Introduce a delegate to avoid hardcoding "chrome-extension" in net/.

webkit/tools/test_shell/simple_resource_loader_bridge.cc

 // 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.
 //
 // This file contains an implementation of the ResourceLoaderBridge class.
 // The class is implemented using net::URLRequest, meaning it is a "simple"
 // version that directly issues requests. The more complicated one used in the
 // browser uses IPC.
 //
 // Because net::URLRequest only provides an asynchronous resource loading API,
@@ skipping 159 matching lines @@
 
     StaticCookiePolicy policy(policy_type);
     int rv = policy.CanSetCookie(
         request.url(), request.first_party_for_cookies());
     return rv == net::OK;
   }
   virtual bool OnCanAccessFile(const net::URLRequest& request,
                                const FilePath& path) const OVERRIDE {
     return true;
   }
+  virtual bool OnCanThrottleRequest(
+      const net::URLRequest& request) const OVERRIDE {
+    return false;
+  }
+
 };
 
 TestShellRequestContextParams* g_request_context_params = NULL;
 TestShellRequestContext* g_request_context = NULL;
 TestShellNetworkDelegate* g_network_delegate = NULL;
 base::Thread* g_cache_thread = NULL;
 
 struct FileOverHTTPParams {
   FileOverHTTPParams(std::string in_file_path_template, GURL in_http_prefix)
       : file_path_template(in_file_path_template),
@@ skipping 933 matching lines @@
          (http_prefix.SchemeIs("http") || http_prefix.SchemeIs("https")));
   g_file_over_http_params = new FileOverHTTPParams(file_path_template,
                                                    http_prefix);
 }
 
 // static
 webkit_glue::ResourceLoaderBridge* SimpleResourceLoaderBridge::Create(
     const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info) {
   return new ResourceLoaderBridgeImpl(request_info);
 }