ffmpeg roll for chromium to improve wav duration calculation BUG=68910 TEST=duration warning should not appear
ffmpeg roll for chromium to improve wav duration calculation
BUG=68910
TEST=duration warning should not appear

Review URL: http://codereview.chromium.org/6097011

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@70910 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