onRasterTaskBegin  380 Source/core/inspector/InspectorTimelineAgent.cpp         dispatcher->addListener(InstrumentationEvents::RasterTask, TRACE_EVENT_PHASE_BEGIN, this, &InspectorTimelineAgent::onRasterTaskBegin, m_client);
onRasterTaskBegin  245 Source/core/inspector/InspectorTimelineAgent.h     void onRasterTaskBegin(const TraceEventDispatcher::TraceEvent&);