Enable logging in mojo:media app.

Enable logging in mojo:media app.

Example to enable logging in both html_viewer and media app:
out/GN/mojo_shell http://<host>/bear-src-a.html
--args-for='mojo://html_viewer --enable-mojo-media-renderer
--vmodule=*mojo_render*=3' --args-for='mojo://media --vmodule=*service*=3'

TBR=jamesr@chromium.org
BUG=432998, 434802
TEST=See above.
R=jrummell@chromium.org

Committed: https://crrev.com/cc4dd67b73054f97707e04de95a1c7de3e3d9396
Cr-Commit-Position: refs/heads/master@{#309617}

[jrummell, 2014-12-23 23:27:35]

lgtm.

[xhwang, 2014-12-23 23:36:47]

TBRing jamesr@ on the one line change in
mojo/services/html_viewer/html_viewer.cc.

[xhwang, 2014-12-23 23:36:51]

The CQ bit was checked by xhwang@chromium.org

[commit-bot: I haz the power, 2014-12-23 23:37:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/823853003/1

[commit-bot: I haz the power, 2014-12-23 23:47:54]

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

[commit-bot: I haz the power, 2014-12-23 23:47:55]

Try jobs failed on following builders:
  android_chromium_gn_compile_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)
  android_chromium_gn_compile_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)

[xhwang, 2014-12-24 04:39:09]

The CQ bit was checked by xhwang@chromium.org

[commit-bot: I haz the power, 2014-12-24 04:40:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/823853003/1

[commit-bot: I haz the power, 2014-12-24 05:00:03]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-12-24 05:00:47]

Patchset 1 (id:??) landed as
https://crrev.com/cc4dd67b73054f97707e04de95a1c7de3e3d9396
Cr-Commit-Position: refs/heads/master@{#309617}