Push API: delete MockWebPushClient [switchover 2/6]

Push API: delete MockWebPushClient  [switchover 2/6]

This functionality is being replaced by LayoutTestPushMessagingService.

Depends on https://codereview.chromium.org/735293005/ (Push API: delete the old layout tests.)

This part 2 of a series of 6 patches. See https://crbug.com/440076 for the plan to land them.

BUG=389194, 440076
Committed: https://crrev.com/e29f55713b967c860305caff2184940c4d3312c8
Cr-Commit-Position: refs/heads/master@{#307911}

[Michael van Ouwerkerk, 2014-12-08 20:03:33]

mvanouwerkerk@chromium.org changed reviewers:
+ peter@chromium.org

[Michael van Ouwerkerk, 2014-12-08 20:03:34]

Peter, could you take a look please?

[Peter Beverloo, 2014-12-08 20:43:48]

On 2014/12/08 20:03:34, Michael van Ouwerkerk wrote:
> Peter, could you take a look please?

lgtm

[Michael van Ouwerkerk, 2014-12-09 12:33:24]

mvanouwerkerk@chromium.org changed reviewers:
+ mkwst@chromium.org

[Michael van Ouwerkerk, 2014-12-09 12:33:24]

Mike, could you take a look as content/shell owner please?

[Mike West, 2014-12-09 12:37:01]

yay deleting things. LGTM.

[Michael van Ouwerkerk, 2014-12-11 15:35:12]

The CQ bit was checked by mvanouwerkerk@chromium.org

[commit-bot: I haz the power, 2014-12-11 15:36:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/784873004/20001

[commit-bot: I haz the power, 2014-12-11 16:38:24]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-12-11 16:39:18]

Patchset 2 (id:??) landed as
https://crrev.com/e29f55713b967c860305caff2184940c4d3312c8
Cr-Commit-Position: refs/heads/master@{#307911}