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

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 743d3336881a760894a6fabfe0a0855d86508b93..b5cdc1e5e66fd0aaeddbcbf74f008a2c70696e05 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -927,7 +927,6 @@ Handle<SharedFunctionInfo> Compiler::CompileScript(Handle<String> source,
                                                    Handle<Context> context,
                                                    v8::Extension* extension,
                                                    ScriptDataImpl* pre_data,
-                                                   Handle<Object> script_data,
                                                    NativesFlag natives) {
   Isolate* isolate = source->GetIsolate();
   int source_length = source->length();
@@ -969,9 +968,6 @@ Handle<SharedFunctionInfo> Compiler::CompileScript(Handle<String> source,
     }
     script->set_is_shared_cross_origin(is_shared_cross_origin);
 
-    script->set_data(script_data.is_null() ? isolate->heap()->undefined_value()
-                                           : *script_data);
-
     // Compile the function and add it to the cache.
     CompilationInfoWithZone info(script);
     info.MarkAsGlobal();