Make all the files mapped in when running interactive_ui_tests read only.

Make all the files mapped in when running interactive_ui_tests read only.

This means no file can be opened for write during the test run.

R=csharp@chromium.org
NOTRY=true
BUG=116251
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=251205

[M-A Ruel, 2014-02-13 17:48:15]

Ran:
git cl try -b linux_rel:interactive_ui_tests -b mac_rel:interactive_ui_tests -b
win_rel:interactive_ui_tests
git cl try -b linux_rel:interactive_ui_tests_swarm -b
mac_rel:interactive_ui_tests_swarm -b win_rel:interactive_ui_tests_swarm

Will only CQ if all 9 try jobs were green.

[M-A Ruel, 2014-02-13 19:03:51]

On 2014/02/13 17:48:15, M-A Ruel wrote:
> Ran:
> git cl try -b linux_rel:interactive_ui_tests -b mac_rel:interactive_ui_tests
-b
> win_rel:interactive_ui_tests
> git cl try -b linux_rel:interactive_ui_tests_swarm -b
> mac_rel:interactive_ui_tests_swarm -b win_rel:interactive_ui_tests_swarm
> 
> Will only CQ if all 9 try jobs were green.

They all passed! There's a win_rel that failed but it was due to a broken bot
that wasn't able to sync. I retried this one and it passed.

[csharp, 2014-02-13 22:06:53]

lgtm

[M-A Ruel, 2014-02-14 00:22:31]

The CQ bit was checked by maruel@chromium.org

[commit-bot: I haz the power, 2014-02-14 00:25:05]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/maruel@chromium.org/163553007/40001

[commit-bot: I haz the power, 2014-02-14 00:30:53]

Change committed as 251205