findExistingMarkStartTime 145 Source/core/timing/PerformanceUserTiming.cpp startTime = findExistingMarkStartTime(startMark, exceptionState); findExistingMarkStartTime 149 Source/core/timing/PerformanceUserTiming.cpp endTime = findExistingMarkStartTime(endMark, exceptionState); findExistingMarkStartTime 152 Source/core/timing/PerformanceUserTiming.cpp startTime = findExistingMarkStartTime(startMark, exceptionState); findExistingMarkStartTime 71 Source/core/timing/PerformanceUserTiming.h double findExistingMarkStartTime(const String& markName, ExceptionState&);