Remove ENABLE_MESSAGE_CENTER

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index ea5553af6c6ea54336774db96195c1e7a9ea3dee..8139e749ae25e8e5c436a3d4edff964ee4cce182 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -54,6 +54,7 @@
         '../third_party/zlib/zlib.gyp:minizip',
         '../third_party/zlib/zlib.gyp:zlib',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
+        '../ui/message_center/message_center.gyp:message_center',
         '../ui/ui.gyp:shell_dialogs',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
@@ -2956,18 +2957,6 @@
             '../ui/app_list/app_list.gyp:app_list',
           ]
         }],
-        ['enable_message_center==1', {
-          'dependencies': [
-            '../ui/message_center/message_center.gyp:message_center',
-          ],
-        }, {  # enable_message_center==0
-          'sources!': [
-            'browser/notifications/message_center_notification_manager.cc',
-            'browser/notifications/message_center_notification_manager.h',
-            'browser/notifications/message_center_settings_controller.cc',
-            'browser/notifications/message_center_settings_controller.h',
-          ],
-        }],
         ['enable_managed_users!=1', {
           'sources/': [
             ['exclude', '^browser/managed_mode/'],