Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/graphics/ContiguousContainer.cpp

 // Copyright 2015 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.
 
 #include "platform/graphics/ContiguousContainer.h"
 
 #include "wtf/Allocator.h"
 #include "wtf/ContainerAnnotations.h"
-#include "wtf/PtrUtil.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/allocator/PartitionAlloc.h"
 #include "wtf/allocator/Partitions.h"
 #include <algorithm>
-#include <memory>
 
 namespace blink {
 
 // Default number of max-sized elements to allocate space for, if there is no
 // initial buffer.
 static const unsigned kDefaultInitialBufferSize = 32;
 
 class ContiguousContainerBase::Buffer {
     WTF_MAKE_NONCOPYABLE(Buffer);
     USING_FAST_MALLOC(Buffer);
@@ skipping 144 matching lines @@
     m_elements.swap(other.m_elements);
     m_buffers.swap(other.m_buffers);
     std::swap(m_endIndex, other.m_endIndex);
     std::swap(m_maxObjectSize, other.m_maxObjectSize);
 }
 
 ContiguousContainerBase::Buffer*
 ContiguousContainerBase::allocateNewBufferForNextAllocation(size_t bufferSize, const char* typeName)
 {
     ASSERT(m_buffers.isEmpty() || m_endIndex == m_buffers.size() - 1);
-    std::unique_ptr<Buffer> newBuffer = wrapUnique(new Buffer(bufferSize, typeName));
+    OwnPtr<Buffer> newBuffer = adoptPtr(new Buffer(bufferSize, typeName));
     Buffer* bufferToReturn = newBuffer.get();
     m_buffers.append(std::move(newBuffer));
     m_endIndex = m_buffers.size() - 1;
     return bufferToReturn;
 }
 
 } // namespace blink