Do all OOLing in the views code. linux_views now builds clean with the clang plugin.

views/controls/menu/menu_item_view.h

Index: views/controls/menu/menu_item_view.h
diff --git a/views/controls/menu/menu_item_view.h b/views/controls/menu/menu_item_view.h
index 5b5e09cdc9d6b93589b628b67328edea01c01606..c02834661837c99a7892c09c5decd95fb08fead8 100644
--- a/views/controls/menu/menu_item_view.h
+++ b/views/controls/menu/menu_item_view.h
@@ -199,10 +199,10 @@ class MenuItemView : public View {
   virtual SubmenuView* CreateSubmenu();
 
   // Returns true if this menu item has a submenu.
-  virtual bool HasSubmenu() const { return (submenu_ != NULL); }
+  virtual bool HasSubmenu() const;
 
   // Returns the view containing child menu items.
-  virtual SubmenuView* GetSubmenu() const { return submenu_; }
+  virtual SubmenuView* GetSubmenu() const;
 
   // Returns the parent menu item.
   MenuItemView* GetParentMenuItem() const { return parent_menu_item_; }