More switching to standard type traits

third_party/WebKit/Source/platform/heap/GCInfo.h

 // Copyright 2015 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 GCInfo_h
 #define GCInfo_h
 
 #include "platform/heap/Visitor.h"
 #include "wtf/Assertions.h"
 #include "wtf/Atomics.h"
@@ skipping 146 matching lines @@
 // for a given gcInfo.
 template<typename T>
 struct GCInfoAtBaseType {
     static size_t index()
     {
         static_assert(sizeof(T), "T must be fully defined");
         static const GCInfo gcInfo = {
             TraceTrait<T>::trace,
             FinalizerTrait<T>::finalize,
             FinalizerTrait<T>::nonTrivialFinalizer,
-            WTF::IsPolymorphic<T>::value,
+            std::is_polymorphic<T>::value,
 #if ENABLE(DETAILED_MEMORY_INFRA)
             TypenameStringTrait<T>::get
 #endif
         };
 
         static size_t gcInfoIndex = 0;
         ASSERT(s_gcInfoTable);
         if (!acquireLoad(&gcInfoIndex))
             GCInfoTable::ensureGCInfoIndex(&gcInfo, &gcInfoIndex);
         ASSERT(gcInfoIndex >= 1);
@@ skipping 43 matching lines @@
 template<typename T, size_t inlineCapacity>
 struct GCInfoTrait<HeapVector<T, inlineCapacity>> : public GCInfoTrait<Vector<T, inlineCapacity, HeapAllocator>> { };
 template<typename T, size_t inlineCapacity>
 struct GCInfoTrait<HeapDeque<T, inlineCapacity>> : public GCInfoTrait<Deque<T, inlineCapacity, HeapAllocator>> { };
 template<typename T, typename U, typename V>
 struct GCInfoTrait<HeapHashCountedSet<T, U, V>> : public GCInfoTrait<HashCountedSet<T, U, V, HeapAllocator>> { };
 
 } // namespace blink
 
 #endif