ChildAccountService[Java] delegates everything to native side.

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 92640b395efa5e2be3363c0b6cf3ad0cd880d480..51e45c3857ec2f9fb1ca8cc8f5bdce93cd90a9b8 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
@@ -23,7 +23,6 @@ import org.chromium.base.ObserverList;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.childaccounts.ChildAccountService;
 import org.chromium.chrome.browser.notifications.GoogleServicesNotificationController;
 import org.chromium.chrome.browser.sync.ProfileSyncService;
 import org.chromium.chrome.browser.sync.SyncController;
@@ -506,10 +505,6 @@ public class SigninManager implements AccountTrackerService.OnSystemAccountsSeed
                     AccountManagementFragment.setSignOutAllowedPreferenceValue(mContext, false);
                 }
 
-                if (signInType == SIGNIN_TYPE_FORCED_CHILD_ACCOUNT) {
-                    ChildAccountService.getInstance(mContext).onChildAccountSigninComplete();
-                }
-
                 SigninManager.get(mContext).logInSignedInUser();
                 // If Chrome was started from an external intent we should show the sync signin
                 // popup, since the user has not seen the welcome screen where there is easy access