More switching to standard type traits

third_party/WebKit/Source/wtf/CheckedArithmetic.h

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 141 matching lines @@
     {
         // Signed target with an unsigned source
         if (sizeof(Target) <= sizeof(Source))
             return value <= static_cast<Source>(std::numeric_limits<Target>::max());
         // Target is Wider than Source so we're guaranteed to fit any value in
         // unsigned Source
         return true;
     }
 };
 
-template <typename Target, typename Source, bool CanElide = IsSameType<Target, Source>::value || (sizeof(Target) > sizeof(Source)) > struct BoundsCheckElider;
+template <typename Target, typename Source, bool CanElide = std::is_same<Target, Source>::value || (sizeof(Target) > sizeof(Source)) > struct BoundsCheckElider;
 template <typename Target, typename Source> struct BoundsCheckElider<Target, Source, true> {
     static bool inBounds(Source) { return true; }
 };
 template <typename Target, typename Source> struct BoundsCheckElider<Target, Source, false> : public BoundsChecker<Target, Source> {
 };
 
 template <typename Target, typename Source> static inline bool isInBounds(Source value)
 {
     return BoundsCheckElider<Target, Source>::inBounds(value);
 }
@@ skipping 532 matching lines @@
     return Checked<U, OverflowHandler>(lhs) * rhs;
 }
 
 }
 
 using WTF::Checked;
 using WTF::CheckedState;
 using WTF::RecordOverflow;
 
 #endif