Optimize png files in content/

./tools/resources/optimize-png-files.sh -o2 -r10000 content/renderer/resources/ content/shell/resources/ content/public/android/
content/shell/resources/textAreaResizeCorner.png : 195 => 92 (103 bytes : 52 %)
Processed 16 files (out of 16 files) in 00:10:59s
Result : 57362 => 41571 bytes (15791 bytes : 27 %)

BUG=313729
TBR=bulach@chromium.org, jochen@chromium.org

Review URL: https://codereview.chromium.org/57383011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232871 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232871