Adds code for a new Aura shell.

ui/aura/window.cc

 // Copyright (c) 2011 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 "ui/aura/window.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "ui/aura/desktop.h"
 #include "ui/aura/event.h"
+#include "ui/aura/layout_manager.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_manager.h"
 #include "ui/gfx/canvas_skia.h"
 #include "ui/gfx/compositor/compositor.h"
 #include "ui/gfx/compositor/layer.h"
 
 namespace aura {
 
 Window::Window(WindowDelegate* delegate)
     : delegate_(delegate),
@@ skipping 30 matching lines @@
 void Window::SetVisibility(Visibility visibility) {
   if (visibility_ == visibility)
     return;
 
   visibility_ = visibility;
   layer_->set_visible(visibility_ != VISIBILITY_HIDDEN);
   if (layer_->visible())
     SchedulePaint();
 }
 
+void Window::SetLayoutManager(LayoutManager* layout_manager) {
+  layout_manager_.reset(layout_manager);
+}
+
 void Window::SetBounds(const gfx::Rect& bounds, int anim_ms) {
   // TODO: support anim_ms
   // TODO: funnel this through the Desktop.
   bool was_move = bounds_.size() == bounds.size();
+  gfx::Rect old_bounds = bounds_;
   bounds_ = bounds;
   layer_->SetBounds(bounds);
+  if (layout_manager_.get())
+    layout_manager_->OnWindowResized();
+  if (delegate_)
+    delegate_->OnBoundsChanged(old_bounds, bounds_);
   if (was_move)
     SchedulePaintInRect(gfx::Rect());
   else
     SchedulePaint();
 }
 
 void Window::SchedulePaintInRect(const gfx::Rect& rect) {
   layer_->SchedulePaint(rect);
 }
 
@@ skipping 88 matching lines @@
 void Window::SchedulePaint() {
   SchedulePaintInRect(gfx::Rect(0, 0, bounds_.width(), bounds_.height()));
 }
 
 void Window::OnPaintLayer(gfx::Canvas* canvas) {
   if (delegate_)
     delegate_->OnPaint(canvas);
 }
 
 }  // namespace aura