Moves mash/wm into ash/mus

mash/wm/drag_window_resizer.cc

-// Copyright 2016 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 "mash/wm/drag_window_resizer.h"
-
-namespace mash {
-namespace wm {
-
-DragWindowResizer::DragWindowResizer(
-    std::unique_ptr<WindowResizer> next_window_resizer,
-    ash::wm::WindowState* window_state)
-    : WindowResizer(window_state),
-      next_window_resizer_(std::move(next_window_resizer)) {}
-
-DragWindowResizer::~DragWindowResizer() {
-  if (window_state_)
-    window_state_->DeleteDragDetails();
-}
-
-void DragWindowResizer::Drag(const gfx::Point& location, int event_flags) {
-  next_window_resizer_->Drag(location, event_flags);
-  // http://crbug.com/613199.
-  NOTIMPLEMENTED();
-}
-
-void DragWindowResizer::CompleteDrag() {
-  next_window_resizer_->CompleteDrag();
-  // http://crbug.com/613199.
-  NOTIMPLEMENTED();
-}
-
-void DragWindowResizer::RevertDrag() {
-  next_window_resizer_->RevertDrag();
-  // http://crbug.com/613199.
-  NOTIMPLEMENTED();
-}
-
-}  // namespace wm
-}  // namespace mash