Tentatively revert 180083

Tentatively revert 180083
Some autofill browser_tests on linux_chromeos are failing:

http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%282%29/builds/11359

> [autofill] Hook the sign-in button up to required actions.
> 
> - Actually use the info we're getting from wallet to tell whether a user needs
>   to authenticate further (in this case only in a non-passive way).
> 
> - Add a DialogSignedInState to autofill_dialog_types.h.
> 
> - Add a DialogSignedInState SignedInState() to AutofillDialogController interface
>   and implements AutofillDialogControllerImpl.
> 
> - Adds a UpdateAccountChooser() to AutofillDialogView and implements in
>   AutofillDialogViews.
> 
> - Use SignedInState() from AutofillDialogViews.
> 
> BUG=157270, 163508, 171528
> R=isherman@chromium.org,sky@chromium.org
> 
> Review URL: https://chromiumcodereview.appspot.com/12094069

TBR=dbeam@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=180111