[NTP Snippets] Show a status card when there are no available snippets

chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetItemDecoration.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetItemDecoration.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetItemDecoration.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetItemDecoration.java
deleted file mode 100644
index 62255aa4ca8c963a05f26826aae62cd4df065581..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetItemDecoration.java
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.ntp.snippets;
-
-import android.annotation.TargetApi;
-import android.graphics.Rect;
-import android.os.Build;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.RecyclerView.Adapter;
-import android.view.View;
-
-import org.chromium.base.ApiCompatibilityUtils;
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.ntp.cards.NewTabPageListItem;
-
-/**
- * A decorator that places separators between RecyclerView items of type
- * {@value NewTabPageListItem#VIEW_TYPE_SNIPPET} and elevation.
- */
-public class SnippetItemDecoration extends RecyclerView.ItemDecoration {
-    public SnippetItemDecoration() {}
-
-    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-    @Override
-    public void getItemOffsets(
-            Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
-        Adapter<?> adapter = parent.getAdapter();
-        int childPos = parent.getChildAdapterPosition(view);
-
-        // childPos can be NO_POSITION if the method is called with a view being removed from the
-        // RecyclerView, for example when dismissing an item.
-        if (childPos == RecyclerView.NO_POSITION) {
-            return;
-        }
-
-        // Only applies to view type snippet.
-        if (adapter.getItemViewType(childPos) != NewTabPageListItem.VIEW_TYPE_SNIPPET) return;
-
-        // Add elevation to each snippet if supported.
-        ApiCompatibilityUtils.setElevation(
-                view, parent.getContext().getResources().getDimensionPixelSize(
-                              R.dimen.snippets_card_elevation));
-
-        // Add space below the item. Checks if the current and next view are snippets.
-        if (adapter.getItemViewType(childPos + 1) == NewTabPageListItem.VIEW_TYPE_SNIPPET) {
-            outRect.set(0, 0, 0, parent.getContext().getResources().getDimensionPixelSize(
-                                         R.dimen.snippets_vertical_spacing));
-        }
-    }
-}