Instant: Use only one hidden WebContents per profile.

chrome/browser/profiles/profile_dependency_manager.cc

Index: chrome/browser/profiles/profile_dependency_manager.cc
diff --git a/chrome/browser/profiles/profile_dependency_manager.cc b/chrome/browser/profiles/profile_dependency_manager.cc
index 6f6f4fb04a0c5a7f24060177806f0865dc27a7cb..f89d2286a3a5af06afdb05fa7c695e089159ce79 100644
--- a/chrome/browser/profiles/profile_dependency_manager.cc
+++ b/chrome/browser/profiles/profile_dependency_manager.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 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.
 
@@ -55,6 +55,7 @@
 #include "chrome/browser/google/google_url_tracker_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/history/shortcuts_backend_factory.h"
+#include "chrome/browser/instant/instant_service_factory.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences_factory.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #if !defined(OS_ANDROID)
@@ -326,6 +327,7 @@ void ProfileDependencyManager::AssertFactoriesBuilt() {
   GlobalErrorServiceFactory::GetInstance();
   GoogleURLTrackerFactory::GetInstance();
   HistoryServiceFactory::GetInstance();
+  InstantServiceFactory::GetInstance();
 #if !defined(OS_ANDROID)
   notifier::ChromeNotifierServiceFactory::GetInstance();
 #endif