Removed unneeded includes of base/scoped_ptr.h.

chrome/views/tree_node_model.h

 // Copyright (c) 2006-2008 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 CHROME_VIEWS_TREE_NODE_MODEL_H__
 #define CHROME_VIEWS_TREE_NODE_MODEL_H__
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/scoped_ptr.h"
 #include "chrome/common/scoped_vector.h"
 #include "chrome/views/tree_model.h"
 
 namespace views {
 
 // TreeNodeModel and TreeNodes provide an implementation of TreeModel around
 // TreeNodes. TreeNodes form a directed acyclic graph.
 //
 // TreeNodes own their children, so that deleting a node deletes all
 // descendants.
@@ skipping 250 matching lines @@
 
   // The observer.
   TreeModelObserver* observer_;
 
   DISALLOW_COPY_AND_ASSIGN(TreeNodeModel);
 };
 
 }  // namespace views
 
 #endif  // CHROME_VIEWS_TREE_NODE_MODEL_H__