Android: Remove unused overloads in RevenueStats.java

Change-Id: Ic989f7f2636120fdfe91e559ca6f5428e20b382e
Reviewed-on: https://chromium-review.googlesource.com/792433Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Commit-Queue: agrieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520150}

chrome/android/java/src/org/chromium/chrome/browser/rlz/RevenueStats.java

@@ -4,7 +4,6 @@
 
 package org.chromium.chrome.browser.rlz;
 
-import android.content.Context;
 import android.content.SharedPreferences;
 
 import org.chromium.base.ContextUtils;
@@ -39,14 +38,6 @@ public class RevenueStats {
      */
     public void tabCreated(Tab tab) {}
 
-    protected static boolean getRlzNotified(Context context) {
-        return getRlzNotified(); // TODO(agrieve): Delete once downstream is updated.
-    }
-
-    protected static void setRlzNotified(Context context, boolean notified) {
-        setRlzNotified(notified); // TODO(agrieve): Delete once downstream is updated.
-    }
-
     /**
      * Returns whether the RLZ provider has been notified that the first search has occurred.
      */