Potentially fix the crash reported in Issue 10385

runtime/vm/heap_profiler.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_PROFILER_H_
 #define VM_HEAP_PROFILER_H_
 
 #include <set>
 
 #include "include/dart_api.h"
@@ skipping 248 matching lines @@
 
   // Writes a heap dump record to the output stream.
   void WriteHeapDump();
 
   // Writes a sub-record to the heap dump record.
   void WriteClassDump(const RawClass* raw_class);
   void WriteFakeClassDump(FakeClass fake_class, FakeClass fake_super_class);
   void WriteInstanceDump(const RawObject* raw_obj);
   void WriteSmiInstanceDump(const RawSmi* raw_smi);
   void WriteObjectArrayDump(const RawArray* raw_array);
-  void WritePrimitiveArrayDump(const RawTypedData* raw_byte_array,
-                               uint8_t tag,
-                               const void* data);
+  void WritePrimitiveArrayDump(const RawTypedData* raw_byte_array, uint8_t tag);
 
   static const RawClass* GetClass(const RawObject* raw_obj);
   static const RawClass* GetSuperClass(const RawClass* raw_class);
 
   Dart_FileWriteCallback write_callback_;
 
   void* output_stream_;
 
   Record* heap_dump_record_;
 
@@ skipping 46 matching lines @@
   virtual void VisitObject(RawObject* obj);
 
  private:
   HeapProfiler* profiler_;
   DISALLOW_COPY_AND_ASSIGN(HeapProfilerObjectVisitor);
 };
 
 }  // namespace dart
 
 #endif  // VM_HEAP_PROFILER_H_