Add "function" as an argument to Dart_ActivationFrameInfo

runtime/vm/debugger_api_impl.cc

Index: runtime/vm/debugger_api_impl.cc
diff --git a/runtime/vm/debugger_api_impl.cc b/runtime/vm/debugger_api_impl.cc
index f9bbe1cf8b40b1791f1bd7a5d63283945a0f0764..fd867d6c03d46795470e6367f6f4afb26ac80323 100644
--- a/runtime/vm/debugger_api_impl.cc
+++ b/runtime/vm/debugger_api_impl.cc
@@ -229,6 +229,7 @@ DART_EXPORT Dart_Handle Dart_GetStackTrace(Dart_StackTrace* trace) {
 DART_EXPORT Dart_Handle Dart_ActivationFrameInfo(
                             Dart_ActivationFrame activation_frame,
                             Dart_Handle* function_name,
+                            Dart_Handle* function,
                             Dart_Handle* script_url,
                             intptr_t* line_number,
                             intptr_t* library_id) {
@@ -238,6 +239,9 @@ DART_EXPORT Dart_Handle Dart_ActivationFrameInfo(
   if (function_name != NULL) {
     *function_name = Api::NewHandle(isolate, frame->QualifiedFunctionName());
   }
+  if (function != NULL) {
+    *function = Api::NewHandle(isolate, frame->function().raw());
+  }
   if (script_url != NULL) {
     *script_url = Api::NewHandle(isolate, frame->SourceUrl());
   }