Plugin Power Saver: Center 'Play' icon for all partially obscured plugins.

Plugin Power Saver: Center 'Play' icon for all partially obscured plugins.

This centers the 'Play' icon correctly even if the plugin's left side or
top side is obscured.

BUG=503771
Committed: https://crrev.com/5ffce36e4eb2986a39172dd26f8f9a8cef8308a3
Cr-Commit-Position: refs/heads/master@{#338717}

[tommycli, 2015-07-14 16:51:49]

The CQ bit was checked by tommycli@chromium.org to run a CQ dry run

[tommycli, 2015-07-14 16:52:18]

tommycli@chromium.org changed reviewers:
+ bauerb@chromium.org

[tommycli, 2015-07-14 16:52:19]

bauerb: ptal, thanks!

[commit-bot: I haz the power, 2015-07-14 16:52:28]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1234103002/1

[Bernhard Bauer, 2015-07-14 17:03:52]

lgtm

[tommycli, 2015-07-14 17:07:26]

The CQ bit was checked by tommycli@chromium.org

[tommycli, 2015-07-14 17:07:26]

The CQ bit was unchecked by tommycli@chromium.org

[tommycli, 2015-07-14 17:48:12]

The CQ bit was checked by tommycli@chromium.org

[commit-bot: I haz the power, 2015-07-14 17:49:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1234103002/1

[commit-bot: I haz the power, 2015-07-14 18:25:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-14 18:27:10]

Patchset 1 (id:??) landed as
https://crrev.com/5ffce36e4eb2986a39172dd26f8f9a8cef8308a3
Cr-Commit-Position: refs/heads/master@{#338717}