[heap] Properly adjust live bytes for pages where we abort evacaution

src/heap/mark-compact.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_MARK_COMPACT_H_
 #define V8_HEAP_MARK_COMPACT_H_
 
 #include "src/base/bits.h"
 #include "src/heap/spaces.h"
 
@@ skipping 712 matching lines @@
 
   void UpdatePointersAfterEvacuation();
 
   // Iterates through all live objects on a page using marking information.
   // Returns whether all objects have successfully been visited.
   bool VisitLiveObjects(MemoryChunk* page, HeapObjectVisitor* visitor,
                         IterationMode mode);
 
   void VisitLiveObjectsBody(Page* page, ObjectVisitor* visitor);
 
+  void RecomputeLiveBytes(MemoryChunk* page);
+
   void SweepAbortedPages();
 
   void ReleaseEvacuationCandidates();
 
   // Moves the pages of the evacuation_candidates_ list to the end of their
   // corresponding space pages list.
   void MoveEvacuationCandidatesToEndOfPagesList();
 
   // Starts sweeping of a space by contributing on the main thread and setting
   // up other pages for sweeping.
@@ skipping 150 matching lines @@
  private:
   MarkCompactCollector* collector_;
 };
 
 
 const char* AllocationSpaceName(AllocationSpace space);
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_MARK_COMPACT_H_