📰 Implement offline badge refresh via partial bind

chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NodeParent.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NodeParent.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NodeParent.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NodeParent.java
index 533e6f4981190f0d8c0b030e28524adfcc66fb57..963e28c82015b4144cded4ed8bd6a93587fc5403 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NodeParent.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NodeParent.java
@@ -10,14 +10,15 @@
 public interface NodeParent {
     /**
      * Notifies that {@code count} items starting at position {@code index} under the {@code child}
-     * have changed.
+     * have changed with an optional payload object.
      * @param child The child whose items have changed.
      * @param index The starting position of the range of changed items, relative to the
      *         {@code child}.
      * @param count The number of changed items.
-     * @see android.support.v7.widget.RecyclerView.Adapter#notifyItemRangeChanged(int, int)
+     * @param payload Optional parameter, use {@code null} to identify a "full" update.
+     * @see android.support.v7.widget.RecyclerView.Adapter#notifyItemRangeChanged(int, int, Object)
      */
-    void onItemRangeChanged(TreeNode child, int index, int count);
+    void onItemRangeChanged(TreeNode child, int index, int count, Object payload);
 
     /**
      * Notifies that {@code count} items starting at position {@code index} under the {@code child}