Temporarily disable swiftshader.

Temporarily disable swiftshader.

We've been getting a bunch of extra gpu-related crashes recently, and while they don't seem to be related to swiftshader (the timing is a bit off) it's possible, so try to rule that out.

BUG=26001
TEST=


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=115534

[apatrick_chromium, 2011-12-21 22:41:36]

lgtm

[commit-bot: I haz the power, 2011-12-21 22:53:12]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jbauman@chromium.org/9021039/1

[commit-bot: I haz the power, 2011-12-22 00:26:53]

Try job failure for 9021039-1 (retry) on linux_rel for step "test_shell_tests".
It's a second try, previously, steps "test_shell_tests, ui_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

[commit-bot: I haz the power, 2011-12-22 00:28:14]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jbauman@chromium.org/9021039/1

[commit-bot: I haz the power, 2011-12-22 14:30:45]

Change committed as 115534