setDuration 144 Source/core/animation/TimedItemTiming.cpp bool TimedItemTiming::setDuration(String name, double duration) setDuration 390 Source/core/html/shadow/MediaControlElements.cpp void MediaControlTimelineElement::setDuration(double duration) setDuration 172 Source/modules/mediasource/MediaSourceBase.cpp void MediaSourceBase::setDuration(double duration, ExceptionState& exceptionState)