[RPP Performance] Reset the parsedTrace when reset the data provider

Recording after this change: http://b/384469650#attachment61582363

Fixed: 384469650
Change-Id: I462531610ce6836c744b9a473c0dc514fee86e6f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6098009
Auto-Submit: Nancy Li <[email protected]>
Commit-Queue: Andres Olivares <[email protected]>
Reviewed-by: Andres Olivares <[email protected]>
Commit-Queue: Nancy Li <[email protected]>

Author: Nancy Li

front_end/panels/timeline/TimelineFlameChartDataProvider.test.ts

@@ -170,6 +170,7 @@ describeWithEnvironment('TimelineFlameChartDataProvider', function() {
           'https://unpkg.com/[email protected]/umd/react.development.js' as Platform.DevToolsPath.UrlString;
       // Clear the data provider cache and add the React script to the ignore list.
       dataProvider.reset();
+      dataProvider.setModel(parsedTrace);
       ignoreListManager.ignoreListURL(SCRIPT_TO_IGNORE);
 
       const eventCountAfterIgnoreList = dataProvider.timelineData().entryStartTimes.length;
@@ -179,6 +180,7 @@ describeWithEnvironment('TimelineFlameChartDataProvider', function() {
 
       // Clear the data provider cache and unignore the script again
       dataProvider.reset();
+      dataProvider.setModel(parsedTrace);
       ignoreListManager.unIgnoreListURL(SCRIPT_TO_IGNORE);
       // Ensure that now we have un-ignored the URL that we get the full set of events again.
       assert.strictEqual(dataProvider.timelineData().entryStartTimes.length, eventCountBeforeIgnoreList);

front_end/panels/timeline/TimelineFlameChartDataProvider.ts

@@ -515,6 +515,7 @@ export class TimelineFlameChartDataProvider extends Common.ObjectWrapper.ObjectW
       this.compatibilityTracksAppender?.reset();
       this.compatibilityTracksAppender = null;
       this.timelineDataInternal = null;
+      this.parsedTrace = null;
     } else if (!resetCompatibilityTracksAppender && this.timelineDataInternal) {
       this.compatibilityTracksAppender?.setFlameChartDataAndEntryData(
           this.timelineDataInternal, this.entryData, this.entryTypeByLevel);