Remove base::is_trivially_destructible and use the standard library.

base/template_util_unittest.cc

Index: base/template_util_unittest.cc
diff --git a/base/template_util_unittest.cc b/base/template_util_unittest.cc
index 1c027428dd6d1f011d76b2f56f25634be0365b18..70d28c8e4e2806fdbcb48cc7402ac75ba2c5c117 100644
--- a/base/template_util_unittest.cc
+++ b/base/template_util_unittest.cc
@@ -69,19 +69,5 @@ static_assert(
     internal::SupportsOstreamOperator<const StructWithOperator&>::value,
     "struct with operator<< should be printable by const ref");
 
-struct TriviallyDestructible {
-  int field;
-};
-
-class NonTriviallyDestructible {
-  ~NonTriviallyDestructible() {}
-};
-
-static_assert(is_trivially_destructible<int>::value, "IsTriviallyDestructible");
-static_assert(is_trivially_destructible<TriviallyDestructible>::value,
-              "IsTriviallyDestructible");
-static_assert(!is_trivially_destructible<NonTriviallyDestructible>::value,
-              "IsTriviallyDestructible");
-
 }  // namespace
 }  // namespace base