code polish

src/vs/workbench/parts/markers/browser/markersTreeController.ts

@@ -46,7 +46,7 @@ export class Controller extends treedefaults.DefaultController {
 		return false;
 	}
 
-	private openFileAtElement(element: any, preserveFocus: boolean, sideByside: boolean, pinned: boolean) {
+	private openFileAtElement(element: any, preserveFocus: boolean, sideByside: boolean, pinned: boolean): boolean {
 		if (element instanceof Marker) {
 			this.telemetryService.publicLog('problems.marker.opened', {source: element.source});
 			let marker = <IMarker>element.marker;

src/vs/workbench/parts/search/browser/searchViewlet.ts

@@ -921,7 +921,7 @@ export class SearchViewlet extends Viewlet {
 	private openReplacePreviewEditor(element: FileMatchOrMatch, preserveFocus?: boolean, sideBySide?: boolean, pinned?: boolean): TPromise<any> {
 		this.telemetryService.publicLog('replace.open.previewEditor');
 		return this.replaceService.getInput(element instanceof Match ? element.parent() : element, this.viewModel.replaceText).then((editorInput) => {
-			this.editorService.openEditor(editorInput, {preserveFocus: preserveFocus, pinned: pinned}).then((editor) => {
+			this.editorService.openEditor(editorInput, {preserveFocus: preserveFocus, pinned}).then((editor) => {
 				let editorControl= (<IDiffEditor>editor.getControl());
 				if (element instanceof Match) {
 					editorControl.revealLineInCenter(element.range().startLineNumber);