Update webkit_resources to support high-dpi assets

webkit/glue/webkit_glue.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.
 
 {
   'variables': {
     'conditions': [
       ['inside_chromium_build==0', {
         'webkit_src_dir': '../../../../..',
       },{
@@ skipping 11 matching lines @@
     {
       'target_name': 'webkit_resources',
       'type': 'none',
       'variables': {
         'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/webkit',
       },
       'actions': [
         {
           'action_name': 'webkit_resources',
           'variables': {
-            'grit_grd_file': 'webkit_resources.grd',
+            'grit_grd_file': 'resources/webkit_resources.grd',
           },
           'includes': [ '../../build/grit_action.gypi' ],
         },
         {
           'action_name': 'webkit_chromium_resources',
           'variables': {
             'grit_grd_file': '<(webkit_src_dir)/Source/WebKit/chromium/WebKit.grd',
           },
           'includes': [ '../../build/grit_action.gypi' ],
         },
@@ skipping 509 matching lines @@
               },
               'includes': [ '../../build/grit_action.gypi' ],
             },
           ],
           'includes': [ '../../build/grit_target.gypi' ],
         },
       ],
     }],
   ],
 }