Remove webarchive tests.

Remove webarchive tests.
We support mhtml as an archive format and have no plans
to support webarchive.

BUG=10395
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=148605

[Dirk Pranke, 2013-04-18 00:42:23]

lgtm. I believe there is some small amount of code for supporting webarchives in
run-webkit-tests. Can you either yank that in a separate CL or file a bug?

[ojan, 2013-04-18 00:47:44]

On 2013/04/18 00:42:23, Dirk Pranke wrote:
> lgtm. I believe there is some small amount of code for supporting webarchives
in
> run-webkit-tests. Can you either yank that in a separate CL or file a bug?

I'll look into doing it in a separate CL.

[commit-bot: I haz the power, 2013-04-18 00:52:38]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ojan@chromium.org/14046041/1

[commit-bot: I haz the power, 2013-04-18 02:06:58]

Retried try job too often on mac_layout_rel for step(s) webkit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_layout...

[ojan, 2013-04-18 02:33:19]

Committed patchset #1 manually as r148605 (presubmit successful).