Pass in the isolate parameter to the weak persistent callback handler so that

runtime/vm/isolate.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 "vm/isolate.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "lib/mirrors.h"
@@ skipping 707 matching lines @@
   for (int i = 0; i < invoked_functions.length(); i++) {
     OS::Print("%10" Pd " x %s\n",
         invoked_functions[i]->usage_counter(),
         invoked_functions[i]->ToFullyQualifiedCString());
   }
 }
 
 
 class FinalizeWeakPersistentHandlesVisitor : public HandleVisitor {
  public:
-  FinalizeWeakPersistentHandlesVisitor() {
+  FinalizeWeakPersistentHandlesVisitor() : HandleVisitor(Isolate::Current()) {
   }
 
   void VisitHandle(uword addr, bool is_prologue_weak) {
     FinalizablePersistentHandle* handle =
         reinterpret_cast<FinalizablePersistentHandle*>(addr);
-    FinalizablePersistentHandle::Finalize(handle, is_prologue_weak);
+    FinalizablePersistentHandle::Finalize(isolate(), handle, is_prologue_weak);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FinalizeWeakPersistentHandlesVisitor);
 };
 
 
 void Isolate::Shutdown() {
   ASSERT(this == Isolate::Current());
   ASSERT(top_resource() == NULL);
@@ skipping 335 matching lines @@
   return func.raw();
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(isolate());
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart