Add view class names to some classes used in the Wrench menu.

views/controls/menu/menu_item_view.cc

Index: views/controls/menu/menu_item_view.cc
===================================================================
--- views/controls/menu/menu_item_view.cc	(revision 54553)
+++ views/controls/menu/menu_item_view.cc	(working copy)
@@ -65,6 +65,9 @@
 // static
 int MenuItemView::pref_menu_height_;
 
+// static
+const char MenuItemView::kViewClassName[] = "views/MenuItemView";
+
 MenuItemView::MenuItemView(MenuDelegate* delegate)
     : delegate_(delegate),
       controller_(NULL),
@@ -400,6 +403,10 @@
   Init(parent, command, type, NULL);
 }
 
+std::string MenuItemView::GetClassName() const {
+  return kViewClassName;
+}
+
 // Calculates all sizes that we can from the OS.
 //
 // This is invoked prior to Running a menu.