[Signin][Android] Don't show Google Play services dialog from SigninManager

This CL modifies sign-in flow SigninManager to remove the code that
shows error dialogs from Google Play services. Now these dialogs are
redundant, as Google Play services availability is checked from
SystemAccountManagerDelegate.checkCanUseGooglePlayServices, so if
there is no usable Google Play services package on the device, then
accounts won't be exposed from AccountManagerFacade at all.

Bug: 997218
Change-Id: I0ada3b6165387677c33a82b75e23bc38757d2f26
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1808861
Commit-Queue: Alex Ilin <alexilin@chromium.org>
Auto-Submit: Boris Sazonov <bsazonov@chromium.org>
Reviewed-by: Alex Ilin <alexilin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697291}

chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java

@@ -27,7 +27,6 @@ import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.base.metrics.RecordUserAction;
 import org.chromium.base.task.PostTask;
 import org.chromium.chrome.browser.externalauth.ExternalAuthUtils;
-import org.chromium.chrome.browser.externalauth.UserRecoverableErrorHandler;
 import org.chromium.components.signin.AccountIdProvider;
 import org.chromium.components.signin.AccountManagerFacade;
 import org.chromium.components.signin.AccountTrackerService;
@@ -459,8 +458,6 @@ public class SigninManager
         } else if (AccountIdProvider.getInstance().canBeUsed()) {
             mSignInState.mBlockedOnAccountSeeding = true;
         } else {
-            Activity activity = mSignInState.mActivity;
-            handleGooglePlayServicesUnavailability(activity, !isForceSigninEnabled());
             Log.w(TAG, "Cancelling the sign-in process as Google Play services is unavailable");
             abortSignIn();
         }
@@ -752,13 +749,6 @@ public class SigninManager
         return SigninManagerJni.get().extractDomainName(email);
     }
 
-    private void handleGooglePlayServicesUnavailability(Activity activity, boolean cancelable) {
-        UserRecoverableErrorHandler errorHandler = activity != null
-                ? new UserRecoverableErrorHandler.ModalDialog(activity, cancelable)
-                : new UserRecoverableErrorHandler.SystemNotification();
-        ExternalAuthUtils.getInstance().canUseGooglePlayServices(errorHandler);
-    }
-
     private boolean isGooglePlayServicesPresent(Context context) {
         return !ExternalAuthUtils.getInstance().isGooglePlayServicesMissing(context);
     }