WIP - loop in LayoutManager for preferred size changes

ui/views/view.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.
 
 #define _USE_MATH_DEFINES // For VC++ to get M_PI. This has to be first.
 
 #include "ui/views/view.h"
 
 #include <algorithm>
 #include <cmath>
@@ skipping 1231 matching lines @@
 int View::GetLineScrollIncrement(ScrollView* scroll_view,
                                  bool is_horizontal, bool is_positive) {
   return 0;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // View, protected:
 
 // Size and disposition --------------------------------------------------------
 
-void View::OnBoundsChanged(const gfx::Rect& previous_bounds) {
+void View::ChildPreferredSizeChanged(View* child) {
+  if (layout_manager_)
+    layout_manager_->OnChildPreferredSizeChanged(this, child);
 }
 
 void View::PreferredSizeChanged() {
   InvalidateLayout();
   if (parent_)
     parent_->ChildPreferredSizeChanged(this);
 }
 
 bool View::NeedsNotificationWhenVisibleBoundsChange() const {
   return false;
@@ skipping 1030 matching lines @@
   ConvertPointToWidget(this, &widget_location);
   GetWidget()->RunShellDrag(this, data, widget_location, drag_operations,
       source);
   return true;
 #else
   return false;
 #endif  // !defined(OS_MACOSX)
 }
 
 }  // namespace views