34   const selection = globals.state.currentSelection;  constant
36     if (selection && selection.kind === 'AREA') {
38     } else if (selection) {
169   const selection = globals.state.currentSelection;  constant
172   if (selection !== null) {
173     if (selection.kind === 'SLICE' || selection.kind === 'CHROME_SLICE') {
182     } else if (selection.kind === 'THREAD_STATE') {
188     } else if (selection.kind === 'COUNTER') {
189       startTs = selection.leftTs;
190       endTs = selection.rightTs;
210   const selection = globals.state.currentSelection;  constant
211   if (selection === null) return;
218   if (selection.trackId) {
219     verticalScrollToTrack(selection.trackId, true);