Revert of Wrap runtime.js in a function.

Revert of Wrap runtime.js in a function. (patchset #2 id:20001 of https://codereview.chromium.org/1126213002/)

Reason for revert:
[Sheriff] Breaks nosnap:
http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20nosnap/builds/2872

Original issue's description:
> Wrap runtime.js in a function.
>
> R=jkummerow@chromium.org
>
> Committed: https://crrev.com/65c56d49b2d671ac9e379de726bff3eb03a508c1
> Cr-Commit-Position: refs/heads/master@{#28275}

TBR=jkummerow@chromium.org,yangguo@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/62bd294f909ff448d0f876a3d745966a24cdc3f7
Cr-Commit-Position: refs/heads/master@{#28277}

[Michael Achenbach, 2015-05-06 20:02:21]

Created Revert of Wrap runtime.js in a function.

[commit-bot: I haz the power, 2015-05-06 20:02:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1123353004/1

[commit-bot: I haz the power, 2015-05-06 20:03:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-06 20:03:29]

Patchset 1 (id:??) landed as
https://crrev.com/62bd294f909ff448d0f876a3d745966a24cdc3f7
Cr-Commit-Position: refs/heads/master@{#28277}

[Yang, 2015-05-07 08:39:15]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1131843002/ by yangguo@chromium.org.

The reason for reverting is: Failing test has been fixed..