Added support for isolate unhandled exceptions.

runtime/vm/object_store.h

 // 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.
 
 #ifndef VM_OBJECT_STORE_H_
 #define VM_OBJECT_STORE_H_
 
 #include "vm/object.h"
 
 namespace dart {
@@ skipping 403 matching lines @@
     pending_classes_ = value.raw();
   }
 
   RawError* sticky_error() const { return sticky_error_; }
   void set_sticky_error(const Error& value) {
     ASSERT(!value.IsNull());
     sticky_error_ = value.raw();
   }
   void clear_sticky_error() { sticky_error_ = Error::null(); }
 
+  RawInstance* unhandled_exception_closure() const {
+    return unhandled_exception_closure_;
+  }
+  void set_unhandled_exception_closure(const Instance& value) {
+    ASSERT(!value.IsNull());
+    unhandled_exception_closure_ = value.raw();
+  }
+
   RawBool* true_value() const { return true_value_; }
   void set_true_value(const Bool& value) { true_value_ = value.raw(); }
 
   RawBool* false_value() const { return false_value_; }
   void set_false_value(const Bool& value) { false_value_ = value.raw(); }
 
   RawContext* empty_context() const { return empty_context_; }
   void set_empty_context(const Context& value) {
     empty_context_ = value.raw();
   }
@@ skipping 91 matching lines @@
   RawLibrary* math_library_;
   RawLibrary* isolate_library_;
   RawLibrary* mirrors_library_;
   RawLibrary* scalarlist_library_;
   RawLibrary* native_wrappers_library_;
   RawLibrary* builtin_library_;
   RawLibrary* root_library_;
   RawGrowableObjectArray* libraries_;
   RawGrowableObjectArray* pending_classes_;
   RawError* sticky_error_;
+  RawInstance* unhandled_exception_closure_;
   RawContext* empty_context_;
   RawInstance* stack_overflow_;
   RawInstance* out_of_memory_;
   RawArray* keyword_symbols_;
   RawObject** to() { return reinterpret_cast<RawObject**>(&keyword_symbols_); }
 
   friend class SnapshotReader;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectStore);
 };
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_STORE_H_