[inspector] cache stack frame for call sites

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index df119795418b345ec375ba15e71dad5d32d5d9c1..91110ed98fd3dc5b8bc419fde7ec04a0aeff8ed1 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -2620,6 +2620,21 @@ Handle<StackFrameInfo> Factory::NewStackFrameInfo() {
   return stack_frame_info;
 }
 
+Handle<SourcePositionTableWithFrameCache>
+Factory::NewSourcePositionTableWithFrameCache(
+    Handle<ByteArray> source_position_table,
+    Handle<UnseededNumberDictionary> stack_frame_cache) {
+  Handle<SourcePositionTableWithFrameCache>
+      source_position_table_with_frame_cache =
+          Handle<SourcePositionTableWithFrameCache>::cast(
+              NewStruct(TUPLE2_TYPE));
+  source_position_table_with_frame_cache->set_source_position_table(
+      *source_position_table);
+  source_position_table_with_frame_cache->set_stack_frame_cache(
+      *stack_frame_cache);
+  return source_position_table_with_frame_cache;
+}
+
 Handle<JSObject> Factory::NewArgumentsObject(Handle<JSFunction> callee,
                                              int length) {
   bool strict_mode_callee = is_strict(callee->shared()->language_mode()) ||