Histograms tracking index writing on SimpleCache.
commitb5cf1d7532c472a8fddf7cef3d6446c7f42d46b6
authorgavinp@chromium.org <gavinp@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Fri, 10 May 2013 07:44:22 +0000 (10 07:44 +0000)
committergavinp@chromium.org <gavinp@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Fri, 10 May 2013 07:44:22 +0000 (10 07:44 +0000)
treedde76ca5b4cfed625d46f5c9c563c724df9e115f
parent9950d30500c78e006e75366031d4a96dc7184a13
Histograms tracking index writing on SimpleCache.

We're planning on having a background/foreground distinction on index
writes, and we want to propogate that distinction to the histograms as
it's a key input to figuring out how to keep the simple index fresh.

R=pasko,isherman@chromium.org,rkaplow
BUG=233536

Review URL: https://chromiumcodereview.appspot.com/14792003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@199415 0039d316-1c4b-4281-b951-d872f2087c98
net/disk_cache/simple/simple_index.cc
net/disk_cache/simple/simple_index.h
tools/metrics/histograms/histograms.xml