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

runtime/bin/builtin_natives.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 
 #include "include/dart_api.h"
 
@@ skipping 67 matching lines @@
   int argument_count_;
 } BuiltinEntries[] = {
   BUILTIN_NATIVE_LIST(REGISTER_FUNCTION)
 };
 
 
 /**
  * Looks up native functions in both libdart_builtin and libdart_io.
  */
 Dart_NativeFunction Builtin::NativeLookup(Dart_Handle name,
-                                          int argument_count) {
+                                          int argument_count,
+                                          bool* auto_setup_scope) {
   const char* function_name = NULL;
   Dart_Handle result = Dart_StringToCString(name, &function_name);
   DART_CHECK_VALID(result);
   ASSERT(function_name != NULL);
+  ASSERT(auto_setup_scope != NULL);
+  *auto_setup_scope = true;
   int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
   for (int i = 0; i < num_entries; i++) {
     struct NativeEntries* entry = &(BuiltinEntries[i]);
     if (!strcmp(function_name, entry->name_) &&
         (entry->argument_count_ == argument_count)) {
       return reinterpret_cast<Dart_NativeFunction>(entry->function_);
     }
   }
-  return IONativeLookup(name, argument_count);
+  return IONativeLookup(name, argument_count, auto_setup_scope);
 }
 
 
 // Implementation of native functions which are used for some
 // test/debug functionality in standalone dart mode.
 void FUNCTION_NAME(Logger_PrintString)(Dart_NativeArguments args) {
   intptr_t length = 0;
   uint8_t* chars = NULL;
   Dart_Handle str = Dart_GetNativeArgument(args, 0);
   Dart_Handle result = Dart_StringToUTF8(str, &chars, &length);
   if (Dart_IsError(result)) {
     // TODO(turnidge): Consider propagating some errors here.  What if
     // an isolate gets interrupted by the embedder in the middle of
     // Dart_StringToUTF8?  We need to make sure not to swallow the
     // interrupt.
     Platform::PrintBlocking(stdout, "%s\n", Dart_GetError(result));
   } else {
     Platform::PrintBlocking(stdout, "%.*s\n", static_cast<int>(length), chars);
   }
 }
 
 }  // namespace bin
 }  // namespace dart