Fixes a test expectation broken by r199077

It passed on my local machine, but failed on buildbots, possibly because the new expectation (height 800px) is too high under the buildbot environment. Decreasing.

TBR=stevenjb@chromium.org

Review URL: https://codereview.chromium.org/14629016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@199090 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed