Fix typo "ReftPtr"

third_party/WebKit/Source/platform/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,
@@ skipping 26 matching lines @@
 class RefPtr;
 template <typename T>
 class PassRefPtr;
 template <typename T>
 PassRefPtr<T> adoptRef(T*);
 
 inline void adopted(const void*) {}
 
 // requireAdoption() is not overloaded for WTF::RefCounted, which has a built-in
 // assumption that adoption is required. requireAdoption() is for bootstrapping
-// alternate reference count classes that are compatible with ReftPtr/PassRefPtr
+// alternate reference count classes that are compatible with RefPtr/PassRefPtr
 // but cannot have adoption checks enabled by default, such as skia's
 // SkRefCnt. The purpose of requireAdoption() is to enable adoption checks only
 // once it is known that the object will be used with RefPtr/PassRefPtr.
 inline void requireAdoption(const void*) {}
 
 template <typename T>
 ALWAYS_INLINE void refIfNotNull(T* ptr) {
   if (LIKELY(ptr != 0)) {
     requireAdoption(ptr);
     ptr->ref();
@@ skipping 157 matching lines @@
 inline T* getPtr(const PassRefPtr<T>& p) {
   return p.get();
 }
 
 }  // namespace WTF
 
 using WTF::PassRefPtr;
 using WTF::adoptRef;
 
 #endif  // WTF_PassRefPtr_h