Allows turning on checked mode on a per-isolate basis

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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 "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
@@ skipping 1366 matching lines @@
   profiler_data->Unblock();
 }
 
 
 DART_EXPORT void Dart_ExitIsolate() {
   CHECK_ISOLATE(Isolate::Current());
   Isolate::SetCurrent(NULL);
 }
 
 
+DART_EXPORT void Dart_IsolateSetCheckedMode(bool value) {
+  CHECK_ISOLATE(Isolate::Current());
+  Isolate::Current()->set_checked_mode(value);
+}
+
+
 static uint8_t* ApiReallocate(uint8_t* ptr,
                               intptr_t old_size,
                               intptr_t new_size) {
   return Api::TopScope(Isolate::Current())->zone()->Realloc<uint8_t>(
       ptr, old_size, new_size);
 }
 
 
 DART_EXPORT Dart_Handle Dart_CreateSnapshot(uint8_t** buffer,
                                             intptr_t* size) {
@@ skipping 4032 matching lines @@
 
 
 DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
     const char* name,
     Dart_ServiceRequestCallback callback,
     void* user_data) {
   Service::RegisterRootEmbedderCallback(name, callback, user_data);
 }
 
 }  // namespace dart