convert //courgette to std::unique_ptr

courgette/memory_allocator.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 COURGETTE_MEMORY_ALLOCATOR_H_
 #define COURGETTE_MEMORY_ALLOCATOR_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <stdlib.h>
@@ skipping 59 matching lines @@
 
 // Complement of UncheckedNew(): destructs |object| and releases its memory.
 template <class T>
 void UncheckedDelete(T* object) {
   if (object) {
     object->T::~T();
     free(object);
   }
 }
 
-// A deleter for scoped_ptr that will delete the object via UncheckedDelete().
+// A deleter for std::unique_ptr that will delete the object via
+// UncheckedDelete().
 template <class T>
 struct UncheckedDeleter {
   inline void operator()(T* ptr) const { UncheckedDelete(ptr); }
 };
 
 #if defined(OS_WIN)
 
 // Manages a read/write virtual mapping of a physical file.
 class FileMapping {
  public:
@@ skipping 405 matching lines @@
  protected:
   T* buffer_;
   size_t size_;  // how much of the buffer we're using.
   size_t alloc_size_;  // how much space we have allocated.
   Allocator alloc_;
 };
 
 }  // namespace courgette
 
 #endif  // COURGETTE_MEMORY_ALLOCATOR_H_