Rename gfx::test::TestScreen to display::test::TestScreen

ui/gfx/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.
-
-#include <vector>
-
-#include "base/macros.h"
-#include "ui/gfx/display.h"
-#include "ui/gfx/screen.h"
-
-namespace gfx {
-namespace test {
-
-// A dummy implementation of gfx::Screen that contains a single gfx::Display
-// only. The contained gfx::Display can be accessed and modified via
-// TestScreen::display().
-//
-// NOTE: Adding and removing gfx::DisplayOberver's are no-ops and observers will
-// NOT be notified ever.
-class TestScreen : public gfx::Screen {
- public:
-  TestScreen();
-  ~TestScreen() override;
-
-  gfx::Display* display() { return &display_; }
-
-  // gfx::Screen:
-  gfx::Point GetCursorScreenPoint() override;
-  bool IsWindowUnderCursor(gfx::NativeWindow window) override;
-  gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
-  int GetNumDisplays() const override;
-  std::vector<gfx::Display> GetAllDisplays() const override;
-  gfx::Display GetDisplayNearestWindow(gfx::NativeView view) const override;
-  gfx::Display GetDisplayNearestPoint(const gfx::Point& point) const override;
-  gfx::Display GetDisplayMatching(const gfx::Rect& match_rect) const override;
-  gfx::Display GetPrimaryDisplay() const override;
-  void AddObserver(gfx::DisplayObserver* observer) override;
-  void RemoveObserver(gfx::DisplayObserver* observer) override;
-
- private:
-  // The only display.
-  gfx::Display display_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestScreen);
-};
-
-}  // namespace test
-}  // namespace gfx