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

content/content_shell.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': {
     'content_shell_product_name': 'Content Shell',
     # The "19" is so that sites that sniff for version think that this is
     # something reasonably current; the "77.34.5" is a hint that this isn't a
     # standard Chrome.
@@ skipping 492 matching lines @@
               '<(SHARED_INTERMEDIATE_DIR)/content/content_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/content/shell_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/net/net_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/ui/resources/ui_resources_100_percent.pak',
               '<(SHARED_INTERMEDIATE_DIR)/ui/resources/webui_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/ui/strings/app_locale_settings_en-US.pak',
               '<(SHARED_INTERMEDIATE_DIR)/ui/strings/ui_strings_en-US.pak',
             ],
             'conditions': [
               ['OS!="android"', {
-                'pak_inputs': ['<(SHARED_INTERMEDIATE_DIR)/webkit/devtools_resources.pak',],
+                'pak_inputs': ['<(SHARED_INTERMEDIATE_DIR)/blink/devtools_resources.pak',],
                 'pak_output': '<(PRODUCT_DIR)/content_shell.pak',
               }, {
                 'pak_output': '<(PRODUCT_DIR)/content_shell/assets/content_shell.pak',
               }],
             ],
           },
           'includes': [ '../build/repack_action.gypi' ],
         },
       ],
     },
@@ skipping 639 matching lines @@
                 '--input_symbol', '<(PRODUCT_DIR)/content_shell.exe.pdb',
                 '--destination_dir', '<(dest_dir)',
               ],
             },
           ],
         },
       ],
     }],  # OS=="win" and fastbuild==0 and target_arch=="ia32"
   ]
 }