Small optimization to find_unused_resources.py.

NOTRY=true

Review URL: https://codereview.chromium.org/134783002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244388 0039d316-1c4b-4281-b951-d872f2087c98
Don't print messages about unknown WAVE chunks in Android WAV decoder.

After many months, there hasn't been anything bad reported about unknown
WAVE chunks, so disable this message.

BUG=290737

Review URL: https://codereview.chromium.org/131833006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244389 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244388
Update unit info file for perf dashboard.

BUG=

Review URL: https://codereview.chromium.org/130613002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244390 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244390