Use a TestBrowserThreadBundle in WebContentsAudioInputStreamTest

Use a TestBrowserThreadBundle in WebContentsAudioInputStreamTest

BUG=395356
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=290763

[Ryan Sleevi, 2014-08-07 03:35:26]

wez: You tend to review quickly - got time for this one? :)

[Wez, 2014-08-07 06:19:06]

lgtm

[commit-bot: I haz the power, 2014-08-07 06:21:19]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rsleevi@chromium.org/449733002/1

[commit-bot: I haz the power, 2014-08-07 07:49:36]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  android_clang_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_clang_d...)
  android_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg/bui...)
  linux_chromium_chromeos_rel_swarming on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_rel_swarming on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  mac_chromium_compile_dbg on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)
  win8_chromium_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)
  win_chromium_compile_dbg on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_comp...)
  win_chromium_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel/...)
  win_chromium_x64_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[Ryan Sleevi, 2014-08-07 07:54:22]

The CQ bit was unchecked by rsleevi@chromium.org

[Ryan Sleevi, 2014-08-20 03:15:00]

The CQ bit was checked by rsleevi@chromium.org

[commit-bot: I haz the power, 2014-08-20 03:17:10]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rsleevi@chromium.org/449733002/40001

[commit-bot: I haz the power, 2014-08-20 04:24:27]

Committed patchset #3 (40001) as 290763