Replace scoped_ptr with unique_ptr everywhere

webrtc/system_wrappers/include/aligned_malloc.h

 /*
  *  Copyright (c) 2011 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.
  */
 
@@ skipping 28 matching lines @@
 template<typename T>
 T* GetRightAlign(const T* ptr, size_t alignment) {
   return reinterpret_cast<T*>(GetRightAlign(reinterpret_cast<const void*>(ptr),
                                             alignment));
 }
 template<typename T>
 T* AlignedMalloc(size_t size, size_t alignment) {
   return reinterpret_cast<T*>(AlignedMalloc(size, alignment));
 }
 
-// Deleter for use with scoped_ptr. E.g., use as
-//   scoped_ptr<Foo, AlignedFreeDeleter> foo;
+// Deleter for use with unique_ptr. E.g., use as
+//   std::unique_ptr<Foo, AlignedFreeDeleter> foo;
 struct AlignedFreeDeleter {
   inline void operator()(void* ptr) const {
     AlignedFree(ptr);
   }
 };
 
 }  // namespace webrtc
 
 #endif // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_ALIGNED_MALLOC_H_