Adds WmWindow and converts WindowState to use it

ash/wm/dock/docked_window_layout_manager.cc

 // Copyright (c) 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/dock/docked_window_layout_manager.h"
 
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_resizer.h"
 #include "ash/wm/window_state.h"
+#include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "grit/ash_resources.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/client/window_tree_client.h"
@@ skipping 797 matching lines @@
     BackgroundAnimatorChangeType change_type) {
   background_widget_->SetBackgroundType(background_type, change_type);
 }
 
 /////////////////////////////////////////////////////////////////////////////
 // DockedWindowLayoutManager, WindowStateObserver implementation:
 
 void DockedWindowLayoutManager::OnPreWindowStateTypeChange(
     wm::WindowState* window_state,
     wm::WindowStateType old_type) {
-  aura::Window* window = window_state->window();
+  aura::Window* window = window_state->aura_window();
   if (IsPopupOrTransient(window))
     return;
   // The window property will still be set, but no actual change will occur
   // until OnFullscreenStateChange is called when exiting fullscreen.
   if (in_fullscreen_)
     return;
   if (!window_state->IsDocked()) {
     if (window != dragged_window_) {
       UndockWindow(window);
       if (window_state->IsMaximizedOrFullscreen())
@@ skipping 104 matching lines @@
       settings.SetTransitionDuration(
           base::TimeDelta::FromMilliseconds(kMinimizeDurationMs));
       settings.LockTransitionDuration();
       wm::GetWindowState(window)->Minimize();
     }
   }
 }
 
 void DockedWindowLayoutManager::MinimizeDockedWindow(
     wm::WindowState* window_state) {
-  DCHECK(!IsPopupOrTransient(window_state->window()));
+  DCHECK(!IsPopupOrTransient(window_state->aura_window()));
   window_state->window()->Hide();
   if (window_state->IsActive())
     window_state->Deactivate();
   RecordUmaAction(DOCKED_ACTION_MINIMIZE, event_source_);
 }
 
 void DockedWindowLayoutManager::RestoreDockedWindow(
     wm::WindowState* window_state) {
-  aura::Window* window = window_state->window();
+  aura::Window* window = window_state->aura_window();
   DCHECK(!IsPopupOrTransient(window));
   // Always place restored window at the bottom shuffling the other windows up.
   // TODO(varkha): add a separate container for docked windows to keep track
   // of ordering.
   gfx::Display display =
       gfx::Screen::GetScreen()->GetDisplayNearestWindow(dock_container_);
   const gfx::Rect work_area = display.work_area();
 
   // Evict the window if it can no longer be docked because of its height.
   if (!CanDockWindow(window, DOCKED_ALIGNMENT_NONE)) {
@@ skipping 377 matching lines @@
 
 void DockedWindowLayoutManager::OnKeyboardBoundsChanging(
     const gfx::Rect& keyboard_bounds) {
   // This bounds change will have caused a change to the Shelf which does not
   // propagate automatically to this class, so manually recalculate bounds.
   Relayout();
   UpdateDockBounds(DockedWindowLayoutManagerObserver::KEYBOARD_BOUNDS_CHANGING);
 }
 
 }  // namespace ash