chromeos: Convert bluetooth pairing dialog to work with mash, part 1

chrome/browser/ui/webui/chromeos/bluetooth_pairing_ui_browsertest-inl.h

 // Copyright 2015 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 "ash/public/cpp/shell_window_ids.h"
 #include "base/auto_reset.h"
 #include "chrome/browser/chromeos/bluetooth/bluetooth_pairing_dialog.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_window.h"
 #include "chrome/test/base/web_ui_browser_test.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/test/browser_test_utils.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
 #include "device/bluetooth/test/mock_bluetooth_adapter.h"
 #include "device/bluetooth/test/mock_bluetooth_device.h"
 #include "extensions/browser/extension_function.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 class BluetoothPairingUITest : public WebUIBrowserTest {
@@ skipping 32 matching lines @@
           0,
           "Bluetooth 2.0 Mouse",
           "28:CF:DA:00:00:00",
           kNotPaired,
           kNotConnected));
 
   EXPECT_CALL(*mock_adapter_, GetDevice(testing::_))
       .WillOnce(testing::Return(mock_device_.get()));
 
   chromeos::BluetoothPairingDialog* dialog =
-      new chromeos::BluetoothPairingDialog(
-          browser()->window()->GetNativeWindow(), mock_device_.get());
-  dialog->Show();
+      new chromeos::BluetoothPairingDialog(mock_device_.get());
+  dialog->ShowInContainer(ash::kShellWindowId_SystemModalContainer);
 
   content::WebUI* webui = dialog->GetWebUIForTest();
   content::WebContents* webui_webcontents = webui->GetWebContents();
   content::WaitForLoadStop(webui_webcontents);
   SetWebUIInstance(webui);
 }