Clean up the WrenchMenuModel so that it uses SimpleMenu::Delegate.

chrome/test/menu_model_test.h

Index: chrome/test/menu_model_test.h
diff --git a/chrome/test/menu_model_test.h b/chrome/test/menu_model_test.h
index a87993b4d180bba382b7c00dbc61bfc7f2ce5d3a..92c390ce7b8603ccc5541285b1b1411206e0c119 100644
--- a/chrome/test/menu_model_test.h
+++ b/chrome/test/menu_model_test.h
@@ -6,6 +6,7 @@
 #define CHROME_TEST_MENU_MODEL_TEST_H_
 #pragma once
 
+#include "app/menus/accelerator.h"
 #include "app/menus/simple_menu_model.h"
 
 // A mix-in class to be used in addition to something that derrives from
@@ -18,7 +19,8 @@ class MenuModelTest {
  protected:
   // A menu delegate that counts the number of times certain things are called
   // to make sure things are hooked up properly.
-  class Delegate : public menus::SimpleMenuModel::Delegate {
+  class Delegate : public menus::SimpleMenuModel::Delegate,
+                   public menus::AcceleratorProvider {
    public:
     Delegate() : execute_count_(0), enable_count_(0) { }