Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/extensions/api/tabs/windows_event_router.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/extensions/api/tabs/windows_event_router.h"
 
 #include "base/values.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/extensions/extension_util.h"
 #include "chrome/browser/extensions/window_controller.h"
 #include "chrome/browser/extensions/window_controller_list.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/windows.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/browser/event_router.h"
+#include "extensions/browser/extension_system.h"
 
 #if defined(TOOLKIT_GTK)
 #include "ui/base/x/active_window_watcher_x.h"
 #endif
 
 using content::BrowserContext;
 
 namespace extensions {
 
 namespace windows = extensions::api::windows;
@@ skipping 128 matching lines @@
 
 void WindowsEventRouter::DispatchEvent(const std::string& event_name,
                                       Profile* profile,
                                       scoped_ptr<base::ListValue> args) {
   scoped_ptr<Event> event(new Event(event_name, args.Pass()));
   event->restrict_to_browser_context = profile;
   ExtensionSystem::Get(profile)->event_router()->BroadcastEvent(event.Pass());
 }
 
 }  // namespace extensions