Discard hidden articles when using fast path

javatests/org/chromium/distiller/TestUtil.java

 // Copyright 2014 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.distiller;
 
 import com.google.gwt.dom.client.AnchorElement;
 import com.google.gwt.dom.client.Document;
 import com.google.gwt.dom.client.Element;
 import com.google.gwt.dom.client.HeadingElement;
 import com.google.gwt.dom.client.IFrameElement;
 import com.google.gwt.dom.client.ImageElement;
 import com.google.gwt.dom.client.MetaElement;
 import com.google.gwt.dom.client.Text;
 import com.google.gwt.dom.client.TitleElement;
+import com.google.gwt.dom.client.NodeList;
 import com.google.gwt.user.client.Random;
 import com.google.gwt.user.client.Window;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
 /**
  * A mixed bag of stuff used in tests.
  */
@@ skipping 128 matching lines @@
         if (!strToAppend.isEmpty() && !StringUtil.match(noUrlParams, "\\/$")) {
             noUrlParams += "/";
         }
         return noUrlParams + strToAppend;
     }
 
     public static String removeAllDirAttributes(String originalHtml) {
         return originalHtml.replaceAll(" dir=\\\"(ltr|rtl|inherit|auto)\\\"","");
     }
 
+    public static List<Element> nodeListToList(NodeList<Element> nodeList) {
+        List<Element> elements = new ArrayList<>();
+        for (int i = 0; i < nodeList.getLength(); i++) {
+            elements.add(nodeList.getItem(i));
+        }
+        return elements;
+    }
+
     /**
      * Randomly shuffle the list in-place.
      */
     public static void shuffle(List<?> list) {
         int size = list.size();
         for (int i=size; i>1; i--) {
             Collections.swap(list, i-1, Random.nextInt(i));
         }
     }
 }