vm-service: Add optional 'scope' parameter to 'evaluate' and 'evaluateInFrame'.

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 a49cc93c2b69fa2d397663a5284ca9e0d841550e..c95094df8ac3a754e3c3e4ea911ecb516e7510d0 100644
--- a/runtime/vm/debugger_api_impl.cc
+++ b/runtime/vm/debugger_api_impl.cc
@@ -565,7 +565,11 @@ Dart_ActivationFrameEvaluate(Dart_ActivationFrame activation_frame,
   CHECK_DEBUGGER(T->isolate());
   CHECK_AND_CAST(ActivationFrame, frame, activation_frame);
   UNWRAP_AND_CHECK_PARAM(String, expr, expr_in);
-  return Api::NewHandle(T, frame->Evaluate(expr));
+  const GrowableObjectArray& names =
+      GrowableObjectArray::Handle(GrowableObjectArray::New());
+  const GrowableObjectArray& values =
+      GrowableObjectArray::Handle(GrowableObjectArray::New());
+  return Api::NewHandle(T, frame->Evaluate(expr, names, values));
 }