Add SkPDFDeviceFlatenner which extends SkPDFDevice to add support to flatten the path and the text when we have perspective.
prepare to deprecate SkPDFDevice constructor, and route gm and render_pdfs to use SkDocument::Create pdf interface instead. - controlled by a flag
add comments where we are supposed to flatten other features (paint, shaders, ... ),,,,


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git-svn-id: 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed