Remove unused FS callback partial specializations.

Source/modules/filesystem/DOMFileSystem.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 55 matching lines @@
 
     // ActiveDOMObject overrides.
     virtual bool hasPendingActivity() const override;
 
     void createWriter(const FileEntry*, FileWriterCallback*, ErrorCallback*);
     void createFile(const FileEntry*, FileCallback*, ErrorCallback*);
 
     // Schedule a callback. This should not cross threads (should be called on the same context thread).
     // FIXME: move this to a more generic place.
     template <typename CB, typename CBArg>
-    static void scheduleCallback(ExecutionContext*, CB*, PassRefPtrWillBeRawPtr<CBArg>);
-
-    template <typename CB, typename CBArg>
     static void scheduleCallback(ExecutionContext*, CB*, CBArg*);
 
     template <typename CB, typename CBArg>
     static void scheduleCallback(ExecutionContext*, CB*, const HeapVector<CBArg>&);
 
     template <typename CB, typename CBArg>
     static void scheduleCallback(ExecutionContext*, CB*, const CBArg&);
 
     template <typename CB, typename CBArg>
     static void scheduleCallback(ExecutionContext*, CB*, const Member<CBArg>&);
 
     template <typename CB>
     static void scheduleCallback(ExecutionContext*, CB*);
 
     template <typename CB, typename CBArg>
-    void scheduleCallback(CB* callback, PassRefPtrWillBeRawPtr<CBArg> callbackArg)
-    {
-        scheduleCallback(executionContext(), callback, callbackArg);
-    }
-
-    template <typename CB, typename CBArg>
     void scheduleCallback(CB* callback, CBArg* callbackArg)
     {
         scheduleCallback(executionContext(), callback, callbackArg);
     }
 
     template <typename CB, typename CBArg>
     void scheduleCallback(CB* callback, const CBArg& callbackArg)
     {
         scheduleCallback(executionContext(), callback, callbackArg);
     }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     DOMFileSystem(ExecutionContext*, const String& name, FileSystemType, const KURL& rootURL);
 
     class DispatchCallbackTaskBase : public ExecutionContextTask {
     public:
         virtual String taskNameForInstrumentation() const override
         {
             return "FileSystem";
         }
     };
 
-    // A helper template to schedule a callback task.
-    template <typename CB, typename CBArg>
-    class DispatchCallbackRefPtrArgTask final : public DispatchCallbackTaskBase {
-    public:
-        DispatchCallbackRefPtrArgTask(CB* callback, PassRefPtrWillBeRawPtr<CBArg> arg)
-            : m_callback(callback)
-            , m_callbackArg(arg)
-        {
-        }
-
-        virtual void performTask(ExecutionContext*) override
-        {
-            m_callback->handleEvent(m_callbackArg.get());
-        }
-
-    private:
-        Persistent<CB> m_callback;
-        RefPtrWillBePersistent<CBArg> m_callbackArg;
-    };
-
     template <typename CB, typename CBArg>
     class DispatchCallbackPtrArgTask final : public DispatchCallbackTaskBase {
     public:
         DispatchCallbackPtrArgTask(CB* callback, CBArg* arg)
             : m_callback(callback)
             , m_callbackArg(arg)
         {
         }
 
         virtual void performTask(ExecutionContext*) override
@@ skipping 40 matching lines @@
 
     private:
         Persistent<CB> m_callback;
     };
 
     int m_numberOfPendingCallbacks;
     Member<DirectoryEntry> m_rootEntry;
 };
 
 template <typename CB, typename CBArg>
-void DOMFileSystem::scheduleCallback(ExecutionContext* executionContext, CB* callback, PassRefPtrWillBeRawPtr<CBArg> arg)
-{
-    ASSERT(executionContext->isContextThread());
-    if (callback)
-        executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackRefPtrArgTask<CB, CBArg>(callback, arg)));
-}
-
-template <typename CB, typename CBArg>
 void DOMFileSystem::scheduleCallback(ExecutionContext* executionContext, CB* callback, CBArg* arg)
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
         executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackPtrArgTask<CB, CBArg>(callback, arg)));
 }
 
 template <typename CB, typename CBArg>
 void DOMFileSystem::scheduleCallback(ExecutionContext* executionContext, CB* callback, const HeapVector<CBArg>& arg)
 {
@@ skipping 22 matching lines @@
 void DOMFileSystem::scheduleCallback(ExecutionContext* executionContext, CB* callback)
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
         executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackNoArgTask<CB>(callback)));
 }
 
 } // namespace blink
 
 #endif // DOMFileSystem_h