dropTraceLog      119 Source/core/inspector/InjectedScriptCanvasModule.cpp void InjectedScriptCanvasModule::dropTraceLog(ErrorString* errorString, const TraceLogId& traceLogId)
dropTraceLog      115 Source/core/inspector/InspectorCanvasAgent.cpp void InspectorCanvasAgent::dropTraceLog(ErrorString* errorString, const TraceLogId& traceLogId)