Remove more ScriptState::current in core/

Remove more ScriptState::current in core/

ScriptState::current should be called in the binding layer.

BUG=357144
NOTRY=true

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=175146

[haraken, 2014-05-29 07:53:00]

PTAL

[adamk, 2014-05-29 18:49:22]

lgtm

[haraken, 2014-05-29 23:17:11]

The CQ bit was checked by haraken@chromium.org

[commit-bot: I haz the power, 2014-05-29 23:18:45]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/haraken@chromium.org/303103002/1

[commit-bot: I haz the power, 2014-05-30 01:00:45]

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

[commit-bot: I haz the power, 2014-05-30 15:46:10]

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

[commit-bot: I haz the power, 2014-05-30 15:46:10]

Try jobs failed on following builders:
  mac_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/mac_blink_rel/builds/9636)

[haraken, 2014-05-30 15:47:58]

The CQ bit was checked by haraken@chromium.org

[commit-bot: I haz the power, 2014-05-30 15:48:38]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/haraken@chromium.org/303103002/1

[commit-bot: I haz the power, 2014-05-30 15:49:18]

Change committed as 175146