Add View::ReorderChildView and Widget::MoveToTop.

views/view.h

 // 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.
 
 #ifndef VIEWS_VIEW_H_
 #define VIEWS_VIEW_H_
 #pragma once
 
 #include <algorithm>
 #include <map>
@@ skipping 159 matching lines @@
   // Tree operations -----------------------------------------------------------
 
   // Get the Widget that hosts this View, if any.
   virtual const Widget* GetWidget() const;
   virtual Widget* GetWidget();
 
   // Adds |view| as a child of this view, optionally at |index|.
   void AddChildView(View* view);
   void AddChildViewAt(View* view, int index);
 
+  // Moves |view| to the specified |index|. A negative value for |index| moves
+  // the view at the end.
+  void ReorderChildView(View* view, int index);
+
   // Removes |view| from this view. The view's parent will change to NULL.
   void RemoveChildView(View* view);
 
   // Removes all the children from this view. If |delete_children| is true,
   // the views are deleted, unless marked as not parent owned.
   void RemoveAllChildViews(bool delete_children);
 
   // Returns the child view at |index|.
   const View* GetChildViewAt(int index) const;
   View* GetChildViewAt(int index);
@@ skipping 1221 matching lines @@
 #if defined(OS_WIN)
   scoped_refptr<NativeViewAccessibilityWin> native_view_accessibility_win_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_VIEW_H_