Revert of [json] support replacer function in BasicJsonStringifier.

src/json-stringifier.h

Index: src/json-stringifier.h
diff --git a/src/json-stringifier.h b/src/json-stringifier.h
index 5ce8f50cb1b565fa554a6d185d6316923edc22e0..ffde4dca6b10d8df1116373e66ad62edcd59100e 100644
--- a/src/json-stringifier.h
+++ b/src/json-stringifier.h
@@ -11,15 +11,18 @@
 namespace v8 {
 namespace internal {
 
-class JsonStringifier BASE_EMBEDDED {
+class BasicJsonStringifier BASE_EMBEDDED {
  public:
-  explicit JsonStringifier(Isolate* isolate);
+  explicit BasicJsonStringifier(Isolate* isolate);
 
-  ~JsonStringifier() { DeleteArray(gap_); }
+  ~BasicJsonStringifier() { DeleteArray(gap_); }
 
   MUST_USE_RESULT MaybeHandle<Object> Stringify(Handle<Object> object,
                                                 Handle<Object> replacer,
                                                 Handle<Object> gap);
+
+  MUST_USE_RESULT static MaybeHandle<Object> StringifyString(
+      Isolate* isolate, Handle<String> object);
 
  private:
   enum Result { UNCHANGED, SUCCESS, EXCEPTION };
@@ -30,8 +33,6 @@
   MUST_USE_RESULT MaybeHandle<Object> ApplyToJsonFunction(
       Handle<Object> object,
       Handle<Object> key);
-  MUST_USE_RESULT MaybeHandle<Object> ApplyReplacerFunction(
-      Handle<Object> object, Handle<Object> key);
 
   // Entry point to serialize the object.
   INLINE(Result SerializeObject(Handle<Object> obj)) {
@@ -99,8 +100,6 @@
   INLINE(void Unindent() { indent_--; });
   INLINE(void Separator(bool first));
 
-  Handle<JSReceiver> CurrentHolder(Handle<Object> value);
-
   Result StackPush(Handle<Object> object);
   void StackPop();
 
@@ -111,7 +110,6 @@
   Handle<String> tojson_string_;
   Handle<JSArray> stack_;
   Handle<FixedArray> property_list_;
-  Handle<JSReceiver> replacer_function_;
   uc16* gap_;
   int indent_;