Substitute ResourceHandlers with dummy ResourceHandler while request is transferred

content/content_browser.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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../net/net.gyp:http_server',
     '../net/net.gyp:net',
@@ skipping 362 matching lines @@
     'browser/quota_permission_context.h',
     'browser/renderer_host/accelerated_plugin_view_mac.h',
     'browser/renderer_host/accelerated_plugin_view_mac.mm',
     'browser/renderer_host/accelerated_surface_container_linux_cc.cc',
     'browser/renderer_host/accelerated_surface_container_linux_gl.cc',
     'browser/renderer_host/accelerated_surface_container_linux.h',
     'browser/renderer_host/accelerated_surface_container_mac.cc',
     'browser/renderer_host/accelerated_surface_container_mac.h',
     'browser/renderer_host/accelerated_surface_container_manager_mac.cc',
     'browser/renderer_host/accelerated_surface_container_manager_mac.h',
+    'browser/renderer_host/allow_cancel_resource_handler.cc',
+    'browser/renderer_host/allow_cancel_resource_handler.h',
     'browser/renderer_host/async_resource_handler.cc',
     'browser/renderer_host/async_resource_handler.h',
     'browser/renderer_host/backing_store.cc',
     'browser/renderer_host/backing_store.h',
     'browser/renderer_host/backing_store_gtk.cc',
     'browser/renderer_host/backing_store_gtk.h',
     'browser/renderer_host/backing_store_mac.h',
     'browser/renderer_host/backing_store_mac.mm',
     'browser/renderer_host/backing_store_manager.cc',
     'browser/renderer_host/backing_store_manager.h',
@@ skipping 409 matching lines @@
         'ENABLE_JAVA_BRIDGE',
       ],
     }, {
       'sources/': [
         ['exclude', '^browser/renderer_host/java/'],
       ],
     }],
   ],
 }