Remove the need for <polymer-selector> in the PDF plugin.

Remove the need for <polymer-selector> in the PDF plugin.

<polymer-selector> is no longer necessary as button selection state is kept
in the viewport. This also removes the now unused polymer-selector libraries
from third_party/.

BUG=303491
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=263849

[raymes, 2014-04-14 07:21:26]

arv@ for chrome/browser/resources/*
rsadam@ for third_party/

[rsadam, 2014-04-14 13:52:45]

lgtm

[arv (Not doing code reviews), 2014-04-14 14:51:15]

LGTM

[raymes, 2014-04-15 03:51:46]

The CQ bit was checked by raymes@chromium.org

[commit-bot: I haz the power, 2014-04-15 03:52:02]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/raymes@chromium.org/236733003/20001

[commit-bot: I haz the power, 2014-04-15 04:37:11]

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

[commit-bot: I haz the power, 2014-04-15 04:37:11]

Retried try job too often on chromium_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

[raymes, 2014-04-15 05:54:23]

The CQ bit was checked by raymes@chromium.org

[commit-bot: I haz the power, 2014-04-15 05:56:29]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/raymes@chromium.org/236733003/40001

[commit-bot: I haz the power, 2014-04-15 14:42:21]

Change committed as 263849