Add schema chrome-extension-resource:// for extension resources

chrome/chrome_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.
 {
   'variables': {
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
     'repack_locales_cmd': ['python', 'tools/build/repack_locales.py'],
   },
   'targets': [
     {
@@ skipping 51 matching lines @@
         {
           'action_name': 'devtools_discovery_page_resources',
           'variables': {
             'grit_grd_file':
                'browser/debugger/frontend/devtools_discovery_page_resources.grd',
           },
           'includes': [ '../build/grit_action.gypi' ]
         },
       ],
       'includes': [ '../build/grit_target.gypi' ],
+      'copies': [
+        {
+          'destination': '<(PRODUCT_DIR)/resources/extension/demo',
+          'files': [
+            'browser/resources/extension_resource/demo/library.js',
+          ],
+        },
+      ]
     },
     {
       # TODO(mark): It would be better if each static library that needed
       # to run grit would list its own .grd files, but unfortunately some
       # of the static libraries currently have circular dependencies among
       # generated headers.
       'target_name': 'chrome_resources',
       'type': 'none',
       'actions': [
         # Data resources.
@@ skipping 299 matching lines @@
                   'files': ['<@(default_apps_list)']
                 },
               ],
             }],
           ], # conditions
         }], # end OS != "mac"
       ], # conditions
     },
   ], # targets
 }