$ ./tools/resources/optimize-png-files.sh -o2 -r224739 chrome/browser/resources/
Processed 20 files (out of 432 files) in 00:52:13s
Result : 26157 => 21638 bytes (4519 bytes : 17 %)

BUG=313729
TBR=xiyuan@chromium.org

Review URL: https://codereview.chromium.org/57643008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232846 0039d316-1c4b-4281-b951-d872f2087c98