Reblacklist virtualCamera.ax, it's causing renderer hangs.

Reblacklist virtualCamera.ax, it's causing renderer hangs.

This driver has persistent issues, we previously blacklisted it for
http://crbug.com/378465 but came up with a workaround and thus it
was allowed again.  Now we're getting renderer hangs because it
blocks a sync ipc from completing on the audio thread.

Given the multiple issues and high install base, I think we should
permanently blacklist this dll from loading.

BUG=422522
TEST=none

Committed: https://crrev.com/2354603b228bfe41c4490aff779084600576d627
Cr-Commit-Position: refs/heads/master@{#310556}

[DaleCurtis, 2015-01-06 22:45:31]

dalecurtis@chromium.org changed reviewers:
+ csharp@chromium.org

[DaleCurtis, 2015-01-06 22:45:32]

Back on the blacklist.

[csharp, 2015-01-07 15:21:34]

On 2015/01/06 22:45:32, DaleCurtis wrote:
> Back on the blacklist.

This will only prevent virtualCamera.ax from loading into the browser process,
it'll still be able to load into renderer processes.

If you need to prevent it from loading into the renderer process, you'll need to
add it here:
https://code.google.com/p/chromium/codesearch#chromium/src/chrome_elf/blackli...

[Dale Curtis, 2015-01-07 19:04:07]

dalecurtis@google.com changed reviewers:
+ dalecurtis@google.com

[Dale Curtis, 2015-01-07 19:04:07]

dalecurtis@google.com changed reviewers:
+ dalecurtis@google.com

[Dale Curtis, 2015-01-07 19:04:08]

Device enumeration is done in the browser process, so this should be sufficient?

[Dale Curtis, 2015-01-07 19:04:08]

Device enumeration is done in the browser process, so this should be sufficient?

[csharp, 2015-01-07 21:29:15]

lgtm

[DaleCurtis, 2015-01-08 02:04:00]

The CQ bit was checked by dalecurtis@chromium.org

[commit-bot: I haz the power, 2015-01-08 02:05:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/838683002/1

[commit-bot: I haz the power, 2015-01-08 02:08:32]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-08 02:08:33]

Try jobs failed on following builders:
  linux_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu/builds/...)
  android_aosp on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_aosp/bu...)
  android_arm64_dbg_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_arm64_d...)
  android_chromium_gn_compile_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)
  android_clang_dbg_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_clang_d...)
  android_compile_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_compile...)
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)
  linux_chromium_asan_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_compile_dbg_32_ng on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_gn_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_gn_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_rel_ng on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  ios_dbg_simulator on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device/bu...)
  ios_rel_device_ninja on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  win8_chromium_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)

[DaleCurtis, 2015-01-08 02:17:05]

The CQ bit was checked by dalecurtis@chromium.org

[commit-bot: I haz the power, 2015-01-08 02:17:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/838683002/20001

[commit-bot: I haz the power, 2015-01-08 10:57:42]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-08 10:57:43]

Try jobs failed on following builders:
  win_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu_triggered...)

[DaleCurtis, 2015-01-08 18:12:53]

The CQ bit was checked by dalecurtis@chromium.org

[commit-bot: I haz the power, 2015-01-08 18:13:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/838683002/20001

[commit-bot: I haz the power, 2015-01-08 19:14:31]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-01-08 19:16:33]

Patchset 2 (id:??) landed as
https://crrev.com/2354603b228bfe41c4490aff779084600576d627
Cr-Commit-Position: refs/heads/master@{#310556}