Save execution phase of the browser to prefs file whenever we set the

Save execution phase of the browser to prefs file whenever we
set the execution_phase.

Minor cleanup: Added SHUTDOWN_COMPLETE to the execution_phase.
Renamed CLEAN_SHUTDOWN to UNINITIALIZED_PHASE.

Added Chrome.Browser.CrashedExecutionPhase histogram to 
reflect changes to execution phase enums.

Retired Chrome.Browser.ExecutionPhase histogram.

R=jar@chromium.org,

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=235118

[ramant (doing other things), 2013-11-13 00:43:43]

PTAL.

[jar (doing other things), 2013-11-13 20:48:06]

LGTM.... but be sure the bots are OK.

[commit-bot: I haz the power, 2013-11-13 23:41:39]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rtenneti@chromium.org/69953008/480001

[ramant (doing other things), 2013-11-14 00:16:19]

Hi Nico,
  Would appreciate if you could review this CL (jar is not an OWNER of
chrome/browser).

thanks
raman

[Nico, 2013-11-14 00:18:36]

lgtm

Sorry, didn't realize that.

[ramant (doing other things), 2013-11-14 00:19:53]

On 2013/11/14 00:18:36, Nico wrote:
> lgtm
> 
> Sorry, didn't realize that.

Awesome. Thanks very much for the quick response.

[commit-bot: I haz the power, 2013-11-14 00:24:51]

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

[commit-bot: I haz the power, 2013-11-14 00:50:21]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rtenneti@chromium.org/69953008/740001

[commit-bot: I haz the power, 2013-11-14 01:53:25]

Retried try job too often on mac for step(s) compile
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac&number...

[commit-bot: I haz the power, 2013-11-14 03:41:30]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rtenneti@chromium.org/69953008/740001

[commit-bot: I haz the power, 2013-11-14 11:02:23]

Change committed as 235118