make sure recent list of paths is bounded

src/vs/workbench/electron-main/menus.ts

@@ -37,7 +37,6 @@ export class VSCodeMenu {
 
 	private static lastKnownKeybindingsMapStorageKey = 'lastKnownKeybindings';
 
-	private static MAX_RECENT_ENTRIES = 10;
 	private static AUTO_SAVE_DELAY_DEFAULT = 1000; // in ms
 	private static AUTO_SAVE_DISABLED = -1;
 
@@ -423,7 +422,7 @@ export class VSCodeMenu {
 
 		// Folders
 		recentList.folders.forEach((folder, index) => {
-			if (index < VSCodeMenu.MAX_RECENT_ENTRIES) {
+			if (index < windows.WindowsManager.MAX_RECENT_ENTRIES) {
 				openRecentMenu.append(this.createOpenRecentMenuItem(folder));
 			}
 		});
@@ -435,7 +434,7 @@ export class VSCodeMenu {
 			}
 
 			recentList.files.forEach((file, index) => {
-				if (index < VSCodeMenu.MAX_RECENT_ENTRIES) {
+				if (index < windows.WindowsManager.MAX_RECENT_ENTRIES) {
 					openRecentMenu.append(this.createOpenRecentMenuItem(file));
 				}
 			});

src/vs/workbench/electron-main/windows.ts

@@ -95,8 +95,9 @@ export class WindowsManager {
 	public static autoSaveDelayStorageKey = 'autoSaveDelay';
 	public static openedPathsListStorageKey = 'openedPathsList';
 
-	private static workingDirPickerStorageKey = 'pickerWorkingDir';
+	public static MAX_RECENT_ENTRIES = 10;
 
+	private static workingDirPickerStorageKey = 'pickerWorkingDir';
 	private static windowsStateStorageKey = 'windowsState';
 	private static themeStorageKey = 'theme'; // TODO@Ben this key is only used to find out if a window can be shown instantly because of light theme, remove once we have support for bg color
 
@@ -567,7 +568,8 @@ export class WindowsManager {
 		// Clear those dupes
 		recentPaths = arrays.distinct(recentPaths);
 
-		return recentPaths;
+		// Make sure it is bounded
+		return recentPaths.slice(0, WindowsManager.MAX_RECENT_ENTRIES);
 	}
 
 	private toIPath(anyPath: string, ignoreFileNotFound?: boolean, gotoLineMode?: boolean): window.IPath {