[Android NTP] Move suggestion sections into a separate node.

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

 // 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.cards;
 
 import android.support.annotation.StringRes;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.TextView;
 
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ntp.NewTabPageUma;
-import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager;
 
 import java.util.Calendar;
 
 /**
  * Displayed when all suggested content and their sections have been dismissed. Provides a button
  * to restore the dismissed sections and load new suggestions from the server.
  */
 public class AllDismissedItem extends OptionalLeaf {
     /**
      * @param parent The item's parent node.
@@ skipping 13 matching lines @@
         assert holder instanceof ViewHolder;
         ((ViewHolder) holder).onBindViewHolder();
     }
 
     /**
      * ViewHolder for an item of type {@link ItemViewType#ALL_DISMISSED}.
      */
     public static class ViewHolder extends NewTabPageViewHolder {
         private final TextView mBodyTextView;
 
-        public ViewHolder(
-                ViewGroup root, final NewTabPageManager manager, final NewTabPageAdapter adapter) {
+        public ViewHolder(ViewGroup root, final SectionList sections) {
             super(LayoutInflater.from(root.getContext())
                             .inflate(R.layout.new_tab_page_all_dismissed, root, false));
             mBodyTextView = (TextView) itemView.findViewById(R.id.body_text);
 
             ((Button) itemView.findViewById(R.id.action_button))
                     .setOnClickListener(new OnClickListener() {
                         @Override
                         public void onClick(View v) {
                             NewTabPageUma.recordAction(
                                     NewTabPageUma.ACTION_CLICKED_ALL_DISMISSED_REFRESH);
-                            manager.getSuggestionsSource().restoreDismissedCategories();
-                            adapter.resetSections(/*allowEmptySections=*/true);
-                            manager.getSuggestionsSource().fetchRemoteSuggestions();
+                            sections.restoreDismissedSections();
                         }
                     });
         }
 
         public void onBindViewHolder() {
             int hour = Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
             @StringRes
             int messageId;
             if (hour >= 0 && hour < 12) {
                 messageId = R.string.ntp_all_dismissed_body_text_morning;
             } else if (hour >= 12 && hour < 17) {
                 messageId = R.string.ntp_all_dismissed_body_text_afternoon;
             } else {
                 messageId = R.string.ntp_all_dismissed_body_text_evening;
             }
             mBodyTextView.setText(messageId);
         }
     }
 }