Update the tcmalloc vendor branch to r144 (gperftools 2.0).

third_party/tcmalloc/vendor/src/central_freelist.h

 // Copyright (c) 2008, 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 30 matching lines @@
 #include "base/spinlock.h"
 #include "base/thread_annotations.h"
 #include "common.h"
 #include "span.h"
 
 namespace tcmalloc {
 
 // Data kept per size-class in central cache.
 class CentralFreeList {
  public:
+  // A CentralFreeList may be used before its constructor runs.
+  // So we prevent lock_'s constructor from doing anything to the
+  // lock_ state.
+  CentralFreeList() : lock_(base::LINKER_INITIALIZED) { }
+
   void Init(size_t cl);
 
   // These methods all do internal locking.
 
   // Insert the specified range into the central freelist.  N is the number of
   // elements in the range.  RemoveRange() is the opposite operation.
   void InsertRange(void *start, void *end, int N);
 
   // Returns the actual number of fetched elements and sets *start and *end.
   int RemoveRange(void **start, void **end, int N);
@@ skipping 125 matching lines @@
 class CentralFreeListPaddedTo<0> : public CentralFreeList {
 };
 
 class CentralFreeListPadded : public CentralFreeListPaddedTo<
   sizeof(CentralFreeList) % 64> {
 };
 
 }  // namespace tcmalloc
 
 #endif  // TCMALLOC_CENTRAL_FREELIST_H_