Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/ui/ash/chrome_new_window_delegate_chromeos.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/ui/ash/chrome_new_window_delegate_chromeos.h"
 
 #include "apps/shell_window_registry.h"
 #include "apps/ui/native_app_window.h"
 #include "ash/keyboard_overlay/keyboard_overlay_view.h"
 #include "chrome/browser/chromeos/file_manager/app_id.h"
 #include "chrome/browser/extensions/api/terminal/terminal_extension_helper.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/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
+#include "extensions/browser/extension_system.h"
 
 ChromeNewWindowDelegateChromeos::ChromeNewWindowDelegateChromeos() {}
 ChromeNewWindowDelegateChromeos::~ChromeNewWindowDelegateChromeos() {}
 
 void ChromeNewWindowDelegateChromeos::OpenFileManager() {
   using file_manager::kFileManagerAppId;
   Profile* const profile = ProfileManager::GetActiveUserProfile();
   const ExtensionService* const service =
       extensions::ExtensionSystem::Get(profile)->extension_service();
   if (!service ||
@@ skipping 34 matching lines @@
 }
 
 void ChromeNewWindowDelegateChromeos::ShowKeyboardOverlay() {
   // TODO(mazda): Move the show logic to ash (http://crbug.com/124222).
   Profile* profile = ProfileManager::GetActiveUserProfile();
   std::string url(chrome::kChromeUIKeyboardOverlayURL);
   ash::KeyboardOverlayView::ShowDialog(profile,
                                        new ChromeWebContentsHandler,
                                        GURL(url));
 }