Remove prerender sessionStorage namespace merging (1/2)

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.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.
 
 #include "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/guid.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/component_updater/component_updater_resource_throttle.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/download/download_resource_throttle.h"
 #include "chrome/browser/net/resource_prefetch_predictor_observer.h"
 #include "chrome/browser/prefetch/prefetch.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
-#include "chrome/browser/prerender/prerender_pending_swap_throttle.h"
 #include "chrome/browser/prerender/prerender_resource_throttle.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
 #include "chrome/browser/prerender/prerender_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/renderer_host/safe_browsing_resource_throttle_factory.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/signin/signin_header_helper.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/login/login_prompt.h"
@@ skipping 503 matching lines @@
       user_script_listener_->CreateResourceThrottle(request->url(),
                                                     resource_type);
   if (throttle)
     throttles->push_back(throttle);
 #endif
 
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
   if (info->GetVisibilityState() == blink::WebPageVisibilityStatePrerender) {
     throttles->push_back(new prerender::PrerenderResourceThrottle(request));
   }
-  if (prerender_tracker_->IsPendingSwapRequestOnIOThread(
-          info->GetChildID(), info->GetRenderFrameID(), request->url())) {
-    throttles->push_back(new prerender::PrerenderPendingSwapThrottle(
-        request, prerender_tracker_));
-  }
 }
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
 void ChromeResourceDispatcherHostDelegate::AppendChromeSyncGaiaHeader(
     net::URLRequest* request,
     content::ResourceContext* resource_context) {
   static const char kAllowChromeSignIn[] = "Allow-Chrome-SignIn";
 
   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
   OneClickSigninHelper::Offer offer =
@@ skipping 195 matching lines @@
                                        url_request->GetTotalReceivedBytes()));
   }
 }
 
 // static
 void ChromeResourceDispatcherHostDelegate::
     SetExternalProtocolHandlerDelegateForTesting(
     ExternalProtocolHandler::Delegate* delegate) {
   g_external_protocol_handler_delegate = delegate;
 }