Removes most aura dependencies from DockedWindowResizer

ash/wm/aura/wm_window_aura.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 "ash/wm/aura/wm_window_aura.h"
 
 #include "ash/screen_util.h"
 #include "ash/wm/aura/wm_globals_aura.h"
 #include "ash/wm/aura/wm_root_window_controller_aura.h"
 #include "ash/wm/common/wm_window_observer.h"
 #include "ash/wm/common/wm_window_property.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/aura_constants.h"
+#include "ui/aura/client/window_tree_client.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_property.h"
 #include "ui/base/hit_test.h"
 #include "ui/compositor/layer_tree_owner.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/screen.h"
 #include "ui/wm/core/coordinate_conversion.h"
 #include "ui/wm/core/window_util.h"
@@ skipping 155 matching lines @@
 }
 
 const WindowState* WmWindowAura::GetWindowState() const {
   return ash::wm::GetWindowState(window_);
 }
 
 WmWindow* WmWindowAura::GetToplevelWindow() {
   return Get(window_->GetToplevelWindow());
 }
 
+void WmWindowAura::SetParentUsingContext(WmWindow* context,
+                                         const gfx::Rect& screen_bounds) {
+  aura::client::ParentWindowWithContext(window_, GetAuraWindow(context),
+                                        screen_bounds);
+}
+
 void WmWindowAura::AddChild(WmWindow* window) {
   window_->AddChild(GetAuraWindow(window));
 }
 
 WmWindow* WmWindowAura::GetParent() {
   return Get(window_->parent());
 }
 
 WmWindow* WmWindowAura::GetTransientParent() {
   return Get(::wm::GetTransientParent(window_));
@@ skipping 280 matching lines @@
   FOR_EACH_OBSERVER(WmWindowObserver, observers_,
                     OnWindowBoundsChanged(this, old_bounds, new_bounds));
 }
 
 void WmWindowAura::OnWindowDestroying(aura::Window* window) {
   FOR_EACH_OBSERVER(WmWindowObserver, observers_, OnWindowDestroying(this));
 }
 
 }  // namespace wm
 }  // namespace ash