Add blink support to --browser=trybot

Add blink support to --browser=trybot

BUG=401180
Committed: https://crrev.com/d21a08112f5df0b117b9657c7d4b5a93baa16356
Cr-Commit-Position: refs/heads/master@{#291789}

[sullivan, 2014-08-25 18:36:17]

sullivan@chromium.org changed reviewers:
+ dtu@chromium.org, tonyg@chromium.org

[tonyg, 2014-08-25 20:06:08]

The CQ bit was checked by tonyg@chromium.org

[tonyg, 2014-08-25 20:06:08]

lgtm

[commit-bot: I haz the power, 2014-08-25 20:06:25]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sullivan@chromium.org/499363003/1

[commit-bot: I haz the power, 2014-08-25 21:26:06]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  linux_chromium_rel_swarming on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  ios_rel_device_ninja on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)
  win_chromium_rel_swarming on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)
  win_chromium_x64_rel_swarming on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[sullivan, 2014-08-25 21:37:43]

The CQ bit was checked by sullivan@chromium.org

[commit-bot: I haz the power, 2014-08-25 21:39:26]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sullivan@chromium.org/499363003/20001

[commit-bot: I haz the power, 2014-08-25 22:38:28]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[commit-bot: I haz the power, 2014-08-25 23:47:09]

Committed patchset #2 (20001) as cd19dd707fe2acddcc66212ec2f68bb00ab8a360

[commit-bot: I haz the power, 2014-09-10 02:38:37]

Patchset 2 (id:??) landed as
https://crrev.com/d21a08112f5df0b117b9657c7d4b5a93baa16356
Cr-Commit-Position: refs/heads/master@{#291789}