Reenable passing test SettingsWebUITest.SetBooleanPrefTriggers. BUG=77764 TEST=repeated runs on try bots.  Passing for the past two days on Win, Mac, and Linux. TBR=jam Review URL: http://codereview.chromium.org/6735073
Reenable passing test SettingsWebUITest.SetBooleanPrefTriggers.
BUG=77764
TEST=repeated runs on try bots.  Passing for the past two days on Win, Mac, and Linux.
TBR=jam
Review URL: http://codereview.chromium.org/6735073

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@80544 0039d316-1c4b-4281-b951-d872f2087c98

yitian134/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,ropik/chromium,adobe/chromium,ropik/chromium,adobe/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,adobe/chromium