Move upstreamed calls to FirstRunActivity.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
index 41b7371f7c8c8bf30428397b993d8640e9806787..1e74bb82def6f5764ca6efb4e9f6da6e6e99b796 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
@@ -25,7 +25,6 @@ import org.chromium.base.ObserverList;
 import org.chromium.base.ThreadUtils;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.child_accounts.ChildAccountService;
-import org.chromium.chrome.browser.firstrun.FirstRunActivity;
 import org.chromium.chrome.browser.invalidation.InvalidationController;
 import org.chromium.chrome.browser.notifications.GoogleServicesNotificationController;
 import org.chromium.chrome.browser.sync.ProfileSyncService;
@@ -532,7 +531,8 @@ public class SigninManager {
                 // popup, since the user has not seen the welcome screen where there is easy access
                 // to turn off sync.
                 if (showSignInNotification) {
-                    ((FirstRunActivity) activity).showSignInNotification();
+                    SigninManager.get(activity).getSigninNotificationController()
+                            .showSyncSignInNotification();
                 }
             }
             @Override