commit 6c0c5b1a4af33c488ace8b19efe987c66990f76d
author dalecurtis@chromium.org <dalecurtis@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> Thu May 16 02:05:03 2013
committer dalecurtis@chromium.org <dalecurtis@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> Thu May 16 02:05:03 2013
tree ce66221b212084e3e75366037a84280ac4e6852a
parent 47cb253f15ca0e9dfcef8dd4b42bb5bc443c522f

Report timing statistics for audio controller methods via UMA.

Logs the time taken to execute the main methods of AudioInputController
and AudioOutputController.  This timing information will be used to
determine if we can combine the audio thread and the UI thread on OSX
to (hopefully) fix http://crbug.com/158170.

BUG=158170
TEST=chrome://histograms/Media.Audio contains information.

Review URL: https://chromiumcodereview.appspot.com/14827002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@200414 0039d316-1c4b-4281-b951-d872f2087c98