Enable to run the bench multiple times and display stddev.

Also added 'batch' button that runs send and receive benchmarks.

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/133510044

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@830 4ff78f4a-9131-11de-b045-6380ec9940d4
Exclude ArrayBuffer creation from the reported time

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/138060043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@831 4ff78f4a-9131-11de-b045-6380ec9940d4
Ported parameter setting UI from benchmark.html to xhr_benchmark.html

Enable to run the bench multiple times and display stddev.
Added 'batch' button that runs send and receive benchmarks.
Support turning off data verification.

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/137980043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@832 4ff78f4a-9131-11de-b045-6380ec9940d4
Refactor variable initialization of |benchmark|

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/134420043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@833 4ff78f4a-9131-11de-b045-6380ec9940d4
Output error message when FileReader for a blob fails

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/141010043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@834 4ff78f4a-9131-11de-b045-6380ec9940d4
Move totalSize and totalReplied declarations inside functions

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/141020043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@835 4ff78f4a-9131-11de-b045-6380ec9940d4
Exclude ArrayBuffer creation from the reported time in XHR benchmark

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/140230043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@836 4ff78f4a-9131-11de-b045-6380ec9940d4
Replace variable name |runner| with |task|

R=tyoshino@chromium.org

Review URL: https://codereview.appspot.com/133550043

git-svn-id: http://pywebsocket.googlecode.com/svn/trunk@837 4ff78f4a-9131-11de-b045-6380ec9940d4