Tests the data of page load and web vitals trace events Recording started Tracing complete Got SetLayerTreeId event: Object: { args: { data: { frame: string layerTreeId: number } } cat: string name: string ph: string pid: number s: string tid: number ts: number } Got BeginFrame event: Object: { args: { frameSeqId: number layerTreeId: number } cat: string name: string ph: string pid: number s: string tid: number ts: number } Got DrawFrame event: Object: { args: { frameSeqId: number layerTreeId: number } cat: string name: string ph: string pid: number s: string tid: number ts: number } Got ActivateLayerTree event: Object: { args: { frameId: number layerTreeId: number } cat: string name: string ph: string pid: number s: string tid: number ts: number } Got NeedsBeginFrameChanged event: Object: { args: { data: { needsBeginFrame: number } layerTreeId: number } cat: string name: string ph: string pid: number s: string tid: number ts: number } Got BeginMainThreadFrame event: Object: { args: { data: { frameId: number } layerTreeId: number } cat: string name: string ph: string pid: number s: string tid: number ts: number } Got Paint event: Object: { args: { data: { clip: [ number, number, number, number, number, number, number, number, ] frame: string layerId: number nodeId: number nodeName: string } } cat: string dur: number name: string ph: string pid: number tid: number ts: number } Got Commit event: Object: { args: { frameSeqId: number layerTreeId: number } cat: string dur: number name: string ph: string pid: number tid: number ts: number } All screenshots have image data.