Only add -isystem for libc++ for C++ files, not C files.

Only add -isystem for libc++ for C++ files, not C files.

Seems cleaner.  libc++ recently added a few headers that shadow
C headers, and shouldn't pick those up when building C files.

No intended behavior change.

BUG=none

Committed: https://crrev.com/190db871a42f413b37dc683cb0959808671082d7
Cr-Commit-Position: refs/heads/master@{#371949}

[Nico, 2016-01-27 21:02:32]

thakis@chromium.org changed reviewers:
+ brettw@chromium.org

[Nico, 2016-01-27 21:02:46]

Description was changed from

==========
Only add -isystem for libc++ for C++ files, not C files.

Seems cleaner.  libc++ recently added a few headers that shadow
C headers, and shouldn't pick those up when building C files.

BUG=none
==========

to

==========
Only add -isystem for libc++ for C++ files, not C files.

Seems cleaner.  libc++ recently added a few headers that shadow
C headers, and shouldn't pick those up when building C files.

No intended behavior change.

BUG=none
==========

[brettw, 2016-01-27 23:21:11]

lgtm

[Nico, 2016-01-28 00:54:37]

The CQ bit was checked by thakis@chromium.org

[commit-bot: I haz the power, 2016-01-28 00:57:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1647493002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1647493002/1

[commit-bot: I haz the power, 2016-01-28 01:06:44]

Description was changed from

==========
Only add -isystem for libc++ for C++ files, not C files.

Seems cleaner.  libc++ recently added a few headers that shadow
C headers, and shouldn't pick those up when building C files.

No intended behavior change.

BUG=none
==========

to

==========
Only add -isystem for libc++ for C++ files, not C files.

Seems cleaner.  libc++ recently added a few headers that shadow
C headers, and shouldn't pick those up when building C files.

No intended behavior change.

BUG=none
==========

[commit-bot: I haz the power, 2016-01-28 01:06:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-28 01:16:34]

Description was changed from

==========
Only add -isystem for libc++ for C++ files, not C files.

Seems cleaner.  libc++ recently added a few headers that shadow
C headers, and shouldn't pick those up when building C files.

No intended behavior change.

BUG=none
==========

to

==========
Only add -isystem for libc++ for C++ files, not C files.

Seems cleaner.  libc++ recently added a few headers that shadow
C headers, and shouldn't pick those up when building C files.

No intended behavior change.

BUG=none

Committed: https://crrev.com/190db871a42f413b37dc683cb0959808671082d7
Cr-Commit-Position: refs/heads/master@{#371949}
==========

[commit-bot: I haz the power, 2016-01-28 01:16:35]

Patchset 1 (id:??) landed as
https://crrev.com/190db871a42f413b37dc683cb0959808671082d7
Cr-Commit-Position: refs/heads/master@{#371949}