Chrome Endure Gmail test ComposeDiscardSleep has a new sleeping pattern.
Chrome Endure Gmail test ComposeDiscardSleep has a new sleeping pattern.

Previously, this test would sleep for 30 seconds after *every*
compose/discard iteration.  Now, it performs 500 iterations and then
sleeps for 2 minutes in-between each batch of 500 iterations.

This change was requested as an experiment by the Gmail team.

BUG=None
TEST=Verified the ComposeDiscardSleep test runs on my local machine
with these changes.

Review URL: https://chromiumcodereview.appspot.com/10372002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@135248 0039d316-1c4b-4281-b951-d872f2087c98

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