Changed PassRefPtr templated copy constructor to move constructor.

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 56 matching lines @@
 template <typename T>
 class PassRefPtr {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
  public:
   PassRefPtr() : ptr_(nullptr) {}
   PassRefPtr(std::nullptr_t) : ptr_(nullptr) {}
   PassRefPtr(T* ptr) : ptr_(ptr) { RefIfNotNull(ptr); }
   PassRefPtr(PassRefPtr&& o) : ptr_(o.LeakRef()) {}
   template <typename U>
-  PassRefPtr(const PassRefPtr<U>& o, EnsurePtrConvertibleArgDecl(U, T))
+  PassRefPtr(PassRefPtr<U>&& o, EnsurePtrConvertibleArgDecl(U, T))
       : ptr_(o.LeakRef()) {}
 
   ALWAYS_INLINE ~PassRefPtr() { DerefIfNotNull(ptr_); }
 
   template <typename U>
   PassRefPtr(const RefPtr<U>&, EnsurePtrConvertibleArgDecl(U, T));
   template <typename U>
   PassRefPtr(RefPtr<U>&&, EnsurePtrConvertibleArgDecl(U, T));
 
   T* Get() const { return ptr_; }
@@ skipping 127 matching lines @@
 inline T* GetPtr(const PassRefPtr<T>& p) {
   return p.Get();
 }
 
 }  // namespace WTF
 
 using WTF::PassRefPtr;
 using WTF::AdoptRef;
 
 #endif  // WTF_PassRefPtr_h