[Clean Skeleton] Fix menu dismiss and positions.

ios/clean/chrome/browser/ui/presenters/menu_presentation_controller.h

Index: ios/clean/chrome/browser/ui/presenters/menu_presentation_controller.h
diff --git a/ios/clean/chrome/browser/ui/presenters/menu_presentation_controller.h b/ios/clean/chrome/browser/ui/presenters/menu_presentation_controller.h
index 402c92a7b8355240c025477b5f15a69f5082e83a..d4d134726b0212c739606c94ddbbc17b1d956100 100644
--- a/ios/clean/chrome/browser/ui/presenters/menu_presentation_controller.h
+++ b/ios/clean/chrome/browser/ui/presenters/menu_presentation_controller.h
@@ -11,14 +11,21 @@
 
 #import <UIKit/UIKit.h>
 
+@protocol ToolbarCommands;
+
 // A presentation controller for presenting a "menu" interface: a (usually)
 // rectangular presentation that covers part of the window, and which doesn't
 // obscure the presenting view. The presenting view remains in the view
-// hierarchy. If the presenting view controller confroms to the
-// MenuPresentationDelegate protocol, that protocol will be used to determine
+// hierarchy.
+// The presented view controller (that is, the view controller that runs the
+// menu) should set the size of its view in -loadView or -viewDidLoad.
+// If the presenting view controller conforms to the MenuPresentationDelegate
+// protocol, that protocol will be used to determine the region the menu
+// appears in; otherwise it will appear in the center of the presenting view
 // the region the menu appears in. Otherwise a default rectangular area is
-// used.
+// controller's view.
 @interface MenuPresentationController : UIPresentationController
+@property(nonatomic, assign) id<ToolbarCommands> toolbarCommandHandler;
 @end
 
 #endif  // IOS_CLEAN_CHROME_BROWSER_UI_PRESENTERS_MENU_PRESENTATION_CONTROLLER_H_