Make webkit_user_agent a standalone gyp

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 69 matching lines @@
         'chrome_resources.gyp:chrome_strings',
         '../third_party/re2/re2.gyp:re2',
         '../third_party/zlib/zlib.gyp:zlib',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
         '../ui/surface/surface.gyp:surface',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
         '../ui/web_dialogs/web_dialogs.gyp:web_dialogs',
         '../v8/tools/gyp/v8.gyp:v8',
         '../ui/views/controls/webview/webview.gyp:webview',
+        '../webkit/common/user_agent/webkit_user_agent.gyp:user_agent',
         '../webkit/support/webkit_support.gyp:glue',
-        '../webkit/support/webkit_support.gyp:user_agent',
         '../webkit/support/webkit_support.gyp:webkit_resources',
         '../webkit/support/webkit_support.gyp:webkit_storage',
       ],
       'defines': [
         '<@(nacl_defines)',
       ],
       'direct_dependent_settings': {
         'defines': [
           '<@(nacl_defines)',
         ],
@@ skipping 819 matching lines @@
         'browser/chromeos/attestation/attestation_key_payload.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/attestation',
         'proto_out_dir': 'chrome/browser/chromeos/attestation',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }