Update range errors to agree on the numbers.

runtime/vm/exceptions.cc

Index: runtime/vm/exceptions.cc
diff --git a/runtime/vm/exceptions.cc b/runtime/vm/exceptions.cc
index de44cf021f1bcb8fe8d957f462ee08b3ac0d7075..9f99503e8b2b3730c09659c46880b8cde39b5ca3 100644
--- a/runtime/vm/exceptions.cc
+++ b/runtime/vm/exceptions.cc
@@ -571,7 +571,7 @@ void Exceptions::ThrowRangeError(const char* argument_name,
   args.SetAt(1, Integer::Handle(Integer::New(expected_from)));
   args.SetAt(2, Integer::Handle(Integer::New(expected_to)));
   args.SetAt(3, String::Handle(String::New(argument_name)));
-  Exceptions::ThrowByType(Exceptions::kRangeRange, args);
+  Exceptions::ThrowByType(Exceptions::kRange, args);
 }
 
 
@@ -588,10 +588,6 @@ RawObject* Exceptions::Create(ExceptionType type, const Array& arguments) {
     case kRange:
       library = Library::CoreLibrary();
       class_name = &Symbols::RangeError();
-      break;
-    case kRangeRange:
-      library = Library::CoreLibrary();
-      class_name = &Symbols::RangeError();
       constructor_name = &Symbols::DotRange();
       break;
     case kArgument: