Revert of permissions: add layout tests for multiple requests

Revert of permissions: add layout tests for multiple requests (patchset #2 id:20001 of https://codereview.chromium.org/1381023003/ )

Reason for revert:
BUG=538717
Original issue's description:
> permissions: add layout tests for multiple requests
>
> No permisisons, single, multiple and duplicate permissions
> are all tested. Permission updates being reflected in the request
> is also tested.
>
> BUG=516626
>
> Committed: https://crrev.com/4a5a84a2a326cecc6d183478ca684aea753adc18
> Cr-Commit-Position: refs/heads/master@{#352015}

TBR=mlamouri@chromium.org,lalitm@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=516626
Committed: https://crrev.com/0adc11742287c2af556837823aebccd8c2961bc4
Cr-Commit-Position: refs/heads/master@{#352115}

[dmurph, 2015-10-02 20:25:10]

Created Revert of permissions: add layout tests for multiple requests

[commit-bot: I haz the power, 2015-10-02 20:25:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1376523006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1376523006/1

[dmurph, 2015-10-02 20:28:35]

The CQ bit was unchecked by dmurph@chromium.org

[commit-bot: I haz the power, 2015-10-02 20:29:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-02 20:30:55]

Patchset 1 (id:??) landed as
https://crrev.com/0adc11742287c2af556837823aebccd8c2961bc4
Cr-Commit-Position: refs/heads/master@{#352115}

[mlamouri (slow - plz ping), 2015-10-03 14:51:27]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1384163002/ by mlamouri@chromium.org.

The reason for reverting is: Relanding and disabling the test on Win 7 in order
to have tests and investigate the problem..