b=966322 remove unnecessary webaudio.js script include

--HG--
extra : transplant_source : %C7%9E%14%A0%DD%D5%AE%23%F2.-%DAT6%D4%0D%95c%0B%B6
b=966322 use dump instead of ok to work around bug 974073

--HG--
extra : transplant_source : %40%C5f%FCr%C5%1F%82%15%0C%AE%FB%2B%5Bs%EB%EE%D02%FF
remove debugging dump() accidentally added in bug 931311

--HG--
extra : transplant_source : %A9%3B%3C%18%D1%5Dh%12%9A%7F%9BB%98S%F1%8F%92%5E%60%3A
remove debugging dump() accidentally added in bug 923301

--HG--
extra : transplant_source : %9Bg%E0%7F%CEH%60%E8%23%06%5B%28kMa%BF%A2%84%0A%DC