Ntp: show AllDismissedItem when all sections have been dismissed.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageItem.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageItem.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageItem.java
index 74d38834b1d905d3c2a5893fa73c3a7e57c00cbd..e826c0e1f0cba9cf8406fd715fd4491c54604b15 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageItem.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageItem.java
@@ -18,7 +18,8 @@ public interface NewTabPageItem {
      * @see NewTabPageItem#getType()
      */
     @IntDef({VIEW_TYPE_ABOVE_THE_FOLD, VIEW_TYPE_HEADER, VIEW_TYPE_SNIPPET, VIEW_TYPE_SPACING,
-            VIEW_TYPE_STATUS, VIEW_TYPE_PROGRESS, VIEW_TYPE_ACTION, VIEW_TYPE_PROMO})
+            VIEW_TYPE_STATUS, VIEW_TYPE_PROGRESS, VIEW_TYPE_ACTION, VIEW_TYPE_FOOTER,
+            VIEW_TYPE_PROMO, VIEW_TYPE_ALL_DISMISSED})
     @Retention(RetentionPolicy.SOURCE)
     public @interface ViewType {}
 
@@ -77,6 +78,15 @@ public interface NewTabPageItem {
     public static final int VIEW_TYPE_PROMO = 9;
 
     /**
+     * View type for a {@link AllDismissedItem}.
+     * @see Adapter#getItemViewType(int)
+     */
+    public static final int VIEW_TYPE_ALL_DISMISSED = 10;
+
+    // NOTE: when adding new entries here, also update the IntDef at the top of this file, and
+    // CardViewHolder#isCard(int type).
+
+    /**
       * Returns the type ({@link ViewType}) of this list item. This is so we can
       * distinguish between different elements that are held in a single RecyclerView holder.
       *