Fix FindControl.hasFocus()
Fix FindControl.hasFocus()

TBR=dsinclair@chromium.org
BUG=

Review URL: https://codereview.appspot.com/13234046
danbeam/catapult,SummerLW/Perf-Insight-Report,benschmaus/catapult,benschmaus/catapult,catapult-project/catapult-csm,scottmcmaster/catapult,catapult-project/catapult,catapult-project/catapult-csm,sahiljain/catapult,vmpstr/trace-viewer,dstockwell/catapult,danbeam/catapult,0x90sled/catapult,benschmaus/catapult,dstockwell/catapult,sahiljain/catapult,sahiljain/catapult,zeptonaut/catapult,catapult-project/catapult,dstockwell/catapult,sahiljain/catapult,0x90sled/catapult,SummerLW/Perf-Insight-Report,vmpstr/trace-viewer,sahiljain/catapult,modulexcite/catapult,catapult-project/catapult-csm,sahiljain/catapult,danbeam/catapult,zeptonaut/catapult,catapult-project/catapult,catapult-project/catapult-csm,zeptonaut/catapult,catapult-project/catapult,vmpstr/trace-viewer,benschmaus/catapult,modulexcite/catapult,catapult-project/catapult,benschmaus/catapult,catapult-project/catapult,0x90sled/catapult,scottmcmaster/catapult,scottmcmaster/catapult,benschmaus/catapult,SummerLW/Perf-Insight-Report,catapult-project/catapult-csm,SummerLW/Perf-Insight-Report,SummerLW/Perf-Insight-Report,catapult-project/catapult-csm,catapult-project/catapult-csm,danbeam/catapult,modulexcite/catapult,dstockwell/catapult,catapult-project/catapult,SummerLW/Perf-Insight-Report,benschmaus/catapult