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

views/controls/menu/menu_item_view.h

Index: views/controls/menu/menu_item_view.h
===================================================================
--- views/controls/menu/menu_item_view.h	(revision 54553)
+++ views/controls/menu/menu_item_view.h	(working copy)
@@ -6,6 +6,8 @@
 #define VIEWS_CONTROLS_MENU_MENU_ITEM_VIEW_H_
 #pragma once
 
+#include <string>
+
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ -54,6 +56,9 @@
  public:
   friend class MenuController;
 
+  // The menu item view's class name.
+  static const char kViewClassName[];
+
   // ID used to identify menu items.
   static const int kMenuItemViewID;
 
@@ -265,6 +270,8 @@
   // Creates a MenuItemView. This is used by the various AddXXX methods.
   MenuItemView(MenuItemView* parent, int command, Type type);
 
+  virtual std::string GetClassName() const;
+
  private:
   // Calculates all sizes that we can from the OS.
   //