Revert "Remove Script::SetData and the script_data parameter from Script::(Compile|New)."

src/accessors.cc

Index: src/accessors.cc
diff --git a/src/accessors.cc b/src/accessors.cc
index 9bc728d3116f4349dc1fd4bcfb42003aa292d382..47b0a856332e24cec0b4ff7e8ab0666d20ca9dc2 100644
--- a/src/accessors.cc
+++ b/src/accessors.cc
@@ -351,6 +351,26 @@ const AccessorDescriptor Accessors::ScriptColumnOffset = {
 
 
 //
+// Accessors::ScriptData
+//
+
+
+MaybeObject* Accessors::ScriptGetData(Isolate* isolate,
+                                      Object* object,
+                                      void*) {
+  Object* script = JSValue::cast(object)->value();
+  return Script::cast(script)->data();
+}
+
+
+const AccessorDescriptor Accessors::ScriptData = {
+  ScriptGetData,
+  IllegalSetter,
+  0
+};
+
+
+//
 // Accessors::ScriptType
 //