Moves DefaultWindowResizer to common.

ash/wm/default_window_resizer.cc

-// 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/wm/default_window_resizer.h"
-
-#include "ash/wm/common/window_state.h"
-#include "ash/wm/common/wm_globals.h"
-#include "ash/wm/common/wm_window.h"
-
-namespace ash {
-
-DefaultWindowResizer::~DefaultWindowResizer() {
-  globals_->UnlockCursor();
-}
-
-// static
-DefaultWindowResizer*
-DefaultWindowResizer::Create(wm::WindowState* window_state) {
-  return new DefaultWindowResizer(window_state);
-}
-
-void DefaultWindowResizer::Drag(const gfx::Point& location, int event_flags) {
-  gfx::Rect bounds(CalculateBoundsForDrag(location));
-  if (bounds != GetTarget()->GetBounds()) {
-    if (!did_move_or_resize_ && !details().restore_bounds.IsEmpty())
-      window_state_->ClearRestoreBounds();
-    did_move_or_resize_ = true;
-    GetTarget()->SetBounds(bounds);
-  }
-}
-
-void DefaultWindowResizer::CompleteDrag() {
-}
-
-void DefaultWindowResizer::RevertDrag() {
-  if (!did_move_or_resize_)
-    return;
-
-  GetTarget()->SetBounds(details().initial_bounds_in_parent);
-
-  if (!details().restore_bounds.IsEmpty())
-    window_state_->SetRestoreBoundsInScreen(details().restore_bounds);
-}
-
-DefaultWindowResizer::DefaultWindowResizer(wm::WindowState* window_state)
-    : WindowResizer(window_state),
-      did_move_or_resize_(false),
-      globals_(GetTarget()->GetGlobals()) {
-  DCHECK(details().is_resizable);
-  globals_->LockCursor();
-}
-
-}  // namespace aura