Cleanup of ViewManager

mojo/services/view_manager/node.h

 // Copyright 2014 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 MOJO_SERVICES_VIEW_MANAGER_NODE_H_
 #define MOJO_SERVICES_VIEW_MANAGER_NODE_H_
 
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 31 matching lines @@
   const Node* GetParent() const;
   Node* GetParent() {
     return const_cast<Node*>(const_cast<const Node*>(this)->GetParent());
   }
 
   const Node* GetRoot() const;
   Node* GetRoot() {
     return const_cast<Node*>(const_cast<const Node*>(this)->GetRoot());
   }
 
+  std::vector<const Node*> GetChildren() const;
   std::vector<Node*> GetChildren();
 
   bool Contains(const Node* node) const;
 
   // Sets the view associated with this node. Node does not own its View.
   void SetView(View* view);
   View* view() { return view_; }
   const View* view() const { return view_; }
 
  private:
@@ skipping 32 matching lines @@
   aura::Window window_;
 
   DISALLOW_COPY_AND_ASSIGN(Node);
 };
 
 }  // namespace service
 }  // namespace view_manager
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_NODE_H_