Add a snippet item decoration to recycler view for cards and make the card full bleed with a divide…

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.java

 // Copyright 2015 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;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ skipping 26 matching lines @@
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.favicon.FaviconHelper.FaviconImageCallback;
 import org.chromium.chrome.browser.favicon.FaviconHelper.IconAvailabilityCallback;
 import org.chromium.chrome.browser.favicon.LargeIconBridge.LargeIconCallback;
 import org.chromium.chrome.browser.ntp.LogoBridge.Logo;
 import org.chromium.chrome.browser.ntp.LogoBridge.LogoObserver;
 import org.chromium.chrome.browser.ntp.MostVisitedItem.MostVisitedItemManager;
 import org.chromium.chrome.browser.ntp.NewTabPage.OnSearchBoxScrollListener;
 import org.chromium.chrome.browser.ntp.cards.NewTabPageAdapter;
 import org.chromium.chrome.browser.ntp.cards.NewTabPageRecyclerView;
+import org.chromium.chrome.browser.ntp.snippets.SnippetItemDecoration;
 import org.chromium.chrome.browser.ntp.snippets.SnippetsBridge.SnippetsObserver;
 import org.chromium.chrome.browser.profiles.MostVisitedSites.MostVisitedURLsObserver;
 import org.chromium.chrome.browser.profiles.MostVisitedSites.ThumbnailCallback;
 import org.chromium.chrome.browser.util.ViewUtils;
 import org.chromium.chrome.browser.widget.RoundedIconGenerator;
 
 import jp.tomorrowkey.android.gifplayer.BaseGifImage;
 
 /**
  * The native new tab page, represented by some basic data such as title and url, and an Android
@@ skipping 321 matching lines @@
                 @Override
                 public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                     if (newState != RecyclerView.SCROLL_STATE_DRAGGING) return;
                     RecordUserAction.record("MobileNTP.Snippets.Scrolled");
                     if (mScrolledOnce) return;
                     mScrolledOnce = true;
                     NewTabPageUma.recordSnippetAction(NewTabPageUma.SNIPPETS_ACTION_SCROLLED);
                 }
             });
             initializeSearchBoxRecyclerViewScrollHandling();
+            mRecyclerView.addItemDecoration(new SnippetItemDecoration(getContext()));
         } else {
             initializeSearchBoxScrollHandling();
         }
     }
 
     private void updateSearchBoxOnScroll() {
         if (mDisableUrlFocusChangeAnimations) return;
 
         float percentage = 0;
         // During startup the view may not be fully initialized, so we only calculate the current
@@ skipping 568 matching lines @@
     }
 
     private int getVerticalScroll() {
         if (mUseCardsUi) {
             return mRecyclerView.computeVerticalScrollOffset();
         } else {
             return mScrollView.getScrollY();
         }
     }
 }