Revert 199625 "Remove ENABLE_MESSAGE_CENTER"

trunk/src/chrome/chrome_browser_ui.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_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 30 matching lines @@
         '../sync/sync.gyp:sync',
         '../third_party/bzip2/bzip2.gyp:bzip2',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation_proto_cpp',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/libusb/libusb.gyp:libusb',
         '../third_party/libxml/libxml.gyp:libxml',
         '../third_party/zlib/zlib.gyp:zlib',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
-        '../ui/message_center/message_center.gyp:message_center',
         '../ui/native_theme/native_theme.gyp:native_theme',
         '../ui/snapshot/snapshot.gyp:snapshot',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
         '../webkit/support/webkit_support.gyp:user_agent',
       ],
       'include_dirs': [
         '..',
         '<(INTERMEDIATE_DIR)',
         # Needed by pepper_flash_component_installer.cc.
@@ skipping 2863 matching lines @@
           'sources/': [
             ['exclude', '^browser/ui/views/app_list/'],
             ['exclude', '^browser/ui/app_list/'],
             ['include', '^browser/ui/app_list/app_list_service.cc'],
             ['include', '^browser/ui/app_list/app_list_service.h'],
             ['include', '^browser/ui/app_list/app_list_service_disabled.cc'],
             ['include', '^browser/ui/app_list/app_list_service_disabled.h'],
             ['include', '^browser/ui/app_list/app_list_service_selector.cc'],
           ],
         }],
+        ['enable_message_center==1', {
+          'dependencies': [
+            '../ui/message_center/message_center.gyp:message_center',
+          ],
+        }],
       ],
     },
   ],
 }