Add a ResourceScheduler to ResourceDispatcherHost.

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 949 matching lines @@
     response->url = params_->url;
 
     proxy_ = new SyncRequestProxy(response);
     proxy_->AddRef();
 
     proxy_->Start(NULL, params_.release());
 
     static_cast<SyncRequestProxy*>(proxy_)->WaitForCompletion();
   }
 
+  virtual void DidChangePriority(net::RequestPriority new_priority) {
+    // Not really needed for DRT.
+  }
+
  private:
   // Ownership of params_ is transfered to the proxy when the proxy is created.
   scoped_ptr<RequestParams> params_;
 
   // The request proxy is allocated when we start the request, and then it
   // sticks around until this ResourceLoaderBridge is destroyed.
   RequestProxy* proxy_;
 };
 
 //-----------------------------------------------------------------------------
@@ skipping 173 matching lines @@
   if (!g_file_over_http_mappings)
     g_file_over_http_mappings = new FileOverHTTPPathMappings();
   g_file_over_http_mappings->AddMapping(file_path_template, http_prefix);
 }
 
 // static
 webkit_glue::ResourceLoaderBridge* SimpleResourceLoaderBridge::Create(
     const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info) {
   return new ResourceLoaderBridgeImpl(request_info);
 }