Revert of Roll PDFium f7a8b34..1630dff (patchset #5 id:80001 of https://codereview.chromium.org/1427933003/ )
Revert of Roll PDFium f7a8b34..1630dff (patchset #5 id:80001 of https://codereview.chromium.org/1427933003/ )

Reason for revert:
Broke Google Chrome Linux x64 bot (see also http://crbug.com/549998)

Original issue's description:
> Roll PDFium f7a8b34..1630dff
>
> https://pdfium.googlesource.com/pdfium.git/+log/f7a8b34..1630dff
>
> BUG=512445,543049,548714
>
> Committed: https://crrev.com/374b69294771a953ec244eedd667455597ac8409
> Cr-Commit-Position: refs/heads/master@{#357240}
>
> R=thestig@chromium.org

TBR=thestig@chromium.org,thestig@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=512445,543049,548714

Review URL: https://codereview.chromium.org/1429873002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#357277}

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