.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_common_target': 0,
     },
     'target_conditions': [
@@ skipping 170 matching lines @@
       },
       'dependencies': [
         # TODO(gregoryd): chrome_resources and chrome_strings could be
         #  shared with the 64-bit target, but it does not work due to a gyp
         # issue.
         'chrome_resources',
         'chrome_strings',
         'common_constants',
         'common_net',
         'default_plugin/default_plugin.gyp:default_plugin',
+        'policy_source',
         'theme_resources',
         '../app/app.gyp:app_base',
         '../app/app.gyp:app_resources',
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../build/temp_gyp/googleurl.gyp:googleurl',
         '../ipc/ipc.gyp:ipc',
         '../net/net.gyp:net',
         '../printing/printing.gyp:printing',
         '../skia/skia.gyp:skia',
@@ skipping 404 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }