[builtins] Refactor the remaining Date builtins.

test/cctest/test-date.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 148 matching lines @@
     CheckDST(TimeFromYearMonthDay(date_cache, year, 5, 5));
   }
   CheckDST((august_20 + september_10) / 2);
   CheckDST(september_10);
   CheckDST(september_10 + 2 * 3600);
   CheckDST(september_10 + 2 * 3600 - 1000);
   CheckDST(august_20 + 2 * 3600);
   CheckDST(august_20 + 2 * 3600 - 1000);
   CheckDST(august_20);
 }
-
-
-TEST(DateCacheVersion) {
-  FLAG_allow_natives_syntax = true;
-  v8::Isolate* isolate = CcTest::isolate();
-  v8::Isolate::Scope isolate_scope(isolate);
-  v8::HandleScope scope(isolate);
-  v8::Local<v8::Context> context = v8::Context::New(isolate);
-  v8::Context::Scope context_scope(context);
-  v8::Local<v8::Array> date_cache_version =
-      v8::Local<v8::Array>::Cast(CompileRun("%DateCacheVersion()"));
-
-  CHECK_EQ(1, static_cast<int32_t>(date_cache_version->Length()));
-  CHECK(date_cache_version->Get(context, 0).ToLocalChecked()->IsNumber());
-  CHECK_EQ(0.0, date_cache_version->Get(context, 0)
-                    .ToLocalChecked()
-                    ->NumberValue(context)
-                    .FromJust());
-
-  v8::Date::DateTimeConfigurationChangeNotification(isolate);
-
-  CHECK_EQ(1, static_cast<int32_t>(date_cache_version->Length()));
-  CHECK(date_cache_version->Get(context, 0).ToLocalChecked()->IsNumber());
-  CHECK_EQ(1.0, date_cache_version->Get(context, 0)
-                    .ToLocalChecked()
-                    ->NumberValue(context)
-                    .FromJust());
-}