Add checks to runtime functions.

src/runtime.h

Index: src/runtime.h
diff --git a/src/runtime.h b/src/runtime.h
index 3fa5ea14093df4012610dcaea1a8778075bb5489..da60ee10b725269410099a49f4df2f81391cd528 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -325,6 +325,7 @@ namespace internal {
   F(Throw, 1, 1) \
   F(ReThrow, 1, 1) \
   F(ThrowReferenceError, 1, 1) \
+  F(ThrowNotDateError, 0, 1) \
   F(StackGuard, 0, 1) \
   F(Interrupt, 0, 1) \
   F(PromoteScheduledException, 0, 1) \
@@ -647,13 +648,6 @@ class Runtime : public AllStatic {
   // Get the intrinsic function with the given FunctionId.
   static const Function* FunctionForId(FunctionId id);
 
-  static Handle<String> StringReplaceOneCharWithString(Isolate* isolate,
-                                                       Handle<String> subject,
-                                                       Handle<String> search,
-                                                       Handle<String> replace,
-                                                       bool* found,
-                                                       int recursion_limit);
-
   // General-purpose helper functions for runtime system.
   static int StringMatch(Isolate* isolate,
                          Handle<String> sub,