New hit rate by size histograms.

R=rvargas@chromium.org
BUG=None


Review URL: https://chromiumcodereview.appspot.com/10911040

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@155458 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed