Uploaded the following images:
  muted: webkit\glue\resources\media_sound_none.png
  not muted: webkit\glue\resources\media_sound_full.png
  play: webkit\glue\resources\media_play.png
  pause: webkit\glue\resources\media_pause.png

Review URL: http://codereview.chromium.org/113668

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16541 0039d316-1c4b-4281-b951-d872f2087c98