onBeginImplSideFrame  377 Source/core/inspector/InspectorTimelineAgent.cpp         dispatcher->addListener(InstrumentationEvents::BeginFrame, TRACE_EVENT_PHASE_INSTANT, this, &InspectorTimelineAgent::onBeginImplSideFrame, m_client);
onBeginImplSideFrame  242 Source/core/inspector/InspectorTimelineAgent.h     void onBeginImplSideFrame(const TraceEventDispatcher::TraceEvent&);