Remove the use of histogram in AudioMessageFilter
Remove the use of histogram in AudioMessageFilter

BUG=NONE
TEST=NONE

We don't need to measure latency in AudioMessageFilter
any more, so removing the use of histogram in it.

Review URL: http://codereview.chromium.org/274044

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@28984 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser