Revert of [builtins] Refactor the remaining Date builtins.

src/crankshaft/hydrogen.cc

Index: src/crankshaft/hydrogen.cc
diff --git a/src/crankshaft/hydrogen.cc b/src/crankshaft/hydrogen.cc
index f74b18297d5eb9f5ed14e505be2752d0d1020bad..2bf85f87c2a04592828fbff1f3068582266ed442 100644
--- a/src/crankshaft/hydrogen.cc
+++ b/src/crankshaft/hydrogen.cc
@@ -12463,6 +12463,25 @@
 }
 
 
+void HOptimizedGraphBuilder::GenerateThrowNotDateError(CallRuntime* call) {
+  DCHECK_EQ(0, call->arguments()->length());
+  Add<HDeoptimize>(Deoptimizer::kNotADateObject, Deoptimizer::EAGER);
+  Add<HSimulate>(call->id(), FIXED_SIMULATE);
+  return ast_context()->ReturnValue(graph()->GetConstantUndefined());
+}
+
+
+void HOptimizedGraphBuilder::GenerateDateField(CallRuntime* call) {
+  DCHECK(call->arguments()->length() == 2);
+  DCHECK_NOT_NULL(call->arguments()->at(1)->AsLiteral());
+  Smi* index = Smi::cast(*(call->arguments()->at(1)->AsLiteral()->value()));
+  CHECK_ALIVE(VisitForValue(call->arguments()->at(0)));
+  HValue* date = Pop();
+  HDateField* result = New<HDateField>(date, index);
+  return ast_context()->ReturnInstruction(result, call->id());
+}
+
+
 void HOptimizedGraphBuilder::GenerateOneByteSeqStringSetChar(
     CallRuntime* call) {
   DCHECK(call->arguments()->length() == 3);