Revert of Preprocess structured stack trace on GC to get rid of code reference.

Revert of Preprocess structured stack trace on GC to get rid of code reference. (patchset #5 id:80001 of https://codereview.chromium.org/1103843002/)

Reason for revert:
Broke GCStress

Original issue's description:
> Preprocess structured stack trace on GC to get rid of code reference.
>
> R=verwaest@chromium.org
> BUG=v8:2340
> LOG=N
>
> Committed: https://crrev.com/462ffa1dfa0ab3a851ea0294470d1ed7ed12dd56
> Cr-Commit-Position: refs/heads/master@{#28085}

TBR=verwaest@chromium.org,ulan@chromium.org,hpayer@chromium.org,yurys@chromium.org,yangguo@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:2340
Committed: https://crrev.com/919c54910f70696d9cef5fd0f6e50be8205ae4d0
Cr-Commit-Position: refs/heads/master@{#28086}

[Dmitry Lomov (no reviews), 2015-04-27 15:53:22]

Created Revert of Preprocess structured stack trace on GC to get rid of code
reference.

[commit-bot: I haz the power, 2015-04-27 15:53:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1102383002/1

[commit-bot: I haz the power, 2015-04-27 15:53:51]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-27 15:54:03]

Patchset 1 (id:??) landed as
https://crrev.com/919c54910f70696d9cef5fd0f6e50be8205ae4d0
Cr-Commit-Position: refs/heads/master@{#28086}

[Yang, 2015-04-27 16:06:30]

On 2015/04/27 15:54:03, I haz the power (commit-bot) wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/919c54910f70696d9cef5fd0f6e50be8205ae4d0
> Cr-Commit-Position: refs/heads/master@{#28086}

Thank you for the revert.