Enable Mojo to download from file URLs

mojo/mojo.gyp

 # Copyright 2013 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': {
     'chromium_code': 1,
   },
   'target_defaults': {
     'defines': ['MOJO_IMPLEMENTATION'],
@@ skipping 129 matching lines @@
         '../url/url.gyp:url_lib',
         'mojo_system',
       ],
       'sources': [
         'shell/app_container.cc',
         'shell/app_container.h',
         'shell/context.cc',
         'shell/context.h',
         'shell/loader.cc',
         'shell/loader.h',
+        'shell/network_delegate.cc',
+        'shell/network_delegate.h',
         'shell/run.cc',
         'shell/run.h',
         'shell/storage.cc',
         'shell/storage.h',
         'shell/switches.cc',
         'shell/switches.h',
         'shell/task_runners.cc',
         'shell/task_runners.h',
         'shell/url_request_context_getter.cc',
         'shell/url_request_context_getter.h',
@@ skipping 135 matching lines @@
             'java_in_dir': '<(DEPTH)/mojo/shell/android/apk',
             'resource_dir': '<(DEPTH)/mojo/shell/android/apk/res',
             'native_lib_target': 'libmojo_shell',
           },
           'includes': [ '../build/java_apk.gypi' ],
         }
       ],
     }],
   ],
 }