Comment #5 on issue 14759 by [email protected]: Regression: new memory leak  
in r18840
http://code.google.com/p/chromium/issues/detail?id=14759

I can't justify the size... but I've seen a crash before when a histogram  
was
initialized on two threads... and there was a race... and one used the  
histogram
before  before the STL map in it was constructed.  I'd assume that if two  
threads
arrived close enough in time, that they could both do the initialization,  
and then
(probably) only one would be retained (and the other would leak some or all  
parts).

The size is indeed especially weird, as this histogram has 100 buckets,  
each of which
is at least 32 bits, or 4 bytes.  Hence I'd expect the total size to be way  
over 400
bytes. (there are also some members, such as the std::string name 50+  
bytes, some
sums and sums of squares, etc.).

With 100 bytes, this sounds like a wild goose chase in this macro :-/.

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