NEW 75770
WKPrintingView should avoid copying the PDF data 
https://bugs.webkit.org/show_bug.cgi?id=75770
Summary WKPrintingView should avoid copying the PDF data
Mark Rowe (bdash)
Reported 2012-01-06 23:04:18 PST
In <http://trac.webkit.org/changeset/104377> we switched to copying bytes from a Vector<char> in to an NSData*. It should be possible to use -initWithBytesNoCopy:length:freeWhenDone: to avoid copying. This may require changing some of the assumptions about the state of _printedPagesData as it is likely to require transferring ownership of the buffer to the NSData instance.
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