Use memcpy in SVGPathByteStreamSource::readType

Source/core/svg/SVGPathByteStreamSource.h

 /*
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 42 matching lines @@
     virtual bool parseArcToSegment(float&, float&, float&, bool&, bool&, FloatPoint&) OVERRIDE;
 
 #if COMPILER(MSVC)
 #pragma warning(disable: 4701)
 #endif
     template<typename DataType>
     DataType readType()
     {
         ByteType<DataType> data;
         size_t typeSize = sizeof(ByteType<DataType>);
-
-        for (size_t i = 0; i < typeSize; ++i) {
-            ASSERT(m_streamCurrent < m_streamEnd);
-            data.bytes[i] = *m_streamCurrent;
-            ++m_streamCurrent;
-        }
-
+        ASSERT(m_streamCurrent + typeSize <= m_streamEnd);
+        memcpy(data.bytes, m_streamCurrent, typeSize);
+        m_streamCurrent += typeSize;
         return data.value;
     }
 
     bool readFlag() { return readType<bool>(); }
     float readFloat() { return readType<float>(); }
     unsigned short readSVGSegmentType() { return readType<unsigned short>(); }
     FloatPoint readFloatPoint()
     {
         float x = readType<float>();
         float y = readType<float>();
         return FloatPoint(x, y);
     }
 
     SVGPathByteStream::DataIterator m_streamCurrent;
     SVGPathByteStream::DataIterator m_streamEnd;
 };
 
 } // namespace WebCore
 
 #endif // SVGPathByteStreamSource_h