Remove frameID hack for history.

Remove frameID hack for history.

This isn't needed anymore since history is maintained by the embedder.

BUG=none
R=japhet@chromium.org

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=174712

[Nate Chapin, 2014-05-23 17:04:51]

LGTM, thanks.

[dcheng, 2014-05-23 17:22:51]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2014-05-23 17:23:43]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/dcheng@chromium.org/296893009/1

[commit-bot: I haz the power, 2014-05-23 18:44:03]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/8946)

[commit-bot: I haz the power, 2014-05-23 20:02:33]

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

[commit-bot: I haz the power, 2014-05-23 20:02:34]

Try jobs failed on following builders:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/8967)

[dcheng, 2014-05-23 21:18:23]

Committed patchset #1 manually as r174712 (presubmit successful).