Remove FLAKY marker from some Mac plugin tests
Remove FLAKY marker from some Mac plugin tests

Neither of these tests appear to have failed recently on the 10.6 bots.

BUG=42340, 42086
TEST=Tests pass on 10.6 bots.

Review URL: http://codereview.chromium.org/2086016

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@47729 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser