Enable the ManagedBookmarks policy on all platforms.

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 2789 matching lines @@
           'dependencies': [
             '../components/components.gyp:cloud_policy_proto',
             '../components/components.gyp:policy',
           ],
           'conditions': [
             ['OS!="android" and OS!="ios"', {
               'dependencies': [
                 'policy_path_parser',
               ],
               'sources!': [
-                'browser/policy/managed_bookmarks_policy_handler.cc',
-                'browser/policy/managed_bookmarks_policy_handler.h',
                 'browser/policy/cloud/user_policy_signin_service_mobile.cc',
                 'browser/policy/cloud/user_policy_signin_service_mobile.h',
               ],
             }],
             ['OS=="ios"', {
               # Explicitly add the browser/policy files that should be included
               # on iOS builds.
               'sources/': [
                 ['include', '^browser/net/proxy_policy_handler.cc'],
                 ['include', '^browser/net/proxy_policy_handler.h'],
@@ skipping 939 matching lines @@
             'package_name': 'org/chromium/chrome/browser',
             'template_deps': ['browser/android/tab_load_status.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }