Remove more unnecessary ChromeURLRequestContext members.

chrome/test/testing_profile.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/test/testing_profile.h"
 
 #include "build/build_config.h"
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 747 matching lines @@
 ExtensionInfoMap* TestingProfile::GetExtensionInfoMap() {
   return NULL;
 }
 
 PromoCounter* TestingProfile::GetInstantPromoCounter() {
   return NULL;
 }
 
 ChromeURLDataManager* TestingProfile::GetChromeURLDataManager() {
   if (!chrome_url_data_manager_.get())
-    chrome_url_data_manager_.reset(new ChromeURLDataManager(this));
+    chrome_url_data_manager_.reset(
+        new ChromeURLDataManager(
+            base::Callback<ChromeURLDataManagerBackend*(void)>()));
   return chrome_url_data_manager_.get();
 }
 
 prerender::PrerenderManager* TestingProfile::GetPrerenderManager() {
   if (!prerender::PrerenderManager::IsPrerenderingPossible())
     return NULL;
   if (!prerender_manager_.get()) {
     prerender_manager_.reset(new prerender::PrerenderManager(
         this, g_browser_process->prerender_tracker()));
   }
   return prerender_manager_.get();
 }
 
 PrefService* TestingProfile::GetOffTheRecordPrefs() {
   return NULL;
 }
 
 quota::SpecialStoragePolicy* TestingProfile::GetSpecialStoragePolicy() {
   return GetExtensionSpecialStoragePolicy();
 }
 
 void TestingProfile::DestroyWebDataService() {
   if (!web_data_service_.get())
     return;
 
   web_data_service_->Shutdown();
 }