Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/chromeos/extensions/screenlock_private_api.cc

 // Copyright 2013 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/chromeos/extensions/screenlock_private_api.h"
 
 #include "base/lazy_instance.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/image_loader.h"
 #include "chrome/common/extensions/api/screenlock_private.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "extensions/browser/event_router.h"
+#include "extensions/browser/extension_system.h"
 
 namespace screenlock = extensions::api::screenlock_private;
 
 namespace extensions {
 
 ScreenlockPrivateGetLockedFunction::ScreenlockPrivateGetLockedFunction() {}
 
 ScreenlockPrivateGetLockedFunction::~ScreenlockPrivateGetLockedFunction() {}
 
 bool ScreenlockPrivateGetLockedFunction::RunImpl() {
@@ skipping 132 matching lines @@
       chromeos::DBusThreadManager::Get()->GetSessionManagerClient();
   if (session_manager->HasObserver(this))
     session_manager->RemoveObserver(this);
 }
 
 void ScreenlockPrivateEventRouter::OnButtonClicked() {
   DispatchEvent(screenlock::OnButtonClicked::kEventName, NULL);
 }
 
 }  // namespace extensions