Move AsyncTask helpers for accounts and features getters to AccountManagerHelper

components/signin/core/browser/android/java/src/org/chromium/components/signin/AccountManagerDelegate.java

Index: components/signin/core/browser/android/java/src/org/chromium/components/signin/AccountManagerDelegate.java
diff --git a/components/signin/core/browser/android/java/src/org/chromium/components/signin/AccountManagerDelegate.java b/components/signin/core/browser/android/java/src/org/chromium/components/signin/AccountManagerDelegate.java
index 249c4e951e5935b964e93e24edf06e6a0928e2ed..2e52e58b3087f53edea1a24e07b94449ac27aa50 100644
--- a/components/signin/core/browser/android/java/src/org/chromium/components/signin/AccountManagerDelegate.java
+++ b/components/signin/core/browser/android/java/src/org/chromium/components/signin/AccountManagerDelegate.java
@@ -26,13 +26,6 @@ public interface AccountManagerDelegate {
     Account[] getAccountsByType(String type);
 
     /**
-     * Async version of {@link #getAccountsByType}
-     * This method is deprecated and will be removed soon.
-     */
-    @AnyThread
-    void getAccountsByType(String type, Callback<Account[]> callback);
-
-    /**
      * Get an auth token.
      *
      * @param account The {@link Account} for which the auth token is requested.
@@ -66,13 +59,6 @@ public interface AccountManagerDelegate {
     boolean hasFeatures(Account account, String[] features);
 
     /**
-     * Asynchronous version of {@link #hasFeatures}
-     * This method is deprecated and will be removed soon.
-     */
-    @AnyThread
-    void hasFeatures(Account account, String[] features, Callback<Boolean> callback);
-
-    /**
      * Asks the user to enter a new password for an account, updating the saved credentials for the
      * account.
      * @param account The {@link Account} for which the update is requested.