Scale client area, hit test mask and bounds by device_scale_factor.

services/ui/public/cpp/tests/window_server_test_base.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.
 
 #ifndef SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_SERVER_TEST_BASE_H_
 #define SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_SERVER_TEST_BASE_H_
 
 #include <memory>
 #include <set>
 
 #include "base/macros.h"
 #include "services/service_manager/public/cpp/interface_factory.h"
 #include "services/ui/public/cpp/tests/window_server_shelltest_base.h"
 #include "services/ui/public/cpp/window_manager_delegate.h"
 #include "services/ui/public/cpp/window_tree_client_delegate.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
+#include "ui/display/test/test_screen.h"
 
 namespace ui {
 
 // WindowServerTestBase is a base class for use with shell tests that use
 // WindowServer. SetUp() connects to the WindowServer and blocks until OnEmbed()
 // has been invoked. window_manager() can be used to access the WindowServer
 // established as part of SetUp().
 class WindowServerTestBase
     : public WindowServerServiceTestBase,
       public WindowTreeClientDelegate,
@@ skipping 76 matching lines @@
   // The window server connection held by the window manager (app running at
   // the root window).
   WindowTreeClient* window_manager_;
 
   // A test can override the WM-related behaviour by installing its own
   // WindowManagerDelegate during the test.
   WindowManagerDelegate* window_manager_delegate_;
 
   WindowManagerClient* window_manager_client_;
 
+  // Dummy screen required to be the screen instance.
+  display::test::TestScreen test_screen_;
+
   bool window_tree_client_lost_connection_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(WindowServerTestBase);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_SERVER_TEST_BASE_H_