Reland 124817 - Take extensions out of Profile into a profile-keyed service, ExtensionSystem.

chrome/browser/prerender/prerender_manager_factory.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/prerender/prerender_manager_factory.h"
 
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/prerender_condition_network.h"
 #endif
 
 namespace prerender {
 
 // static
 PrerenderManager* PrerenderManagerFactory::GetForProfile(
     Profile* profile) {
   if (!PrerenderManager::IsPrerenderingPossible())
     return NULL;
   return static_cast<PrerenderManager*>(
       GetInstance()->GetServiceForProfile(profile, true));
 }
 
 PrerenderManagerFactory* PrerenderManagerFactory::GetInstance() {
   return Singleton<PrerenderManagerFactory>::get();
 }
 
 PrerenderManagerFactory::PrerenderManagerFactory()
     : ProfileKeyedServiceFactory("PrerenderManager",
                                  ProfileDependencyManager::GetInstance()) {
+  DependsOn(ExtensionSystemFactory::GetInstance());
 }
 
 PrerenderManagerFactory::~PrerenderManagerFactory() {
 }
 
 ProfileKeyedService* PrerenderManagerFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   CHECK(g_browser_process->prerender_tracker());
   PrerenderManager* prerender_manager = new prerender::PrerenderManager(
       profile, g_browser_process->prerender_tracker());
 #if defined(OS_CHROMEOS)
   if (chromeos::CrosLibrary::Get()) {
     prerender_manager->AddCondition(
         new chromeos::PrerenderConditionNetwork(
             chromeos::CrosLibrary::Get()->GetNetworkLibrary()));
   }
 #endif
   return prerender_manager;
 }
 
 }  // end namespace prerender