[Cleanup] Rename WindowSettings to WindowState

ash/wm/window_settings.cc

-// Copyright 2013 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/window_settings.h"
-
-#include "ui/aura/window.h"
-#include "ui/aura/window_property.h"
-#include "ui/gfx/display.h"
-
-DECLARE_WINDOW_PROPERTY_TYPE(ash::wm::WindowSettings*);
-
-namespace ash {
-namespace wm {
-
-DEFINE_OWNED_WINDOW_PROPERTY_KEY(WindowSettings,
-                                 kWindowSettingsKey, NULL);
-
-WindowSettings::WindowSettings(aura::Window* window)
-    : window_(window),
-      tracked_by_workspace_(true),
-      window_position_managed_(false),
-      bounds_changed_by_user_(false),
-      panel_attached_(true),
-      continue_drag_after_reparent_(false),
-      ignored_by_shelf_(false) {
-}
-
-WindowSettings::~WindowSettings() {
-}
-
-void WindowSettings::AddObserver(Observer* observer) {
-  observer_list_.AddObserver(observer);
-}
-
-void WindowSettings::RemoveObserver(Observer* observer) {
-  observer_list_.RemoveObserver(observer);
-}
-
-void WindowSettings::SetTrackedByWorkspace(bool tracked_by_workspace) {
-  if (tracked_by_workspace_ == tracked_by_workspace)
-    return;
-  bool old = tracked_by_workspace_;
-  tracked_by_workspace_ = tracked_by_workspace;
-  FOR_EACH_OBSERVER(Observer, observer_list_,
-                    OnTrackedByWorkspaceChanged(window_, old));
-}
-
-WindowSettings* GetWindowSettings(aura::Window* window) {
-  WindowSettings* settings = window->GetProperty(kWindowSettingsKey);
-  if(!settings) {
-    settings = new WindowSettings(window);
-    window->SetProperty(kWindowSettingsKey, settings);
-  }
-  return settings;
-}
-
-const WindowSettings* GetWindowSettings(const aura::Window* window) {
-  return GetWindowSettings(const_cast<aura::Window*>(window));
-}
-
-}  // namespace wm
-}  // namespace ash