Split cocoa_event_utils in two parts.

ui/ui.gyp

 # Copyright (c) 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 67 matching lines @@
         'base/clipboard/custom_data_helper.h',
         'base/clipboard/custom_data_helper_linux.cc',
         'base/clipboard/custom_data_helper_mac.mm',
         'base/clipboard/scoped_clipboard_writer.cc',
         'base/clipboard/scoped_clipboard_writer.h',
         'base/cocoa/animation_utils.h',
         'base/cocoa/appkit_utils.h',
         'base/cocoa/appkit_utils.mm',
         'base/cocoa/base_view.h',
         'base/cocoa/base_view.mm',
-        'base/cocoa/cocoa_event_utils.h',
-        'base/cocoa/cocoa_event_utils.mm',
+        'base/cocoa/cocoa_base_utils.h',
+        'base/cocoa/cocoa_base_utils.mm',
         'base/cocoa/controls/blue_label_button.h',
         'base/cocoa/controls/blue_label_button.mm',
         'base/cocoa/controls/hover_image_menu_button.h',
         'base/cocoa/controls/hover_image_menu_button.mm',
         'base/cocoa/controls/hover_image_menu_button_cell.h',
         'base/cocoa/controls/hover_image_menu_button_cell.mm',
         'base/cocoa/controls/hyperlink_button_cell.h',
         'base/cocoa/controls/hyperlink_button_cell.mm',
         'base/cocoa/find_pasteboard.h',
         'base/cocoa/find_pasteboard.mm',
@@ skipping 525 matching lines @@
            'variables': {
              'jni_gen_package': 'ui',
              'jni_generator_ptr_type': 'long',
            },
            'includes': [ '../build/jni_generator.gypi' ],
          },
        ],
     }],
   ],
 }