content: Remove kDumpRenderTree variable.

content: Remove kDumpRenderTree variable.

I forgot to remove it from the header file when I
did https://chromium.googlesource.com/chromium/src/+/2eb4a6be7b92c44bfeee2cb69ad118d7cb8e44fa

BUG=453252
R=ojan@chromium.org
TBR=avi@chromium.org

Committed: https://crrev.com/981b371bf42e3f5d53f3c06b272d974cb11c7f1f
Cr-Commit-Position: refs/heads/master@{#352495}

[ojan, 2015-10-06 00:26:55]

ojan@chromium.org changed reviewers:
+ ojan@chromium.org

[ojan, 2015-10-06 00:26:55]

The CQ bit was checked by ojan@chromium.org

[ojan, 2015-10-06 00:26:55]

lgtm

[commit-bot: I haz the power, 2015-10-06 00:28:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1385053002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1385053002/1

[commit-bot: I haz the power, 2015-10-06 00:41:49]

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

[commit-bot: I haz the power, 2015-10-06 00:41:50]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[tfarina, 2015-10-06 00:49:05]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2015-10-06 00:49:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1385053002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1385053002/1

[commit-bot: I haz the power, 2015-10-06 00:55:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-06 00:56:39]

Patchset 1 (id:??) landed as
https://crrev.com/981b371bf42e3f5d53f3c06b272d974cb11c7f1f
Cr-Commit-Position: refs/heads/master@{#352495}

[Avi (use Gerrit), 2015-10-06 15:01:33]

On 2015/10/06 00:56:39, commit-bot: I haz the power wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/981b371bf42e3f5d53f3c06b272d974cb11c7f1f
> Cr-Commit-Position: refs/heads/master@{#352495}

I am always up for removal of dead code....

wait...

I am always down for removal of dead code...

I can't decide o_O

lgtm