Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/PODArena.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PODArena_h
 #define PODArena_h
 
 #include "wtf/Allocator.h"
 #include "wtf/Assertions.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/PtrUtil.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 #include "wtf/allocator/Partitions.h"
-#include <memory>
 #include <stdint.h>
 
 namespace blink {
 
 // An arena which allocates only Plain Old Data (POD), or classes and
 // structs bottoming out in Plain Old Data. NOTE: the constructors of
 // the objects allocated in this arena are called, but _not_ their
 // destructors.
 
 class PODArena final : public RefCounted<PODArena> {
@@ skipping 78 matching lines @@
     template<class T> void* allocateBase()
     {
         void* ptr = 0;
         size_t roundedSize = roundUp(sizeof(T), minAlignment<T>());
         if (m_current)
             ptr = m_current->allocate(roundedSize);
 
         if (!ptr) {
             if (roundedSize > m_currentChunkSize)
                 m_currentChunkSize = roundedSize;
-            m_chunks.append(wrapUnique(new Chunk(m_allocator.get(), m_currentChunkSize)));
+            m_chunks.append(adoptPtr(new Chunk(m_allocator.get(), m_currentChunkSize)));
             m_current = m_chunks.last().get();
             ptr = m_current->allocate(roundedSize);
         }
         return ptr;
     }
 
     // Rounds up the given allocation size to the specified alignment.
     size_t roundUp(size_t size, size_t alignment)
     {
         ASSERT(!(alignment % 2));
@@ skipping 41 matching lines @@
     protected:
         Allocator* m_allocator;
         uint8_t* m_base;
         size_t m_size;
         size_t m_currentOffset;
     };
 
     RefPtr<Allocator> m_allocator;
     Chunk* m_current;
     size_t m_currentChunkSize;
-    Vector<std::unique_ptr<Chunk>> m_chunks;
+    Vector<OwnPtr<Chunk>> m_chunks;
 };
 
 } // namespace blink
 
 #endif // PODArena_h