Move ResourceResponse struct into the Content API, since it's used in Chrome. While at it, I also...

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 56 matching lines @@
                                  net::AuthChallengeInfo* auth_info) OVERRIDE;
   virtual ResourceDispatcherHostLoginDelegate* CreateLoginDelegate(
       net::AuthChallengeInfo* auth_info, net::URLRequest* request) OVERRIDE;
   virtual void HandleExternalProtocol(const GURL& url,
                                       int child_id,
                                       int route_id) OVERRIDE;
   virtual bool ShouldForceDownloadResource(
       const GURL& url, const std::string& mime_type) OVERRIDE;
   virtual void OnResponseStarted(
       net::URLRequest* request,
-      ResourceResponse* response,
+      content::ResourceResponse* response,
       ResourceMessageFilter* filter) OVERRIDE;
   virtual void OnRequestRedirected(
       net::URLRequest* request,
-      ResourceResponse* response,
+      content::ResourceResponse* response,
       ResourceMessageFilter* filter) OVERRIDE;
 
  private:
   ResourceHandler* CreateSafeBrowsingResourceHandler(
       ResourceHandler* handler, int child_id, int route_id, bool subresource);
 
   ResourceDispatcherHost* resource_dispatcher_host_;
   scoped_refptr<DownloadRequestLimiter> download_request_limiter_;
   scoped_refptr<SafeBrowsingService> safe_browsing_;
   prerender::PrerenderTracker* prerender_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeResourceDispatcherHostDelegate);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_