Add remoting and PPAPI tests to GN build

Add remoting and PPAPI tests to GN build

Reland of https://codereview.chromium.org/965633002/

TBR=dpranke

Committed: https://crrev.com/66c53eef76f7dff97b1bc76d51740c3a9c07844f
Cr-Commit-Position: refs/heads/master@{#318756}

[brettw, 2015-02-28 00:09:38]

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

[brettw, 2015-02-28 00:09:38]

Fix is in patch 1

[Dirk Pranke, 2015-02-28 00:14:06]

looks like you still missed something.

[brettw, 2015-02-28 00:17:16]

I got the condition reversed. PTAL

[Dirk Pranke, 2015-02-28 00:28:52]

rubber-stamp lgtm assuming you get something through the bots w/ the right
CQ_EXTRA_TRYBOTS set

[brettw, 2015-03-02 18:37:19]

The CQ bit was checked by brettw@chromium.org

[brettw, 2015-03-02 18:37:19]

The patchset sent to the CQ was uploaded after l-g-t-m from dpranke@chromium.org
Link to the patchset: https://codereview.chromium.org/961323004/#ps80001 (title:
" ")

[commit-bot: I haz the power, 2015-03-02 18:38:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/961323004/80001

[commit-bot: I haz the power, 2015-03-02 19:00:58]

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

[commit-bot: I haz the power, 2015-03-02 19:01:00]

Try jobs failed on following builders:
  linux_chromium_gn_chromeos_rel on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[brettw, 2015-03-02 19:07:12]

The CQ bit was checked by brettw@chromium.org

[brettw, 2015-03-02 19:07:12]

The patchset sent to the CQ was uploaded after l-g-t-m from dpranke@chromium.org
Link to the patchset: https://codereview.chromium.org/961323004/#ps100001
(title: "sync tests")

[commit-bot: I haz the power, 2015-03-02 19:08:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/961323004/100001

[commit-bot: I haz the power, 2015-03-02 21:09:02]

Committed patchset #6 (id:100001)

[commit-bot: I haz the power, 2015-03-02 21:09:42]

Patchset 6 (id:??) landed as
https://crrev.com/66c53eef76f7dff97b1bc76d51740c3a9c07844f
Cr-Commit-Position: refs/heads/master@{#318756}

[cpu_(ooo_6.6-7.5), 2015-03-02 22:25:00]

A revert of this CL (patchset #6 id:100001) has been created in
https://codereview.chromium.org/968243004/ by cpu@chromium.org.

The reason for reverting is: broke windows GN builds as seen in

http://build.chromium.org/p/chromium.win/builders/Win8%20GN/builds/5206/steps...
.