- Add an isolate field to visitors.

runtime/vm/verifier.h

 // Copyright (c) 2011, 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_VERIFIER_H_
 #define VM_VERIFIER_H_
 
 #include "vm/flags.h"
 #include "vm/globals.h"
 #include "vm/handles.h"
@@ skipping 11 matching lines @@
 
 
 // Forward declarations.
 class Isolate;
 class RawObject;
 
 // A sample object pointer visitor implementation which verifies that
 // the pointers visited are contained in the isolate heap.
 class VerifyPointersVisitor : public ObjectPointerVisitor {
  public:
-  explicit VerifyPointersVisitor(Isolate* isolate) : isolate_(isolate) {}
+  explicit VerifyPointersVisitor(Isolate* isolate)
+      : ObjectPointerVisitor(isolate) {
+  }
 
   virtual void VisitPointers(RawObject** first, RawObject** last);
 
   static void VerifyPointers();
 
  private:
-  Isolate* isolate_;
-
   DISALLOW_COPY_AND_ASSIGN(VerifyPointersVisitor);
 };
 
 class VerifyWeakPointersVisitor : public HandleVisitor {
  public:
   explicit VerifyWeakPointersVisitor(VerifyPointersVisitor* visitor)
       : visitor_(visitor) {
   }
 
   virtual void VisitHandle(uword addr);
 
  private:
   ObjectPointerVisitor* visitor_;
 
   DISALLOW_COPY_AND_ASSIGN(VerifyWeakPointersVisitor);
 };
 
 }  // namespace dart
 
 #endif  // VM_VERIFIER_H_