Move FilePathWatcher to base/files.

content/content_common.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': 'content_common',
       'type': '<(library)',
       'dependencies': [
@@ skipping 54 matching lines @@
         'common/debug_flags.cc',
         'common/debug_flags.h',
         'common/desktop_notification_messages.h',
         'common/device_orientation_messages.h',
         'common/dom_storage_common.h',
         'common/dom_storage_messages.h',
         'common/drag_messages.h',
         'common/dx_diag_node.cc',
         'common/dx_diag_node.h',
         'common/edit_command.h',
-        'common/file_path_watcher/file_path_watcher.cc',
-        'common/file_path_watcher/file_path_watcher.h',
-        'common/file_path_watcher/file_path_watcher_inotify.cc',
-        'common/file_path_watcher/file_path_watcher_mac.cc',
-        'common/file_path_watcher/file_path_watcher_win.cc',
         'common/file_system/file_system_dispatcher.cc',
         'common/file_system/file_system_dispatcher.h',
         'common/file_system/webfilesystem_callback_dispatcher.cc',
         'common/file_system/webfilesystem_callback_dispatcher.h',
         'common/file_system/webfilesystem_impl.cc',
         'common/file_system/webfilesystem_impl.h',
         'common/file_system/webfilewriter_impl.cc',
         'common/file_system/webfilewriter_impl.h',
         'common/file_system_messages.h',
         'common/file_utilities_messages.h',
@@ skipping 98 matching lines @@
         'common/webmessageportchannel_impl.cc',
         'common/webmessageportchannel_impl.h',
         'common/window_container_type.cc',
         'common/window_container_type.h',
         'common/worker_messages.h',
       ],
       'conditions': [
         ['OS=="win"', {
           'msvs_guid': '062E9260-304A-4657-A74C-0D3AA1A0A0A4',
         }],
-        ['OS!="linux"', {
-          'sources!': [
-            'common/file_path_watcher/file_path_watcher_inotify.cc',
-          ],
-        }],
-        ['OS=="freebsd" or OS=="openbsd"', {
-          'sources': [
-            'common/file_path_watcher/file_path_watcher_stub.cc',
-          ],
-        }],
         ['OS=="mac"', {
           'sources!': [
             'common/process_watcher_posix.cc',
           ],
           'link_settings': {
             'mac_bundle_resources': [
               'common/common.sb',
             ],
           },
         }],
         ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
           ],
         }],
         ['toolkit_views==1', {
           'sources': [
             'common/native_web_keyboard_event_views.cc',
           ],
         }],
       ],
     },
   ],
 }