Rename app_strings to ui_strings.

tools/grit/resource_ids

 # 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.
 #
 # This file is used to assign starting resource ids for resources and strings
 # used by Chromium.  This is done to ensure that resource ids are unique
 # across all the grd files.  If you are adding a new grd file, please add
 # a new entry to this file.
 #
 # http://msdn.microsoft.com/en-us/library/t2zechd4(VS.71).aspx says that the
@@ skipping 63 matching lines @@
   "chrome/app/resources/locale_settings_linux.grd": {
     "messages": [9000],
   },
   "chrome/app/resources/locale_settings_mac.grd": {
     "messages": [9000],
   },
   "chrome/app/resources/locale_settings_win.grd": {
     "messages": [9000],
   },
 
-  "ui/base/strings/app_strings.grd": {
+  "ui/base/strings/ui_strings.grd": {
     "messages": [9500],
   },
   # Chromium strings and Google Chrome strings must start at the same id.
   # We only use one file depending on whether we're building Chromium or
   # Google Chrome.
   "chrome/app/chromium_strings.grd": {
     "messages": [10000],
   },
   "chrome/app/google_chrome_strings.grd": {
     "messages": [10000],
@@ skipping 50 matching lines @@
   "chrome/browser/resources/options_resources.grd": {
     "includes": [22000],
   },
   "cloud_print/virtual_driver/win/install/virtual_driver_setup_resources.grd": {
     "messages": [22500],
   },
   "chrome/browser/resources/quota_internals_resources.grd": {
     "includes": [23000],
   },
 }