Faster request body verification in XHR send handler

This fixes the performance bottleneck of XHR send benchmarking.

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/131350043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@825 4ff78f4a-9131-11de-b045-6380ec9940d4
Faster response body verification in XHR text receive benchmark

This fixes the performance bottleneck of XHR text receive benchmarking.

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/130660043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@826 4ff78f4a-9131-11de-b045-6380ec9940d4