Revert of In run-webkit-tests, start xvfb if necessary.

Revert of In run-webkit-tests, start xvfb if necessary. (patchset #6 id:100001 of https://codereview.chromium.org/2821543003/ )

Reason for revert:
Looks like it broke WebKit Android (Nexus4). 

https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Android%20%28Nexus4%29/builds/63884

https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.webkit%2FWebKit_Android__Nexus4_%2F63893%2F%2B%2Frecipes%2Fsteps%2Fwebkit_tests%2F0%2Fstdout

Original issue's description:
> In run-webkit-tests, start xvfb if necessary.
> 
> BUG=711515
> 
> Review-Url: https://codereview.chromium.org/2821543003
> Cr-Commit-Position: refs/heads/master@{#465331}
> Committed: https://chromium.googlesource.com/chromium/src/+/8e209a99612f0af2a91c940967eacef653fa20b1

TBR=dpranke@chromium.org,tansell@chromium.org,qyearsley@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=711515
Review-Url: https://codereview.chromium.org/2828623002
Cr-Commit-Position: refs/heads/master@{#465428}
Committed: https://chromium.googlesource.com/chromium/src/+/53b27041e4b3618926878898d8e57d7c7d73d157

[ojan, 2017-04-19 00:17:22]

The CQ bit was checked by ojan@chromium.org

[ojan, 2017-04-19 00:17:22]

Created Revert of In run-webkit-tests, start xvfb if necessary.

[commit-bot: I haz the power, 2017-04-19 00:18:28]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-19 00:19:07]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492561042295340, "parent_rev":
"45438484dd3e094951bfbdad9ebd6687933c7840", "commit_rev":
"53b27041e4b3618926878898d8e57d7c7d73d157"}

[commit-bot: I haz the power, 2017-04-19 00:20:19]

Description was changed from

==========
Revert of In run-webkit-tests, start xvfb if necessary. (patchset #6 id:100001
of https://codereview.chromium.org/2821543003/ )

Reason for revert:
Looks like it broke WebKit Android (Nexus4). 

https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Android%20%28N...

https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.webkit%2FWebKit...

Original issue's description:
> In run-webkit-tests, start xvfb if necessary.
> 
> BUG=711515
> 
> Review-Url: https://codereview.chromium.org/2821543003
> Cr-Commit-Position: refs/heads/master@{#465331}
> Committed:
https://chromium.googlesource.com/chromium/src/+/8e209a99612f0af2a91c940967ea...

TBR=dpranke@chromium.org,tansell@chromium.org,qyearsley@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=711515
==========

to

==========
Revert of In run-webkit-tests, start xvfb if necessary. (patchset #6 id:100001
of https://codereview.chromium.org/2821543003/ )

Reason for revert:
Looks like it broke WebKit Android (Nexus4). 

https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Android%20%28N...

https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.webkit%2FWebKit...

Original issue's description:
> In run-webkit-tests, start xvfb if necessary.
> 
> BUG=711515
> 
> Review-Url: https://codereview.chromium.org/2821543003
> Cr-Commit-Position: refs/heads/master@{#465331}
> Committed:
https://chromium.googlesource.com/chromium/src/+/8e209a99612f0af2a91c940967ea...

TBR=dpranke@chromium.org,tansell@chromium.org,qyearsley@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=711515

Review-Url: https://codereview.chromium.org/2828623002
Cr-Commit-Position: refs/heads/master@{#465428}
Committed:
https://chromium.googlesource.com/chromium/src/+/53b27041e4b3618926878898d8e5...
==========

[commit-bot: I haz the power, 2017-04-19 00:20:20]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/53b27041e4b3618926878898d8e5...

[qyearsley, 2017-04-19 15:53:18]

LGTM -- I was wondering why Android was failing like that, glad that the Android
failures were fixed quickly.

I'll make a reland CL and make sure to run it on the android try bot.

[qyearsley, 2017-04-19 15:53:37]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2827073002/ by qyearsley@chromium.org.

The reason for reverting is: Making a reland CL in order to try to fix the
issue.