Removed desktop_screen_x11_test_api.cc/h

It is not used anyplace, only referenced in one file and BUILD.gn.

Change-Id: I6a3bf313ae92273148c440789c4d95d2f72a02a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2249596Reviewed-by: Robert Liao <robliao@chromium.org>
Commit-Queue: Allen Bauer <kylixrd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#779546}

ui/views/BUILD.gn

@@ -1009,8 +1009,6 @@ jumbo_source_set("test_support") {
     ]
     if (use_x11) {
       sources += [
-        "test/desktop_screen_x11_test_api.cc",
-        "test/desktop_screen_x11_test_api.h",
         "test/test_desktop_screen_x11.cc",
         "test/test_desktop_screen_x11.h",
         "test/ui_controls_factory_desktop_aurax11.cc",

ui/views/test/desktop_screen_x11_test_api.cc

-// 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 "ui/views/test/desktop_screen_x11_test_api.h"
-
-#include "ui/display/screen.h"
-#include "ui/views/widget/desktop_aura/desktop_screen_x11.h"
-
-namespace views {
-namespace test {
-
-void DesktopScreenX11TestApi::UpdateDisplays() {
-  DesktopScreenX11* screen =
-      static_cast<DesktopScreenX11*>(display::Screen::GetScreen());
-  screen->x11_display_manager_->UpdateDisplayList();
-}
-
-}  // namespace test
-}  // namespace views

ui/views/test/desktop_screen_x11_test_api.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_VIEWS_TEST_DESKTOP_SCREEN_X11_TEST_API_H_
-#define UI_VIEWS_TEST_DESKTOP_SCREEN_X11_TEST_API_H_
-
-#include "base/macros.h"
-
-namespace views {
-namespace test {
-
-class DesktopScreenX11TestApi {
- public:
-  // Updates the displays. Typically used to reflect customized device
-  // scale factor in displays.
-  static void UpdateDisplays();
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DesktopScreenX11TestApi);
-};
-
-}  // namespace test
-}  // namespace views
-
-#endif  // UI_VIEWS_TEST_DESKTOP_SCREEN_X11_TEST_API_H_

ui/views/widget/desktop_aura/desktop_screen_x11.h

@@ -20,10 +20,6 @@
 namespace views {
 class DesktopScreenX11Test;
 
-namespace test {
-class DesktopScreenX11TestApi;
-}
-
 // Screen implementation that talks to XRandR
 class VIEWS_EXPORT DesktopScreenX11 : public display::Screen,
                                       public ui::XEventDispatcher,
@@ -67,7 +63,6 @@ class VIEWS_EXPORT DesktopScreenX11 : public display::Screen,
 
  private:
   friend class DesktopScreenX11Test;
-  friend class test::DesktopScreenX11TestApi;
 
   // ui::XDisplayManager::Delegate:
   void OnXDisplayListUpdated() override;