[interpreter, debugger] abstraction for source position calculation.

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 0aac6989ca3a2327ef025c8ce2083639fa69e32c..225513fb926256dd25957079d5b64739c75cf2eb 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -1141,7 +1141,7 @@ void DebugInfo::DebugInfoPrint(std::ostream& os) {  // NOLINT
 
 void BreakPointInfo::BreakPointInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "BreakPointInfo");
-  os << "\n - code_position: " << code_position();
+  os << "\n - code_offset: " << code_offset();
   os << "\n - source_position: " << source_position();
   os << "\n - statement_position: " << statement_position();
   os << "\n - break_point_objects: " << Brief(break_point_objects());