[runtime] Migrate several Date builtins to C++.

src/builtins.h

Index: src/builtins.h
diff --git a/src/builtins.h b/src/builtins.h
index 9620b020009164e153ac99fc8694a721e8532f67..cfd496d4cbd2234a22acdc79f2e2abd1a0503ea3 100644
--- a/src/builtins.h
+++ b/src/builtins.h
@@ -69,7 +69,14 @@ inline bool operator&(BuiltinExtraArguments lhs, BuiltinExtraArguments rhs) {
   V(ArrayBufferConstructor_ConstructStub, kTargetAndNewTarget) \
   V(ArrayBufferIsView, kNone)                                  \
                                                                \
-  V(DateToPrimitive, kNone)                                    \
+  V(DateConstructor, kNone)                                    \
+  V(DateConstructor_ConstructStub, kTargetAndNewTarget)        \
+  V(DateNow, kNone)                                            \
+  V(DateParse, kNone)                                          \
+  V(DateUTC, kNone)                                            \
+  V(DatePrototypeToISOString, kNone)                           \
+  V(DatePrototypeToPrimitive, kNone)                           \
+  V(DatePrototypeValueOf, kNone)                               \
                                                                \
   V(FunctionConstructor, kTargetAndNewTarget)                  \
   V(FunctionPrototypeBind, kNone)                              \