less history work

src/vs/workbench/services/editor/common/editorService.ts

@@ -112,7 +112,6 @@ export interface IWorkbenchEditorService extends IEditorService {
 	 */
 	closeAllEditors(except?: Position): TPromise<void>;
 
-
 	/**
 	 * Resolves an input to its model representation. The optional parameter refresh allows to specify
 	 * if a cached model should be returned (false) or a new version (true). The default is returning a

src/vs/workbench/services/history/browser/history.ts

@@ -300,16 +300,12 @@ export class HistoryService extends BaseHistoryService implements IHistoryServic
 	}
 
 	protected handleEditorSelectionChangeEvent(editor?: IBaseEditor): void {
-		this.handleEditorEvent(editor, true);
+		this.handleEditorEventInStack(editor, true);
 	}
 
 	protected handleActiveEditorChange(editor?: IBaseEditor): void {
-		this.handleEditorEvent(editor, false);
-	}
-
-	private handleEditorEvent(editor: IBaseEditor, storeSelection: boolean): void {
 		this.handleEditorEventInHistory(editor);
-		this.handleEditorEventInStack(editor, storeSelection);
+		this.handleEditorEventInStack(editor, false);
 	}
 
 	private handleEditorEventInHistory(editor?: IBaseEditor): void {