Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/extensions/extension_context_menu_model_unittest.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/extension_context_menu_model.h"
 
 #include "chrome/browser/extensions/extension_service_unittest.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/test/base/test_browser_window.h"
 #include "chrome/test/base/testing_profile.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/browser/test_management_policy.h"
 #include "extensions/common/extension_builder.h"
 #include "extensions/common/value_builder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 namespace {
 
 class ExtensionContextMenuModelTest : public ExtensionServiceTestBase {
 };
@@ skipping 37 matching lines @@
 
   // Now the actions are disabled.
   ASSERT_FALSE(menu->IsCommandIdEnabled(ExtensionContextMenuModel::UNINSTALL));
 
   // Don't leave |policy_provider| dangling.
   system->management_policy()->UnregisterAllProviders();
 }
 
 }  // namespace
 }  // namespace extensions