This change changes PDFViaEMFPrintHelper so that instead of loading the entire
contents of a PDF document into memory to pass to PDFium, it now simply passes
PDFium a file system path to load the PDF from. This should help us reduce
memory use (and potentially avoid running out of memory) when larger PDFs are
printed.
MozReview-Commit-ID: GISolZYC2GJ
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extra : rebase_source : a59925542b6c075cd14c67577653163cc2d49c0f
This class helps draw a PDF file to a given Windows DC.
MozReview-Commit-ID: IjZAIcN3bND
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extra : rebase_source : 035dfbf5380316aacae8e1e1591d81971c47b843