Make original_response_headers parameter of NetworkDelegate::OnHeadersReceived const

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 112 matching lines @@
   virtual int OnBeforeSendHeaders(net::URLRequest* request,
                                   const net::CompletionCallback& callback,
                                   net::HttpRequestHeaders* headers) OVERRIDE {
     return net::OK;
   }
   virtual void OnSendHeaders(net::URLRequest* request,
                              const net::HttpRequestHeaders& headers) OVERRIDE {}
   virtual int OnHeadersReceived(
       net::URLRequest* request,
       const net::CompletionCallback& callback,
-      net::HttpResponseHeaders* original_response_headers,
+      const net::HttpResponseHeaders* original_response_headers,
       scoped_refptr<net::HttpResponseHeaders>*
           override_response_headers) OVERRIDE {
     return net::OK;
   }
   virtual void OnBeforeRedirect(net::URLRequest* request,
                                 const GURL& new_location) OVERRIDE {}
   virtual void OnResponseStarted(net::URLRequest* request) OVERRIDE {}
   virtual void OnRawBytesRead(const net::URLRequest& request,
                               int bytes_read) OVERRIDE {}
   virtual void OnCompleted(net::URLRequest* request, bool started) OVERRIDE {}
@@ skipping 963 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);
 }