Set unswept free bytes for concurent sweeper.

src/sweeper-thread.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 44 matching lines @@
     sweeping_pending_ = sweeping_pending;
   }
 
   ~SweeperThread() {
     delete start_sweeping_semaphore_;
     delete end_sweeping_semaphore_;
     delete stop_semaphore_;
   }
 
  private:
+  intptr_t StealMemory(PagedSpace* space, FreeList* free_list);

[Michael Starzinger, 2013/02/28 13:09:52]

This declaration is obsolete after addressing the comment in the
sweeper-thread.cc file.

[Hannes Payer (out of office), 2013/02/28 14:42:34]

Done.

+
   Isolate* isolate_;
   Heap* heap_;
   MarkCompactCollector* collector_;
   Semaphore* start_sweeping_semaphore_;
   Semaphore* end_sweeping_semaphore_;
   Semaphore* stop_semaphore_;
   FreeList free_list_old_data_space_;
   FreeList free_list_old_pointer_space_;
   FreeList private_free_list_old_data_space_;
   FreeList private_free_list_old_pointer_space_;
   volatile AtomicWord stop_thread_;
   static bool sweeping_pending_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SWEEPER_THREAD_H_