Switch to std::is_fundamental<>.

Thanks for pointing this out to me!

R=clemensh@chromium.org
BUG=v8:5731

Review-Url: https://codereview.chromium.org/2565743002
Cr-Commit-Position: refs/heads/master@{#41620}

src/base/macros.h

@@ -282,23 +282,4 @@ inline T RoundUp(T x, intptr_t m) {
   return RoundDown<T>(static_cast<T>(x + m - 1), m);
 }
 
-
-namespace v8 {
-namespace base {
-
-// TODO(yangguo): This is a poor man's replacement for std::is_fundamental,
-// which requires C++11. Switch to std::is_fundamental once possible.
-template <typename T>
-inline bool is_fundamental() {
-  return false;
-}
-
-template <>
-inline bool is_fundamental<uint8_t>() {
-  return true;
-}
-
-}  // namespace base
-}  // namespace v8
-
 #endif   // V8_BASE_MACROS_H_

src/list-inl.h

@@ -34,7 +34,7 @@ template<typename T, class P>
 void List<T, P>::AddAll(const Vector<T>& other, P alloc) {
   int result_length = length_ + other.length();
   if (capacity_ < result_length) Resize(result_length, alloc);
-  if (base::is_fundamental<T>()) {
+  if (std::is_fundamental<T>()) {
     memcpy(data_ + length_, other.start(), sizeof(*data_) * other.length());
   } else {
     for (int i = 0; i < other.length(); i++) data_[length_ + i] = other.at(i);