#53526 Migrate away from TPromise in Problems panel

src/vs/workbench/parts/markers/electron-browser/markersPanel.ts

@@ -6,7 +6,6 @@
 import 'vs/css!./media/markers';
 
 import { URI } from 'vs/base/common/uri';
-import { TPromise } from 'vs/base/common/winjs.base';
 import * as dom from 'vs/base/browser/dom';
 import { IAction, IActionItem, Action } from 'vs/base/common/actions';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
@@ -202,7 +201,7 @@ export class MarkersPanel extends Panel implements IMarkerFilterController {
 		return false;
 	}
 
-	private refreshPanel(): TPromise<any> {
+	private refreshPanel(): void {
 		if (this.isVisible()) {
 			this.cachedFilterStats = undefined;
 			this.tree.setChildren(null, createModelIterator(this.markersWorkbenchService.markersModel));
@@ -212,7 +211,6 @@ export class MarkersPanel extends Panel implements IMarkerFilterController {
 			this.renderMessage();
 			this._onDidFilter.fire();
 		}
-		return TPromise.as(null);
 	}
 
 	private updateFilter() {

src/vs/workbench/parts/markers/electron-browser/markersPanelActions.ts

@@ -5,7 +5,6 @@
 
 import { Delayer } from 'vs/base/common/async';
 import * as DOM from 'vs/base/browser/dom';
-import { TPromise } from 'vs/base/common/winjs.base';
 import { Action, IAction, IActionChangeEvent } from 'vs/base/common/actions';
 import { HistoryInputBox } from 'vs/base/browser/ui/inputbox/inputBox';
 import { KeyCode } from 'vs/base/common/keyCodes';
@@ -69,7 +68,7 @@ export class ShowProblemsPanelAction extends Action {
 		super(id, label);
 	}
 
-	public run(): TPromise<any> {
+	public run(): Thenable<any> {
 		this.panelService.openPanel(Constants.MARKERS_PANEL_ID, true);
 		return Promise.resolve(null);
 	}
@@ -347,7 +346,7 @@ export class QuickFixAction extends Action {
 			}));
 	}
 
-	public openFileAtMarker(element: Marker): TPromise<void> {
+	public openFileAtMarker(element: Marker): Thenable<void> {
 		const { resource, selection } = { resource: element.resource, selection: element.range };
 		return this.editorService.openEditor({
 			resource,