Update the documentation: no longer needs to set clang_use_chrome_plugins

Update the documentation: no longer needs to set clang_use_chrome_plugins

PDFium can be compiled with clang_use_chrome_plugins=true, which
is the default setting. So we no longer need to set the variable.

BUG=pdfium:469
Committed: https://pdfium.googlesource.com/pdfium/+/bb8b63d6b762393e6e7460351375d596bdabef0c

[Wei Li, 2016-06-21 18:50:19]

weili@chromium.org changed reviewers:
+ dsinclair@chromium.org

[Wei Li, 2016-06-21 18:50:20]

pls review, thanks

[dsinclair, 2016-06-21 18:53:47]

The CQ bit was checked by dsinclair@chromium.org

[dsinclair, 2016-06-21 18:53:48]

lgtm

[commit-bot: I haz the power, 2016-06-21 18:53:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2085803003/1

[commit-bot: I haz the power, 2016-06-21 19:23:28]

Description was changed from

==========
Update the documentation: no longer needs to set clang_use_chrome_plugins

PDFium can be compiled with clang_use_chrome_plugins=true, which
is the default setting. So we no longer need to set the variable.

BUG=pdfium:469
==========

to

==========
Update the documentation: no longer needs to set clang_use_chrome_plugins

PDFium can be compiled with clang_use_chrome_plugins=true, which
is the default setting. So we no longer need to set the variable.

BUG=pdfium:469

Committed:
https://pdfium.googlesource.com/pdfium/+/bb8b63d6b762393e6e7460351375d596bdab...
==========

[commit-bot: I haz the power, 2016-06-21 19:23:29]

Committed patchset #1 (id:1) as
https://pdfium.googlesource.com/pdfium/+/bb8b63d6b762393e6e7460351375d596bdab...