Add a callback to inform embedders when an isolate is being shut down.

vm/dart_api_impl.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 "include/dart_api.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
@@ skipping 594 matching lines @@
   }
   callbacks.Remove(callback);
   return Api::Success(isolate);
 }
 
 
 // --- Initialization and Globals ---
 
 
 DART_EXPORT bool Dart_Initialize(Dart_IsolateCreateCallback create,
-                                 Dart_IsolateInterruptCallback interrupt) {
-  return Dart::InitOnce(create, interrupt);
+                                 Dart_IsolateInterruptCallback interrupt,
+                                 Dart_IsolateShutdownCallback shutdown) {
+  return Dart::InitOnce(create, interrupt, shutdown);
 }
 
 DART_EXPORT bool Dart_SetVMFlags(int argc, const char** argv) {
   return Flags::ProcessCommandLineFlags(argc, argv);
 }
 
 DART_EXPORT bool Dart_IsVMFlagSet(const char* flag_name) {
   if (Flags::Lookup(flag_name) != NULL) {
     return true;
   }
@@ skipping 2686 matching lines @@
       *buffer = NULL;
     }
     delete debug_region;
   } else {
     *buffer = NULL;
     *buffer_size = 0;
   }
 }
 
 }  // namespace dart