Move NativeAppWindow to extensions

apps/app_window_browsertest.cc

 // Copyright 2014 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 "apps/ui/native_app_window.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
+#include "extensions/browser/app_window/native_app_window.h"
 
 using extensions::Extension;
+using extensions::NativeAppWindow;
 
 namespace apps {
 
 namespace {
 
 typedef extensions::PlatformAppBrowserTest AppWindowBrowserTest;
 
 // This test is disabled on Linux because of the unpredictable nature of native
 // windows. We cannot assume that the window manager will insert any title bar
 // at all, so the test may fail on certain window managers.
@@ skipping 53 matching lines @@
   EXPECT_EQ(0, insets.bottom());
   EXPECT_EQ(0, insets.left());
   EXPECT_EQ(0, insets.right());
 
   CloseAppWindow(app_window);
 }
 
 }  // namespace
 
 }  // namespace apps