Introduce NetworkDelegate's implementation in extensions.

extensions/shell/browser/shell_content_browser_client.cc

 // Copyright 2014 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.
 
 #include "extensions/shell/browser/shell_content_browser_client.h"
 
 #include "base/command_line.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/site_instance.h"
@@ skipping 95 matching lines @@
     content::URLRequestInterceptorScopedVector request_interceptors) {
   // Handle only chrome-extension:// requests. app_shell does not support
   // chrome-extension-resource:// requests (it does not store shared extension
   // data in its installation directory).
   InfoMap* extension_info_map =
       browser_main_parts_->extension_system()->info_map();
   (*protocol_handlers)[kExtensionScheme] =
       linked_ptr<net::URLRequestJobFactory::ProtocolHandler>(
           CreateExtensionProtocolHandler(false /* is_incognito */,
                                          extension_info_map));
-  // Let content::ShellBrowserContext handle the rest of the setup.
   return browser_main_parts_->browser_context()->CreateRequestContext(
-      protocol_handlers, request_interceptors.Pass());
+      protocol_handlers, request_interceptors.Pass(), extension_info_map);
 }
 
 bool ShellContentBrowserClient::IsHandledURL(const GURL& url) {
   if (!url.is_valid())
     return false;
   // Keep in sync with ProtocolHandlers added in CreateRequestContext() and in
   // content::ShellURLRequestContextGetter::GetURLRequestContext().
   static const char* const kProtocolList[] = {
       url::kBlobScheme,
       content::kChromeDevToolsScheme,
@@ skipping 115 matching lines @@
   return registry->enabled_extensions().GetExtensionOrAppByURL(
       site_instance->GetSiteURL());
 }
 
 content::DevToolsManagerDelegate*
 ShellContentBrowserClient::GetDevToolsManagerDelegate() {
   return new content::ShellDevToolsManagerDelegate(GetBrowserContext());
 }
 
 }  // namespace extensions