Handlify and convert string.length to new API-style accessor.

src/serialize.cc

Index: src/serialize.cc
diff --git a/src/serialize.cc b/src/serialize.cc
index 4048886fdb76b5a499a4fb83670924fc998c4b2e..ed7f04579d01b5d05ddea758a619fea87573699d 100644
--- a/src/serialize.cc
+++ b/src/serialize.cc
@@ -276,10 +276,21 @@ void ExternalReferenceTable::PopulateTable(Isolate* isolate) {
       ACCESSOR, \
       Accessors::k##name, \
       "Accessors::" #name);
-
   ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION)
 #undef ACCESSOR_DESCRIPTOR_DECLARATION
 
+#define ACCESSOR_INFO_DECLARATION(name) \
+  Add(FUNCTION_ADDR(&Accessors::name##Getter), \
+      ACCESSOR, \
+      Accessors::k##name##Getter, \
+      "Accessors::" #name "Getter"); \
+  Add(FUNCTION_ADDR(&Accessors::name##Setter), \
+      ACCESSOR, \
+      Accessors::k##name##Setter, \
+      "Accessors::" #name "Setter");
+  ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION)
+#undef ACCESSOR_INFO_DECLARATION
+
   StubCache* stub_cache = isolate->stub_cache();
 
   // Stub cache tables