Turn GoogleURLTrackerNavigationHelper(Impl) into a per-tab object.

chrome/browser/google/google_url_tracker_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/google/google_url_tracker_factory.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/google/chrome_google_url_tracker_client.h"
 #include "chrome/browser/google/google_url_tracker.h"
-#include "chrome/browser/google/google_url_tracker_navigation_helper_impl.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/user_prefs/pref_registry_syncable.h"
 
 
 // static
 GoogleURLTracker* GoogleURLTrackerFactory::GetForProfile(Profile* profile) {
   return static_cast<GoogleURLTracker*>(
       GetInstance()->GetServiceForBrowserContext(profile, true));
 }
 
 // static
 GoogleURLTrackerFactory* GoogleURLTrackerFactory::GetInstance() {
   return Singleton<GoogleURLTrackerFactory>::get();
 }
 
 GoogleURLTrackerFactory::GoogleURLTrackerFactory()
     : BrowserContextKeyedServiceFactory(
         "GoogleURLTracker",
         BrowserContextDependencyManager::GetInstance()) {
 }
 
 GoogleURLTrackerFactory::~GoogleURLTrackerFactory() {
 }
 
 KeyedService* GoogleURLTrackerFactory::BuildServiceInstanceFor(
     content::BrowserContext* profile) const {
-  scoped_ptr<GoogleURLTrackerClient> client(
-      new ChromeGoogleURLTrackerClient());
-  scoped_ptr<GoogleURLTrackerNavigationHelper> nav_helper(
-      new GoogleURLTrackerNavigationHelperImpl());
+  scoped_ptr<GoogleURLTrackerClient> client(new ChromeGoogleURLTrackerClient());
   return new GoogleURLTracker(static_cast<Profile*>(profile),
                               client.Pass(),
-                              nav_helper.Pass(),
                               GoogleURLTracker::NORMAL_MODE);
 }
 
 void GoogleURLTrackerFactory::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* user_prefs) {
   user_prefs->RegisterStringPref(
       prefs::kLastKnownGoogleURL,
       GoogleURLTracker::kDefaultGoogleHomepage,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   user_prefs->RegisterStringPref(
       prefs::kLastPromptedGoogleURL,
       std::string(),
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 content::BrowserContext* GoogleURLTrackerFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 bool GoogleURLTrackerFactory::ServiceIsCreatedWithBrowserContext() const {
   return true;
 }
 
 bool GoogleURLTrackerFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }