Use the new callback tracker and delete the old one

webkit/plugins/ppapi/ppb_flash_menu_impl.cc

Index: webkit/plugins/ppapi/ppb_flash_menu_impl.cc
diff --git a/webkit/plugins/ppapi/ppb_flash_menu_impl.cc b/webkit/plugins/ppapi/ppb_flash_menu_impl.cc
index 895aa4d958d09132b17f0ee45d3480a8b2d1bac1..35e6329602fdeee38af37c361740d4dadbacee27 100644
--- a/webkit/plugins/ppapi/ppb_flash_menu_impl.cc
+++ b/webkit/plugins/ppapi/ppb_flash_menu_impl.cc
@@ -14,7 +14,8 @@
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 #include "webkit/plugins/ppapi/resource_helper.h"
 
-using ::ppapi::thunk::PPB_Flash_Menu_API;
+using ppapi::thunk::PPB_Flash_Menu_API;
+using ppapi::TrackedCallback;
 
 namespace webkit {
 namespace ppapi {
@@ -149,9 +150,7 @@ int32_t PPB_Flash_Menu_Impl::Show(const PP_Point* location,
       plugin_instance, this, gfx::Point(location->x, location->y));
   if (rv == PP_OK_COMPLETIONPENDING) {
     // Record callback and output buffers.
-    callback_ = new TrackedCompletionCallback(
-        plugin_instance->module()->GetCallbackTracker(),
-        pp_resource(), callback);
+    callback_ = new TrackedCallback(this, callback);
     selected_id_out_ = selected_id_out;
   } else {
     // This should never be completed synchronously successfully.
@@ -182,11 +181,8 @@ void PPB_Flash_Menu_Impl::CompleteShow(int32_t result,
     }
   }
 
-  scoped_refptr<TrackedCompletionCallback> callback;
-  callback.swap(callback_);
   selected_id_out_ = NULL;
-
-  callback->Run(rv);  // Will complete abortively if necessary.
+  TrackedCallback::ClearAndRun(&callback_, rv);
 }
 
 }  // namespace ppapi