Revert 59421 - GTTF: Increase the timeout for medium tests to one minute.
Revert 59421 - GTTF: Increase the timeout for medium tests to one minute.

Some of our tests are still too slow to fit within the 30s timeout consistently.

TBR=jcivelli

BUG=none
TEST=browser_tests

Review URL: http://codereview.chromium.org/3418005

TBR=phajdan.jr@chromium.org
Review URL: http://codereview.chromium.org/3409003

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@59425 0039d316-1c4b-4281-b951-d872f2087c98

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