Allow the native resolver to setup whether it needs the Dart API scope to

runtime/vm/benchmark_test.cc

Index: runtime/vm/benchmark_test.cc
===================================================================
--- runtime/vm/benchmark_test.cc	(revision 31283)
+++ runtime/vm/benchmark_test.cc	(working copy)
@@ -134,7 +134,11 @@
 }
 
 
-static Dart_NativeFunction bm_uda_lookup(Dart_Handle name, int argument_count) {
+static Dart_NativeFunction bm_uda_lookup(Dart_Handle name,
+                                         int argument_count,
+                                         bool* auto_setup_scope) {
+  ASSERT(auto_setup_scope != NULL);
+  *auto_setup_scope = false;
   const char* cstr = NULL;
   Dart_Handle result = Dart_StringToCString(name, &cstr);
   EXPECT_VALID(result);
@@ -265,7 +269,10 @@
 
 
 static Dart_NativeFunction NativeResolver(Dart_Handle name,
-                                          int arg_count) {
+                                          int arg_count,
+                                          bool* auto_setup_scope) {
+  ASSERT(auto_setup_scope != NULL);
+  *auto_setup_scope = false;
   return &func;
 }
 
@@ -335,7 +342,10 @@
 
 
 static Dart_NativeFunction StackFrameNativeResolver(Dart_Handle name,
-                                                    int arg_count) {
+                                                    int arg_count,
+                                                    bool* auto_setup_scope) {
+  ASSERT(auto_setup_scope != NULL);
+  *auto_setup_scope = false;
   return &StackFrame_accessFrame;
 }