Revert of Remove a bunch of NPAPI quirks and related support code

Revert of Remove a bunch of NPAPI quirks and related support code (patchset #1 id:80001 of https://codereview.chromium.org/1813143002/ )

Reason for revert:
Speculative revert: could have broken Win8 GN build. See crbug.com/597032

Original issue's description:
> Remove a bunch of NPAPI quirks and related support code
>
> BUG=493212
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
>
> Committed: https://crrev.com/f8396023a9e38d3ec249cdf1f730e4b79cebbc7e
> Cr-Commit-Position: refs/heads/master@{#382642}

TBR=dcheng@chromium.org,jam@chromium.org,piman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=493212
Committed: https://crrev.com/c2ec05d98bce21ef672e6775e6f682d41f945f4e
Cr-Commit-Position: refs/heads/master@{#382684}

[dgozman, 2016-03-22 21:31:01]

Created Revert of Remove a bunch of NPAPI quirks and related support code

[commit-bot: I haz the power, 2016-03-22 21:32:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1825253002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1825253002/1

[commit-bot: I haz the power, 2016-03-22 21:33:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-22 21:35:34]

Description was changed from

==========
Revert of Remove a bunch of NPAPI quirks and related support code (patchset #1
id:80001 of https://codereview.chromium.org/1813143002/ )

Reason for revert:
Speculative revert: could have broken Win8 GN build. See crbug.com/597032

Original issue's description:
> Remove a bunch of NPAPI quirks and related support code
> 
> BUG=493212
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
> 
> Committed: https://crrev.com/f8396023a9e38d3ec249cdf1f730e4b79cebbc7e
> Cr-Commit-Position: refs/heads/master@{#382642}

TBR=dcheng@chromium.org,jam@chromium.org,piman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=493212
==========

to

==========
Revert of Remove a bunch of NPAPI quirks and related support code (patchset #1
id:80001 of https://codereview.chromium.org/1813143002/ )

Reason for revert:
Speculative revert: could have broken Win8 GN build. See crbug.com/597032

Original issue's description:
> Remove a bunch of NPAPI quirks and related support code
>
> BUG=493212
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
>
> Committed: https://crrev.com/f8396023a9e38d3ec249cdf1f730e4b79cebbc7e
> Cr-Commit-Position: refs/heads/master@{#382642}

TBR=dcheng@chromium.org,jam@chromium.org,piman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=493212

Committed: https://crrev.com/c2ec05d98bce21ef672e6775e6f682d41f945f4e
Cr-Commit-Position: refs/heads/master@{#382684}
==========

[commit-bot: I haz the power, 2016-03-22 21:35:35]

Patchset 1 (id:??) landed as
https://crrev.com/c2ec05d98bce21ef672e6775e6f682d41f945f4e
Cr-Commit-Position: refs/heads/master@{#382684}