Customized font value slider to listen for both input and change event

Customized font value slider to listen for both input and change event

Input type range should listen for both input and change event. Updated
code to listen for both input and change event for standard and minimum
font type.

R=bartfab, jhawkins, tkent
BUG=351222
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=256404

[Habib Virji, 2014-03-11 10:19:33]

Slider thumb change (https://codereview.chromium.org/125973004/) result in
listening for both change and input event. Font setting was missing input
listener. 

No test since :
https://code.google.com/p/chromium/codesearch#chromium/src/chrome/test/data/e...,
does not test slider change value.

[bartfab (slow), 2014-03-11 13:41:07]

lgtm

[Habib Virji, 2014-03-11 13:42:07]

The CQ bit was checked by habib.virji@samsung.com

[commit-bot: I haz the power, 2014-03-11 13:42:16]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/habib.virji@samsung.com/194833002/1

[commit-bot: I haz the power, 2014-03-11 14:04:32]

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

[commit-bot: I haz the power, 2014-03-11 14:04:33]

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

[Dan Beam, 2014-03-11 20:53:38]

lgtm

[Habib Virji, 2014-03-11 21:00:57]

The CQ bit was checked by habib.virji@samsung.com

[commit-bot: I haz the power, 2014-03-11 21:56:40]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/habib.virji@samsung.com/194833002/1

[commit-bot: I haz the power, 2014-03-12 02:17:45]

Change committed as 256404