allow contributing a web menu entry

src/vs/base/browser/ui/menu/menubar.ts

@@ -21,6 +21,7 @@ import { asArray } from 'vs/base/common/arrays';
 import { ScanCodeUtils, ScanCode } from 'vs/base/common/scanCode';
 import { isMacintosh } from 'vs/base/common/platform';
 import { StandardMouseEvent } from 'vs/base/browser/mouseEvent';
+import { Separator } from 'vs/base/browser/ui/actionbar/actionbar';
 
 const $ = DOM.$;
 
@@ -90,7 +91,7 @@ export class MenuBar extends Disposable {
 	private menuStyle: IMenuStyles | undefined;
 	private overflowLayoutScheduled: IDisposable | undefined = undefined;
 
-	constructor(private container: HTMLElement, private options: IMenuBarOptions = {}) {
+	constructor(private container: HTMLElement, private options: IMenuBarOptions = {}, private compactMenuActions?: IAction[]) {
 		super();
 
 		this.container.setAttribute('role', 'menubar');
@@ -490,6 +491,11 @@ export class MenuBar extends Disposable {
 				this.container.insertBefore(this.overflowMenu.buttonElement, this.menuCache[this.numMenusShown].buttonElement);
 				this.overflowMenu.buttonElement.style.visibility = 'visible';
 			}
+
+			if (this.compactMenuActions && this.compactMenuActions.length) {
+				this.overflowMenu.actions.push(new Separator());
+				this.overflowMenu.actions.push(...this.compactMenuActions);
+			}
 		} else {
 			DOM.removeNode(this.overflowMenu.buttonElement);
 			this.container.appendChild(this.overflowMenu.buttonElement);

src/vs/platform/actions/common/actions.ts

@@ -121,6 +121,7 @@ export class MenuId {
 	static readonly TimelineTitle = new MenuId('TimelineTitle');
 	static readonly TimelineTitleContext = new MenuId('TimelineTitleContext');
 	static readonly AccountsContext = new MenuId('AccountsContext');
+	static readonly WebMenuActions = new MenuId('MenubarWebMenu');
 
 	readonly id: number;
 	readonly _debugName: string;

src/vs/workbench/browser/parts/titlebar/menubarControl.ts

@@ -509,6 +509,16 @@ export class CustomMenubarControl extends MenubarControl {
 		}
 
 		if (firstTime) {
+			const webActions = [];
+			const webMenu = this.menuService.createMenu(MenuId.WebMenuActions, this.contextKeyService);
+			for (const groups of webMenu.getActions()) {
+				const [, actions] = groups;
+				for (const action of actions) {
+					action.label = mnemonicMenuLabel(this.calculateActionLabel(action));
+					webActions.push(action);
+				}
+			}
+
 			this.menubar = this._register(new MenuBar(
 				this.container, {
 				enableMnemonics: this.currentEnableMenuBarMnemonics,
@@ -516,7 +526,7 @@ export class CustomMenubarControl extends MenubarControl {
 				visibility: this.currentMenubarVisibility,
 				getKeybinding: (action) => this.keybindingService.lookupKeybinding(action.id),
 				compactMode: this.currentCompactMenuMode
-			}));
+			}, webActions.length > 0 ? webActions : undefined));
 
 			this.accessibilityService.alwaysUnderlineAccessKeys().then(val => {
 				this.alwaysOnMnemonics = val;