Expose vector::swap on ScopedPtrVector.

cc/scoped_ptr_vector.h

 // Copyright 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.
 
 #ifndef CC_SCOPED_PTR_VECTOR_H_
 #define CC_SCOPED_PTR_VECTOR_H_
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 66 matching lines @@
 
   void append(scoped_ptr<T> item) {
     data_.push_back(item.release());
   }
 
   void insert(size_t index, scoped_ptr<T> item) {
     DCHECK(index < size());
     data_.insert(data_.begin() + index, item.release());
   }
 
+  void swap(ScopedPtrVector<T>& other) {
+    data_.swap(other.data_);
+  }
+
   iterator begin() { return data_.begin(); }
   const_iterator begin() const { return data_.begin(); }
   iterator end() { return data_.end(); }
   const_iterator end() const { return data_.end(); }
 
   reverse_iterator rbegin() { return data_.rbegin(); }
   const_reverse_iterator rbegin() const { return data_.rbegin(); }
   reverse_iterator rend() { return data_.rend(); }
   const_reverse_iterator rend() const { return data_.rend(); }
 
  private:
   std::vector<T*> data_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedPtrVector);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCOPED_PTR_VECTOR_H_