Remove duplication of encoded image data

third_party/WebKit/Source/platform/SharedBufferChunkReader.cpp

 /*
  * Copyright (C) 2011 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 16 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.
  */
 
 #include "platform/SharedBufferChunkReader.h"
 
 #include "platform/SharedBuffer.h"
 
 namespace blink {
 
-SharedBufferChunkReader::SharedBufferChunkReader(SharedBuffer* buffer, const Vector<char>& separator)
+SharedBufferChunkReader::SharedBufferChunkReader(PassRefPtr<SharedBuffer> buffer, const Vector<char>& separator)
     : m_buffer(buffer)
     , m_bufferPosition(0)
     , m_segment(0)
     , m_segmentLength(0)
     , m_segmentIndex(0)
     , m_reachedEndOfFile(false)
     , m_separator(separator)
     , m_separatorIndex(0)
 {
 }
 
-SharedBufferChunkReader::SharedBufferChunkReader(SharedBuffer* buffer, const char* separator)
+SharedBufferChunkReader::SharedBufferChunkReader(PassRefPtr<SharedBuffer> buffer, const char* separator)
     : m_buffer(buffer)
     , m_bufferPosition(0)
     , m_segment(0)
     , m_segmentLength(0)
     , m_segmentIndex(0)
     , m_reachedEndOfFile(false)
     , m_separatorIndex(0)
 {
     setSeparator(separator);
 }
@@ skipping 80 matching lines @@
             break;
         }
         data.append(segment, segmentLength);
         readBytesCount += segmentLength;
         bufferPosition += segmentLength;
     }
     return readBytesCount;
 }
 
 } // namespace blink