Reverting this CL because it was committed before I gave the final LGTM.

chrome/chrome_browser_chromeos.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_chromeos',
       'type': 'static_library',
@@ skipping 97 matching lines @@
         ],
       },
       'export_dependent_settings': [
         '../sync/sync.gyp:sync_notifier',
       ],
       'sources': [
         # All .cc, .h, .m, and .mm files unde browser/chromeos, except for tests
         # and mocks.
         'browser/chromeos/accessibility/accessibility_util.cc',
         'browser/chromeos/accessibility/accessibility_util.h',
-        'browser/chromeos/accessibility/magnification_manager.cc',
-        'browser/chromeos/accessibility/magnification_manager.h',
         'browser/chromeos/audio/audio_handler.cc',
         'browser/chromeos/audio/audio_handler.h',
         'browser/chromeos/audio/audio_mixer.h',
         'browser/chromeos/audio/audio_mixer_alsa.cc',
         'browser/chromeos/audio/audio_mixer_alsa.h',
         'browser/chromeos/audio/audio_mixer_cras.cc',
         'browser/chromeos/audio/audio_mixer_cras.h',
         'browser/chromeos/background/ash_user_wallpaper_delegate.cc',
         'browser/chromeos/background/ash_user_wallpaper_delegate.h',
         'browser/chromeos/bluetooth/bluetooth_adapter.cc',
@@ skipping 627 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/chromeos/drive/drive.proto' ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/drive',
         'proto_out_dir': 'chrome/browser/chromeos/drive',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }