Replace basictypes.h with stddef.h for size_t.

webrtc/base/scopedptrcollection.h

 /*
  *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 // Stores a collection of pointers that are deleted when the container is
 // destructed.
 
 #ifndef WEBRTC_BASE_SCOPEDPTRCOLLECTION_H_
 #define WEBRTC_BASE_SCOPEDPTRCOLLECTION_H_
 
+#include <stddef.h>
+
 #include <algorithm>
 #include <vector>
 
-#include "webrtc/base/basictypes.h"
 #include "webrtc/base/constructormagic.h"
 
 namespace rtc {
 
 template<class T>
 class ScopedPtrCollection {
  public:
   typedef std::vector<T*> VectorT;
 
   ScopedPtrCollection() { }
@@ skipping 20 matching lines @@
 
  private:
   VectorT collection_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ScopedPtrCollection);
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_SCOPEDPTRCOLLECTION_H_