Propagate push command line flag to the renderer process.

Propagate push command line flag to the renderer process.

The renderer is using this to conditionally enable payload API surface
for incoming push messages, and thus needs to know about it.

This patch also re-enables the tests.

BUG=452666
Committed: https://crrev.com/7c1ea69b125d6c489ac68e3dd2eef454f9134b9f
Cr-Commit-Position: refs/heads/master@{#313500}

[Peter Beverloo, 2015-01-28 11:49:41]

peter@chromium.org changed reviewers:
+ jochen@chromium.org

[Peter Beverloo, 2015-01-28 11:49:41]

+jochen for a one-liner? :)

[jochen (gone - plz use gerrit), 2015-01-28 11:50:49]

lgtm

[Peter Beverloo, 2015-01-28 11:51:35]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2015-01-28 11:52:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/884093003/1

[commit-bot: I haz the power, 2015-01-28 12:48:11]

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

[commit-bot: I haz the power, 2015-01-28 12:48:12]

Try jobs failed on following builders:
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)

[Peter Beverloo, 2015-01-28 13:02:11]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2015-01-28 13:02:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/884093003/1

[commit-bot: I haz the power, 2015-01-28 13:50:21]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-28 13:51:29]

Patchset 1 (id:??) landed as
https://crrev.com/7c1ea69b125d6c489ac68e3dd2eef454f9134b9f
Cr-Commit-Position: refs/heads/master@{#313500}