Removes redundant test

Removes redundant test

After changes that made Embed() always create a new connection this
test is now redundant with EmbedWithSameViewId*. Additionally it
wasn't properly waiting, leading to use after frees.

BUG=none
TEST=covered by tests
R=aa@chromium.org

Committed: https://crrev.com/b546ca9a2f80dcf22412d47102bb37d59c8d034d
Cr-Commit-Position: refs/heads/master@{#294648}

[Aaron Boodman, 2014-09-12 15:49:38]

lgtm

[sky, 2014-09-12 15:51:53]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2014-09-12 15:53:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/566463003/1

[commit-bot: I haz the power, 2014-09-12 16:39:20]

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

[commit-bot: I haz the power, 2014-09-12 16:39:21]

Try jobs failed on following builders:
  linux_chromium_rel_swarming on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[sky, 2014-09-12 19:56:52]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2014-09-12 19:59:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/566463003/1

[commit-bot: I haz the power, 2014-09-12 20:29:28]

Committed patchset #1 (id:1) as fa2ec43b2873cd01a79015eefa2871fca2a1dc06

[commit-bot: I haz the power, 2014-09-12 20:37:57]

Patchset 1 (id:??) landed as
https://crrev.com/b546ca9a2f80dcf22412d47102bb37d59c8d034d
Cr-Commit-Position: refs/heads/master@{#294648}