s/ passed(...) / WTF::passed(...) / to avoid future ambiguity w/ base::Passed.

third_party/WebKit/Source/wtf/PtrUtil.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PtrUtil_h
 #define PtrUtil_h
 
 #include "base/memory/ptr_util.h"
 #include "wtf/TypeTraits.h"
 
@@ skipping 30 matching lines @@
 template <typename T>
 auto makeUnique(size_t size) -> decltype(base::MakeUnique<T>(size)) {
   static_assert(
       !WTF::IsGarbageCollectedType<T>::value,
       "Garbage collected types should not be stored in std::unique_ptr!");
   return base::MakeUnique<T>(size);
 }
 
 }  // namespace WTF
 
-using WTF::makeUnique;
-using WTF::wrapUnique;
 using WTF::wrapArrayUnique;
 
 #endif  // PtrUtil_h