Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/image-decoders/bmp/BMPImageDecoder.h

 /*
  * Copyright (c) 2008, 2009, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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 BMPImageDecoder_h
 #define BMPImageDecoder_h
 
 #include "platform/image-decoders/bmp/BMPImageReader.h"
-#include <memory>
+#include "wtf/OwnPtr.h"
 
 namespace blink {
 
 // This class decodes the BMP image format.
 class PLATFORM_EXPORT BMPImageDecoder final : public ImageDecoder {
 public:
     BMPImageDecoder(AlphaOption, GammaAndColorProfileOption, size_t maxDecodedBytes);
 
     // ImageDecoder:
     String filenameExtension() const override { return "bmp"; }
@@ skipping 21 matching lines @@
     // |imgDataOffset| based on the header contents. Returns true if the
     // file header could be decoded.
     bool processFileHeader(size_t& imgDataOffset);
 
     // An index into |m_data| representing how much we've already decoded.
     // Note that this only tracks data _this_ class decodes; once the
     // BMPImageReader takes over this will not be updated further.
     size_t m_decodedOffset;
 
     // The reader used to do most of the BMP decoding.
-    std::unique_ptr<BMPImageReader> m_reader;
+    OwnPtr<BMPImageReader> m_reader;
 };
 
 } // namespace blink
 
 #endif