Replace IdentityServicesProvider function in AccountTrackerService.

This CL replaces deprecated functions of IdentityServicesProvider with
the newer service getters with profile parameter. Since
AccountTrackerService runs only in regular mode, using
|Profile#getLastUsedRegularProfile| is safe.

Bug: 1041781, 1075562
Change-Id: I3158024805c17ab20713005162de741ecb1ff433
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2339659Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Reviewed-by: Boris Sazonov <bsazonov@chromium.org>
Commit-Queue: Side YILMAZ <sideyilmaz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797173}

chrome/android/java/src/org/chromium/chrome/browser/services/AccountsChangedReceiver.java

@@ -14,9 +14,11 @@ import org.chromium.base.task.PostTask;
 import org.chromium.chrome.browser.init.BrowserParts;
 import org.chromium.chrome.browser.init.ChromeBrowserInitializer;
 import org.chromium.chrome.browser.init.EmptyBrowserParts;
+import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.signin.IdentityServicesProvider;
 import org.chromium.chrome.browser.signin.SigninHelper;
 import org.chromium.chrome.browser.signin.SigninPreferencesManager;
+import org.chromium.components.signin.AccountTrackerService;
 import org.chromium.content_public.browser.UiThreadTaskTraits;
 
 /**
@@ -45,10 +47,11 @@ public class AccountsChangedReceiver extends BroadcastReceiver {
             @Override
             public void finishNativeInitialization() {
                 PostTask.runOrPostTask(UiThreadTaskTraits.DEFAULT, () -> {
+                    AccountTrackerService trackerService =
+                            IdentityServicesProvider.get().getAccountTrackerService(
+                                    Profile.getLastUsedRegularProfile());
                     // TODO(bsazonov): Check whether invalidateAccountSeedStatus is needed here.
-                    IdentityServicesProvider.get()
-                            .getAccountTrackerService()
-                            .invalidateAccountSeedStatus(false /* don't refresh right now */);
+                    trackerService.invalidateAccountSeedStatus(false /* don't refresh right now */);
                     SigninHelper.get().validateAccountSettings(true);
                 });
             }