Fix histogram to actually be uploaded to UMA. R=mmenke Review URL: https://chromiumcodereview.appspot.com/9810021
Fix histogram to actually be uploaded to UMA.
R=mmenke
Review URL: https://chromiumcodereview.appspot.com/9810021

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@128046 0039d316-1c4b-4281-b951-d872f2087c98

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