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authorTom Sepez <tsepez@chromium.org>2018-04-27 19:32:59 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-04-27 19:32:59 +0000
commit862cbe46b7d7040e35733f5ed63839ee34223387 (patch)
tree45895d00a62941d48311734c5244d0d1ecf34d56 /fxbarcode/datamatrix/BC_X12Encoder.cpp
parent2b053ce82e921984ee191b26fe9a760ba1508a66 (diff)
downloadpdfium-862cbe46b7d7040e35733f5ed63839ee34223387.tar.xz
Avoid potential duplicate unique_ptr to CPDF_Document from CPDFXA_Context.
Should FPDFDocumentFromCPDFDocument() be called several times under XFA, we may WrapUnique() the document several times. So cache a pointer back from CPDF_Document to CPDFXFA_Context to avoid this. Because of layering, introduce a placeholder type CPDF_Document::Extension. This is actually the first step in some larger XFA ownership cleanup, but makes a nice standalone CL around the one particular issue. Change-Id: I4be326ddb1a5fae7339e6ed6745dd551b1374b53 Reviewed-on: https://pdfium-review.googlesource.com/31570 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
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