Explicit animation support

base/memory/scoped_vector.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 BASE_MEMORY_SCOPED_VECTOR_H_
 #define BASE_MEMORY_SCOPED_VECTOR_H_
 #pragma once
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/stl_util.h"
 
 // ScopedVector wraps a vector deleting the elements from its
 // destructor.
 template <class T>
 class ScopedVector {
  public:
   typedef typename std::vector<T*>::iterator iterator;
   typedef typename std::vector<T*>::const_iterator const_iterator;
   typedef typename std::vector<T*>::reverse_iterator reverse_iterator;
   typedef typename std::vector<T*>::const_reverse_iterator
       const_reverse_iterator;
+  typedef typename std::vector<T*>::size_type size_type;

[sky, 2011/10/19 00:06:33]

We use size_t every where instead of this.

 
   ScopedVector() {}
   ~ScopedVector() { reset(); }
 
   std::vector<T*>* operator->() { return &v; }
   const std::vector<T*>* operator->() const { return &v; }
   T*& operator[](size_t i) { return v[i]; }
   const T* operator[](size_t i) const { return v[i]; }
 
   bool empty() const { return v.empty(); }
@@ skipping 53 matching lines @@
   iterator weak_erase(iterator first, iterator last) {
     return v.erase(first, last);
   }
  private:
   std::vector<T*> v;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedVector);
 };
 
 #endif  // BASE_MEMORY_SCOPED_VECTOR_H_