Make devtools use common generated blink source directory instead of gen/webkit.

content/browser/devtools/devtools_resources.gyp

 # 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': 'devtools_resources',
       'type': 'none',
       'dependencies': [
         '../../../third_party/WebKit/public/blink_devtools.gyp:blink_generate_devtools_grd',
       ],
       'variables': {
-        'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/webkit',
+        'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/blink',
       },
       'actions': [
         {
           'action_name': 'devtools_resources',
           # This can't use build/grit_action.gypi because the grd file
           # is generated at build time, so the trick of using grit_info to get
           # the real inputs/outputs at GYP time isn't possible.
           'variables': {
             'grit_cmd': ['python', '../../../tools/grit/grit.py'],
             'grit_grd_file': '<(SHARED_INTERMEDIATE_DIR)/devtools/devtools_resources.grd',
@@ skipping 37 matching lines @@
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '<(SHARED_INTERMEDIATE_DIR)',
         ]
       },
       'includes': [ '../../../build/grit_target.gypi' ],
     },
   ],
 }