Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/ui/ash/app_sync_ui_state.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/ui/ash/app_sync_ui_state.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/ash/app_sync_ui_state_factory.h"
 #include "chrome/browser/ui/ash/app_sync_ui_state_observer.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/browser/pending_extension_manager.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/user_manager.h"
 #endif
 
 namespace {
 
 // Max loading animation time in milliseconds.
 const int kMaxSyncingTimeMs = 60 * 1000;
@@ skipping 112 matching lines @@
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_EXTENSION_LOADED, type);
   CheckAppSync();
 }
 
 void AppSyncUIState::OnStateChanged() {
   DCHECK(sync_service_);
   CheckAppSync();
 }