[Mac] Merge single-function file about_ipc_dialog.{h,mm} into about_ipc_bridge.{h,mm}.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 2607 matching lines @@
         'browser/ui/browser_init.h',
         'browser/ui/browser_list_gtk.cc',
         'browser/ui/browser_list_mac.mm',
         'browser/ui/browser_list_stub.cc',
         'browser/ui/browser_list_win.cc',
         'browser/ui/browser_list.cc',
         'browser/ui/browser_list.h',
         'browser/ui/browser_navigator.cc',
         'browser/ui/browser_navigator.h',
         'browser/ui/browser_window.h',
-        'browser/ui/cocoa/about_ipc_bridge.h',
-        'browser/ui/cocoa/about_ipc_bridge.mm',
         'browser/ui/cocoa/about_ipc_controller.h',
         'browser/ui/cocoa/about_ipc_controller.mm',
         'browser/ui/cocoa/about_ipc_dialog.h',
         'browser/ui/cocoa/about_ipc_dialog.mm',
         'browser/ui/cocoa/about_window_controller.h',
         'browser/ui/cocoa/about_window_controller.mm',
         'browser/ui/cocoa/accelerators_cocoa.h',
         'browser/ui/cocoa/accelerators_cocoa.mm',
         'browser/ui/cocoa/animatable_image.h',
         'browser/ui/cocoa/animatable_image.mm',
@@ skipping 1913 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: