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

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 1ecacd8d16d72e03366651def33d20ff31d94649..c3545efbd6c22faf1d8f00b3e425b02742ef6603 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6511,9 +6511,6 @@ class Script: public Struct {
   // extracted.
   DECL_ACCESSORS(column_offset, Smi)
 
-  // [data]: additional data associated with this script.
-  DECL_ACCESSORS(data, Object)
-
   // [context_data]: context data for the context this script was compiled in.
   DECL_ACCESSORS(context_data, Object)
 
@@ -6567,8 +6564,7 @@ class Script: public Struct {
   static const int kNameOffset = kSourceOffset + kPointerSize;
   static const int kLineOffsetOffset = kNameOffset + kPointerSize;
   static const int kColumnOffsetOffset = kLineOffsetOffset + kPointerSize;
-  static const int kDataOffset = kColumnOffsetOffset + kPointerSize;
-  static const int kContextOffset = kDataOffset + kPointerSize;
+  static const int kContextOffset = kColumnOffsetOffset + kPointerSize;
   static const int kWrapperOffset = kContextOffset + kPointerSize;
   static const int kTypeOffset = kWrapperOffset + kPointerSize;
   static const int kLineEndsOffset = kTypeOffset + kPointerSize;