Remove is_prerender() from ChromeURLRequestUserData since it's not used anymore.

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 "base/base64.h"
 #include "base/logging.h"
@@ skipping 11 matching lines @@
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/metrics/variations/variations_http_header_provider.h"
 #include "chrome/browser/prefetch/prefetch_field_trial.h"
 #include "chrome/browser/prerender/prerender_manager.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/chrome_url_request_user_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/ui/auto_login_prompter.h"
 #include "chrome/browser/ui/login/login_prompt.h"
 #include "chrome/browser/ui/sync/one_click_signin_helper.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/mime_types_handler.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 197 matching lines @@
 }
 
 void ChromeResourceDispatcherHostDelegate::RequestBeginning(
     net::URLRequest* request,
     content::ResourceContext* resource_context,
     appcache::AppCacheService* appcache_service,
     ResourceType::Type resource_type,
     int child_id,
     int route_id,
     ScopedVector<content::ResourceThrottle>* throttles) {
-  ChromeURLRequestUserData* user_data =
-      ChromeURLRequestUserData::Create(request);
   bool is_prerendering = prerender_tracker_->IsPrerenderingOnIOThread(
       child_id, route_id);
   if (is_prerendering) {
-    user_data->set_is_prerender(true);
     // Requests with the IGNORE_LIMITS flag set (i.e., sync XHRs)
     // should remain at MAXIMUM_PRIORITY.
     if (request->load_flags() & net::LOAD_IGNORE_LIMITS) {
       DCHECK_EQ(request->priority(), net::MAXIMUM_PRIORITY);
     } else {
       request->SetPriority(net::IDLE);
     }
   }
 
   ProfileIOData* io_data = ProfileIOData::FromResourceContext(
@@ skipping 348 matching lines @@
 #endif
 
   // In the Mirror world, Chrome should append a X-Chrome-Connected header to
   // all Gaia requests from a connected profile so Gaia could return a 204
   // response and let Chrome handle the action with native UI. The only
   // exception is requests from gaia webview, since the native profile
   // management UI is built on top of it.
   signin::AppendMirrorRequestHeaderIfPossible(request, redirect_url, io_data,
       info->GetChildID(), info->GetRouteID());
 }