Remove WTF::static_pointer_cast functions.

third_party/WebKit/Source/wtf/PassRefPtr.h

 /*
  *  Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 184 matching lines @@
 {
     return b.get();
 }
 
 template <typename T> PassRefPtr<T> adoptRef(T* p)
 {
     adopted(p);
     return PassRefPtr<T>(p, PassRefPtr<T>::AdoptRef);
 }
 
-template <typename T, typename U> inline PassRefPtr<T> static_pointer_cast(const PassRefPtr<U>& p)
-{
-    return adoptRef(static_cast<T*>(p.leakRef()));
-}
-
 template <typename T> inline T* getPtr(const PassRefPtr<T>& p)
 {
     return p.get();
 }
 
 } // namespace WTF
 
 using WTF::PassRefPtr;
 using WTF::adoptRef;
-using WTF::static_pointer_cast;
 
 #endif // WTF_PassRefPtr_h