Revert of PdfMetafileSkia: Embed Creator, CreationDate, and ModDate in PDF.

Revert of PdfMetafileSkia: Embed Creator, CreationDate, and ModDate in PDF. (patchset #2 id:20001 of https://codereview.chromium.org/1367713002/ )

Reason for revert:
buildbot warning in Chromium Memory FYI on Linux ChromeOS MSan Tests, revision 

Original issue's description:
> PdfMetafileSkia: Embed Creator, CreationDate, and ModDate in PDF.
> 
> Committed: https://crrev.com/67ce00b8655fc75238c673154b5b100cf40740fd
> Cr-Commit-Position: refs/heads/master@{#351011}

TBR=vitalybuka@chromium.org,tomhudson@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

[hal.canary, 2015-09-28 00:55:13]

Created Revert of PdfMetafileSkia: Embed Creator, CreationDate, and ModDate in
PDF.

[commit-bot: I haz the power, 2015-09-28 00:55:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1367393002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1367393002/1

[commit-bot: I haz the power, 2015-09-28 00:55:22]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-09-28 00:55:23]

No L-G-T-M from a valid reviewer yet. Only full committers are accepted.
Even if an L-G-T-M may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[tomhudson, 2015-09-28 02:15:24]

lgtm