Reland Integrate invalidation API into ChromeToMobileService.

Reland Integrate invalidation API into ChromeToMobileService.
A continuation of http://codereview.chromium.org/10834203

r152609 reverted original r152609 for debug test crashes:
http://build.chromium.org/p/chromium/builders/Mac%2010.7%20Tests%20%28dbg%29%284%29/builds/100/steps/browser_tests/logs/stdio

Move dtor logic to a ProfileKeyedService::Shutdown OVERRIDE.
This fixes the problem locally (we have no debug trybots?).

Remaining description matches that of the original CL:
======================================================

Update chrome/browser/DEPS with new dependencies:
(google/cacheinvalidation and sync/notifier)

Observe Sync Notifier invalidation notifications:
(depend on this service for mobile list updates)
(refresh the device list on cloud print invalidation)

Remove RequestMobileListUpdate, timestamp, & account info:
(no longer needed with invalidation integration)
(just set command state and icon visibility w/HasMobiles)

Lazily init the access token, queue search/send operations:
(only get an access token as needed, add |task_queue_|)

Allow concurrent cloud print device search requests:
(handle user-triggered updates while fetching the list)

Misc cleanup (CloudPrintUrl handling, tests, etc.)

TODO(followup): Additional logging, tests, invalidation ack.

BUG=102709, 137086
TEST=Chrome To Mobile devices update with cloud print!

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=152735

[msw, 2012-08-21 23:07:52]

Hey Elliot and Scott, please review the small diff, thanks!
Patch Set 2 just tweaks Patch Set 1 (original approved CL).

[Elliot Glaysher, 2012-08-21 23:17:33]

On 2012/08/21 23:07:52, msw wrote:
> Hey Elliot and Scott, please review the small diff, thanks!
> Patch Set 2 just tweaks Patch Set 1 (original approved CL).

gtk slgtm (since it doesn't look like you've changed that file.)

[nyquist, 2012-08-21 23:18:50]

lgtm

[msw, 2012-08-21 23:19:30]

Sorry, I should have mentioned:
erg: new ProfileKeyedService::Shutdown OVERRIDE
sky: OWNERS (hopefully don't need more OWNERS?)
but feel free to pile on :)

[msw, 2012-08-21 23:21:22]

Ah, +sail for chrome/browser/ui/cocoa/OWNERS

[Elliot Glaysher, 2012-08-21 23:21:33]

that lg too.

[sail, 2012-08-21 23:28:58]

cocoa/* LGTM

[sky, 2012-08-21 23:43:51]

LGTM

[commit-bot: I haz the power, 2012-08-21 23:51:09]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/msw@chromium.org/10869002/2001

[commit-bot: I haz the power, 2012-08-22 04:16:13]

Change committed as 152735