- Represent strings internally in UTF-16 format, this makes it

runtime/vm/object_store.h

Index: runtime/vm/object_store.h
===================================================================
--- runtime/vm/object_store.h	(revision 14314)
+++ runtime/vm/object_store.h	(working copy)
@@ -117,11 +117,6 @@
     two_byte_string_class_ = value.raw();
   }
 
-  RawClass* four_byte_string_class() const { return four_byte_string_class_; }
-  void set_four_byte_string_class(const Class& value) {
-    four_byte_string_class_ = value.raw();
-  }
-
   RawClass* external_one_byte_string_class() const {
     return external_one_byte_string_class_;
   }
@@ -136,13 +131,6 @@
     external_two_byte_string_class_ = value.raw();
   }
 
-  RawClass* external_four_byte_string_class() const {
-    return external_four_byte_string_class_;
-  }
-  void set_external_four_byte_string_class(const Class& value) {
-    external_four_byte_string_class_ = value.raw();
-  }
-
   RawType* bool_type() const { return bool_type_; }
   void set_bool_type(const Type& value) { bool_type_ = value.raw(); }
 
@@ -494,10 +482,8 @@
   RawType* string_interface_;
   RawClass* one_byte_string_class_;
   RawClass* two_byte_string_class_;
-  RawClass* four_byte_string_class_;
   RawClass* external_one_byte_string_class_;
   RawClass* external_two_byte_string_class_;
-  RawClass* external_four_byte_string_class_;
   RawType* bool_type_;
   RawClass* bool_class_;
   RawType* list_interface_;