mash: Migrate ScopedTargetRootWindow to //ash/common

chrome/browser/ui/window_sizer/window_sizer_ash_unittest.cc

Index: chrome/browser/ui/window_sizer/window_sizer_ash_unittest.cc
diff --git a/chrome/browser/ui/window_sizer/window_sizer_ash_unittest.cc b/chrome/browser/ui/window_sizer/window_sizer_ash_unittest.cc
index db3850dd5560d4454265dd764bef43f691ac9a4b..6cb8e2c62deed4b8c7d52571dc616418a245bc96 100644
--- a/chrome/browser/ui/window_sizer/window_sizer_ash_unittest.cc
+++ b/chrome/browser/ui/window_sizer/window_sizer_ash_unittest.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "ash/aura/scoped_root_window_for_new_windows_aura.h"
 #include "ash/common/wm/window_positioner.h"
 #include "ash/common/wm/window_resizer.h"
 #include "ash/common/wm/window_state.h"
-#include "ash/scoped_target_root_window.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ -824,7 +824,7 @@ TEST_F(WindowSizerAshTest, DefaultBoundsInTargetDisplay) {
   {
     aura::Window* first_root =
         ash::Shell::GetAllRootWindows()[0];
-    ash::ScopedTargetRootWindow tmp(first_root);
+    ash::ScopedRootWindowForNewWindowsAura tmp(first_root);
     gfx::Rect bounds;
     ui::WindowShowState show_state;
     WindowSizer::GetBrowserWindowBoundsAndShowState(
@@ -838,7 +838,7 @@ TEST_F(WindowSizerAshTest, DefaultBoundsInTargetDisplay) {
   {
     aura::Window* second_root =
         ash::Shell::GetAllRootWindows()[1];
-    ash::ScopedTargetRootWindow tmp(second_root);
+    ash::ScopedRootWindowForNewWindowsAura tmp(second_root);
     gfx::Rect bounds;
     ui::WindowShowState show_state;
     WindowSizer::GetBrowserWindowBoundsAndShowState(