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chrome/android/java/src/org/chromium/chrome/browser/suggestions/SuggestionsRecyclerView.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.suggestions;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.support.v4.view.ViewCompat;
 import android.support.v4.view.animation.FastOutLinearInInterpolator;
 import android.support.v7.view.ContextThemeWrapper;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.helper.ItemTouchHelper;
+import android.util.AttributeSet;
 import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.Interpolator;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Callback;
@@ skipping 37 matching lines @@
      * Height compensation value for each item being dismissed. Since dismissals sometimes include
      * sibling elements, and these don't get the standard treatment, we track the total height
      * associated with the element the user interacted with.
      */
     private final Map<ViewHolder, Integer> mCompensationHeightMap = new HashMap<>();
 
     /** Whether the RecyclerView and its children should react to touch events. */
     private boolean mTouchEnabled = true;
 
     public SuggestionsRecyclerView(Context context) {
-        super(new ContextThemeWrapper(context, R.style.NewTabPageRecyclerView));
+        this(context, null);
+    }
+
+    public SuggestionsRecyclerView(Context context, AttributeSet attrs) {
+        super(new ContextThemeWrapper(context, R.style.NewTabPageRecyclerView), attrs);
 
         Resources res = getContext().getResources();
         setBackgroundColor(ApiCompatibilityUtils.getColor(res, R.color.ntp_bg));
         setLayoutParams(new LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
         setFocusable(true);
         setFocusableInTouchMode(true);
         setContentDescription(res.getString(R.string.accessibility_new_tab_page));
 
         mGestureDetector =
@@ skipping 268 matching lines @@
      * Callback to reset a card's properties affected by swipe to dismiss.
      */
     private static class ResetForDismissCallback extends NewTabPageViewHolder.PartialBindCallback {
         @Override
         public void onResult(NewTabPageViewHolder holder) {
             assert holder instanceof CardViewHolder;
             ((CardViewHolder) holder).getRecyclerView().updateViewStateForDismiss(0, holder);
         }
     }
 }