Oilpan: chrome://tracing info wrong

Source/platform/heap/ThreadState.cpp

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 616 matching lines @@
         json->endDictionary();                                            \
     }
     json->beginArray("heaps");
     SNAPSHOT_HEAP(General);
     FOR_EACH_TYPED_HEAP(SNAPSHOT_HEAP);
     json->endArray();
 #undef SNAPSHOT_HEAP
 
     json->setInteger("allocatedSpace", m_stats.totalAllocatedSpace());
     json->setInteger("objectSpace", m_stats.totalObjectSpace());
-    json->setInteger("pageCount", info.freeSize);
+    json->setInteger("pageCount", info.pageCount);
     json->setInteger("freeSize", info.freeSize);
 
     Vector<String> classNameVector(info.classTags.size());
     for (HashMap<const GCInfo*, size_t>::iterator it = info.classTags.begin(); it != info.classTags.end(); ++it)
         classNameVector[it->value] = it->key->m_className;
 
     size_t liveSize = 0;
     size_t deadSize = 0;
     json->beginArray("classes");
     for (size_t i = 0; i < classNameVector.size(); ++i) {
@@ skipping 545 matching lines @@
             return gcInfo;
         }
     }
     if (needLockForIteration)
         threadAttachMutex().unlock();
     return 0;
 }
 #endif
 
 }