[string] Migrate String.prototype.{split,replace} to TF

src/builtins/builtins.h

Index: src/builtins/builtins.h
diff --git a/src/builtins/builtins.h b/src/builtins/builtins.h
index ffaa51aa463786e6e893202990399a92c25babe2..9788936fe99565a9d9563fe694aee4139d56589b 100644
--- a/src/builtins/builtins.h
+++ b/src/builtins/builtins.h
@@ -748,6 +748,10 @@ class Isolate;
   CPP(StringPrototypeLocaleCompare)                                            \
   /* ES6 section 21.1.3.12 String.prototype.normalize ( [form] ) */            \
   CPP(StringPrototypeNormalize)                                                \
+  /* ES6 section 21.1.3.16 String.prototype.replace ( search, replace ) */     \
+  TFJ(StringPrototypeReplace, 2)                                               \
+  /* ES6 section 21.1.3.19 String.prototype.split ( separator, limit )  */     \
+  TFJ(StringPrototypeSplit, 2)                                                 \
   /* ES6 section B.2.3.1 String.prototype.substr ( start, length ) */          \
   TFJ(StringPrototypeSubstr, 2)                                                \
   /* ES6 section 21.1.3.19 String.prototype.substring ( start, end ) */        \