[benchmark.html] Add a switch to turn on/off data verification

R=yhirano@chromium.org

Review URL: https://codereview.appspot.com/105100045

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@815 4ff78f4a-9131-11de-b045-6380ec9940d4
[benchmark.html] Use bind to build test runner closures.

R=yhirano@chromium.org

Review URL: https://codereview.appspot.com/106180044

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@816 4ff78f4a-9131-11de-b045-6380ec9940d4
[benchmark.html] Recreate data also when size decreases

R=yhirano@chromium.org

Review URL: https://codereview.appspot.com/101520044

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@817 4ff78f4a-9131-11de-b045-6380ec9940d4