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.cc

 // 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.
 
 #include "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/download/download_request_limiter.h"
@@ skipping 288 matching lines @@
 #endif
 
 bool ChromeResourceDispatcherHostDelegate::ShouldForceDownloadResource(
     const GURL& url, const std::string& mime_type) {
   // Special-case user scripts to get downloaded instead of viewed.
   return UserScript::IsURLUserScript(url, mime_type);
 }
 
 void ChromeResourceDispatcherHostDelegate::OnResponseStarted(
     net::URLRequest* request,
-    ResourceResponse* response,
+    content::ResourceResponse* response,
     ResourceMessageFilter* filter) {
   LoadTimingObserver::PopulateTimingInfo(request, response);
 
   ResourceDispatcherHostRequestInfo* info =
       resource_dispatcher_host_->InfoForRequest(request);
 
   if (request->url().SchemeIsSecure()) {
     const net::URLRequestContext* context = request->context();
     net::TransportSecurityState* state = context->transport_security_state();
     if (state) {
@@ skipping 12 matching lines @@
 
   // See if the response contains the X-Auto-Login header.  If so, this was
   // a request for a login page, and the server is allowing the browser to
   // suggest auto-login, if available.
   AutoLoginPrompter::ShowInfoBarIfPossible(request, info->child_id(),
                                            info->route_id());
 }
 
 void ChromeResourceDispatcherHostDelegate::OnRequestRedirected(
     net::URLRequest* request,
-    ResourceResponse* response,
+    content::ResourceResponse* response,
     ResourceMessageFilter* filter) {
   LoadTimingObserver::PopulateTimingInfo(request, response);
 }