Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/extensions/api/extension_action/browser_action_interactive_test.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/extensions/browser_action_test_util.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/common/permissions/permissions_data.h"
 
 namespace extensions {
 namespace {
 
 // chrome.browserAction API tests that interact with the UI in such a way that
 // they cannot be run concurrently (i.e. openPopup API tests that require the
 // window be focused/active).
 class BrowserActionInteractiveTest : public ExtensionApiTest {
  public:
@@ skipping 227 matching lines @@
   EXPECT_TRUE(BrowserActionTestUtil(browser()).HasPopup());
 
   // Press CTRL+TAB to change active tabs, the extension popup should close.
   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
       browser(), ui::VKEY_TAB, true, false, false, false));
   EXPECT_FALSE(BrowserActionTestUtil(browser()).HasPopup());
 }
 
 }  // namespace
 }  // namespace extensions