Make chromium_builder_tests depend on all_blink

Make chromium_builder_tests depend on all_blink

This is necessary so chromium buildbots and tryservers can run blink's unit
tests.

BUG=248008
R=thakis@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=205242

[Nico, 2013-06-10 17:33:11]

lgtm

Please watch http://build.chromium.org/p/tryserver.chromium/stats after this
lands and see if compile time goes up considerably

[commit-bot: I haz the power, 2013-06-10 17:33:28]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jamesr@chromium.org/16299005/1

[jamesr, 2013-06-10 17:34:11]

On 2013/06/10 17:33:11, Nico wrote:
> lgtm
> 
> Please watch http://build.chromium.org/p/tryserver.chromium/stats after this
> lands and see if compile time goes up considerably

I think that's unlikely since many of the test targets depend on the blink
library transitively, so the only delta will be the unit tests themselves (few
dozen files).

[jamesr, 2013-06-10 17:52:43]

Committed patchset #1 manually as r205242 (presubmit successful).