V2: Implement reparenting, bounds and visibility change notifications, and write more tests.

ui/v2/src/layout.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 "ui/v2/public/layout.h"
 
 #include "ui/v2/public/view.h"
+#include "ui/v2/src/view_private.h"
 
 namespace v2 {
 
 ////////////////////////////////////////////////////////////////////////////////
 // Layout, public:
 
 Layout::~Layout() {}
 
 void Layout::SetChildBounds(View* child,
                             const gfx::Rect& requested_bounds) {
   SetChildBoundsDirect(child, requested_bounds);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Layout, protected:
 
 void Layout::SetChildBoundsDirect(View* child, const gfx::Rect& bounds) {
-  child->SetBoundsInternal(bounds);
+  ViewPrivate(child).set_bounds(bounds);
 }
 
 }  // namespace v2