Remove check from SharedStyleFinder::canShareStyleWithElement

Remove check from SharedStyleFinder::canShareStyleWithElement

Since we know both elements have the same tag name at this
point, they also should return the same for isFormControlElement.
So weaken the check to an ASSERT.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=178834

[rwlbuis, 2014-07-23 21:36:35]

PTAL.

[esprehn, 2014-07-23 22:46:33]

lgtm

[commit-bot: I haz the power, 2014-07-23 22:47:43]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rob.buis@samsung.com/418573003/1

[commit-bot: I haz the power, 2014-07-24 04:48:32]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  mac_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/mac_blink_rel/builds/16819)
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/18606)

[commit-bot: I haz the power, 2014-07-24 04:56:15]

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

[commit-bot: I haz the power, 2014-07-24 04:56:15]

Try jobs failed on following builders:
  mac_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/mac_blink_rel/builds/16844)

[rwlbuis, 2014-07-24 10:17:51]

The CQ bit was checked by rob.buis@samsung.com

[commit-bot: I haz the power, 2014-07-24 10:18:37]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rob.buis@samsung.com/418573003/1

[commit-bot: I haz the power, 2014-07-24 11:03:31]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/18705)

[commit-bot: I haz the power, 2014-07-24 11:54:22]

Change committed as 178834