[Android History] Add Android history manager UI and bridge

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.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.download.ui;
 
 import android.content.ComponentName;
 import android.support.v7.widget.RecyclerView.ViewHolder;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
@@ skipping 168 matching lines @@
     public long getTotalDownloadSize() {
         long totalSize = 0;
         totalSize += mRegularDownloadItems.getTotalBytes();
         totalSize += mIncognitoDownloadItems.getTotalBytes();
         totalSize += mOfflinePageItems.getTotalBytes();
         return totalSize;
     }
 
     @Override
     protected int getTimedItemViewResId() {
-        return R.layout.download_date_view;
+        return R.layout.date_view;
     }
 
     @Override
     public ViewHolder createViewHolder(ViewGroup parent) {
         DownloadItemView v = (DownloadItemView) LayoutInflater.from(parent.getContext()).inflate(
                 R.layout.download_item_view, parent, false);
         v.setSelectionDelegate(getSelectionDelegate());
         return new DownloadHistoryItemViewHolder(v);
     }
 
@@ skipping 205 matching lines @@
                 itemCounts[DownloadFilter.FILTER_VIDEO]);
     }
 
     private void recordTotalDownloadCountHistogram() {
         // The total count intentionally leaves out incognito downloads. This should be revisited
         // if/when incognito downloads are persistently available in downloads home.
         RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Total",
                 mRegularDownloadItems.size() + mOfflinePageItems.size());
     }
 }