chromeos: Move files in //ash/common to //ash, part 2

ash/common/wm/root_window_finder.cc

Index: ash/common/wm/root_window_finder.cc
diff --git a/ash/common/wm/root_window_finder.cc b/ash/common/wm/root_window_finder.cc
deleted file mode 100644
index 87c2da30fa6a89e1f134bc53952169044f00ec48..0000000000000000000000000000000000000000
--- a/ash/common/wm/root_window_finder.cc
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright (c) 2012 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 "ash/common/wm/root_window_finder.h"
-
-#include "ash/common/wm_window.h"
-#include "ash/root_window_controller.h"
-#include "ash/shell.h"
-#include "ui/display/display.h"
-#include "ui/display/screen.h"
-#include "ui/gfx/geometry/point.h"
-#include "ui/gfx/geometry/rect.h"
-
-namespace ash {
-namespace wm {
-
-WmWindow* GetRootWindowAt(const gfx::Point& point) {
-  const display::Display& display =
-      display::Screen::GetScreen()->GetDisplayNearestPoint(point);
-  DCHECK(display.is_valid());
-  RootWindowController* root_window_controller =
-      Shell::GetRootWindowControllerWithDisplayId(display.id());
-  return root_window_controller ? root_window_controller->GetWindow() : nullptr;
-}
-
-WmWindow* GetRootWindowMatching(const gfx::Rect& rect) {
-  const display::Display& display =
-      display::Screen::GetScreen()->GetDisplayMatching(rect);
-  RootWindowController* root_window_controller =
-      Shell::GetRootWindowControllerWithDisplayId(display.id());
-  return root_window_controller ? root_window_controller->GetWindow() : nullptr;
-}
-
-}  // namespace wm
-}  // namespace ash