Revert of [test] Refactoring - Let runner handle test IDs.

Revert of [test] Refactoring - Let runner handle test IDs. (patchset #1 id:1 of https://codereview.chromium.org/1168303007/)

Reason for revert:
[Sheriff] Revert until the tree is in a better state.

Original issue's description:
> [test] Refactoring - Let runner handle test IDs.
>
> This prepares for properly rerunning tests. Currently when
> tests are rerun, the same test object is reused. This
> will be changed in a follow up.
>
> Committed: https://crrev.com/f41a81b8a513fc360c500c066b74f223bc9c0223
> Cr-Commit-Position: refs/heads/master@{#28864}

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

Committed: https://crrev.com/f83444a5f24381ec9ccc28b1e18e1e9370415bb2
Cr-Commit-Position: refs/heads/master@{#28891}

[Michael Achenbach, 2015-06-10 06:46:20]

Created Revert of [test] Refactoring - Let runner handle test IDs.

[commit-bot: I haz the power, 2015-06-10 06:46:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1167343003/1

[commit-bot: I haz the power, 2015-06-10 06:46:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-10 06:46:55]

Patchset 1 (id:??) landed as
https://crrev.com/f83444a5f24381ec9ccc28b1e18e1e9370415bb2
Cr-Commit-Position: refs/heads/master@{#28891}

[Michael Achenbach, 2015-06-10 10:14:32]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1179483002/ by machenbach@chromium.org.

The reason for reverting is: All build problems had other reasons..