GTTF: Do not use the in-process timeout in browser_tests.

Now it's even longer than the out-of-process test timeout,
which means it should never be hit.

The out-of-process test timeout is much more reliable,
and the in-process one is confusing.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3579007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61646 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed