Check mark bit when verifying heap.

runtime/vm/heap.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_HEAP_H_
 #define VM_HEAP_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/flags.h"
 #include "vm/globals.h"
 #include "vm/pages.h"
 #include "vm/scavenger.h"
 #include "vm/spaces.h"
+#include "vm/verifier.h"
 #include "vm/weak_table.h"
 
 namespace dart {
 
 // Forward declarations.
 class Isolate;
 class ObjectPointerVisitor;
 class ObjectSet;
 class VirtualMemory;
 
@@ skipping 124 matching lines @@
   uword TopAddress(Space space);
   uword EndAddress(Space space);
   Space SpaceForAllocation(intptr_t class_id) const;
 
   // Initialize the heap and register it with the isolate.
   static void Init(Isolate* isolate,
                    intptr_t max_new_gen_words,
                    intptr_t max_old_gen_words);
 
   // Verify that all pointers in the heap point to the heap.
-  bool Verify() const;
+  bool Verify(MarkExpectation mark_expectation = kForbidMarked) const;
 
   // Print heap sizes.
   void PrintSizes() const;
 
   // Return amount of memory used and capacity in a space, excluding external.
   intptr_t UsedInWords(Space space) const;
   intptr_t CapacityInWords(Space space) const;
   intptr_t ExternalInWords(Space space) const;
   // Return the amount of GCing in microseconds.
   int64_t GCTimeInMicros(Space space) const;
 
   intptr_t Collections(Space space) const;
 
-  ObjectSet* CreateAllocatedObjectSet() const;
+  ObjectSet* CreateAllocatedObjectSet(MarkExpectation mark_expectation) const;
 
   static const char* GCReasonToString(GCReason gc_reason);
 
   // Associate a peer with an object.  A non-existent peer is equal to NULL.
   void SetPeer(RawObject* raw_obj, void* peer) {
     SetWeakEntry(raw_obj, kPeers, reinterpret_cast<intptr_t>(peer));
   }
   void* GetPeer(RawObject* raw_obj) const {
     return reinterpret_cast<void*>(GetWeakEntry(raw_obj, kPeers));
   }
@@ skipping 169 matching lines @@
   NoHeapGrowthControlScope();
   ~NoHeapGrowthControlScope();
  private:
   bool current_growth_controller_state_;
   DISALLOW_COPY_AND_ASSIGN(NoHeapGrowthControlScope);
 };
 
 }  // namespace dart
 
 #endif  // VM_HEAP_H_