ViewRoot class for event forwarding on Android

ui/display/test/test_screen.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 UI_DISPLAY_TEST_TEST_SCREEN_H_
 #define UI_DISPLAY_TEST_TEST_SCREEN_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 12 matching lines @@
 class TestScreen : public ScreenBase {
  public:
   TestScreen();
   ~TestScreen() override;
 
   // Screen:
   gfx::Point GetCursorScreenPoint() override;
   bool IsWindowUnderCursor(gfx::NativeWindow window) override;
   gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
   Display GetDisplayNearestWindow(gfx::NativeView view) const override;
+#if defined(OS_ANDROID)
+  Display GetDisplayNearestWindowAndroid(gfx::NativeWindow window)
+      const override;
+#endif
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestScreen);
 };
 
 }  // namespace test
 }  // namespace display
 
 #endif  // UI_DISPLAY_TEST_TEST_SCREEN_H_