Fix some warnings in Eclipse

javatests/org/chromium/distiller/webdocument/WebTableTest.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.distiller.webdocument;
 
 import org.chromium.distiller.DomDistillerJsTestCase;
 import org.chromium.distiller.TestUtil;
 
 import com.google.gwt.dom.client.Document;
 import com.google.gwt.dom.client.Element;
-import com.google.gwt.dom.client.Node;
-
-import java.util.List;
 
 public class WebTableTest extends DomDistillerJsTestCase {
     public void testGenerateOutput() {
         Element table = Document.get().createTableElement();
         String html = "<tbody>" +
                           "<tr>" +
                               "<td>row1col1</td>" +
                               "<td><img src=\"http://example.com/table.png\"></td>" +
                           "</tr>" +
                       "</tbody>";
         table.setInnerHTML(html);
         mBody.appendChild(table);
 
         WebTable webTable = new WebTable(table);
         String got = webTable.generateOutput(false);
 
         // Output should be the same as the input in this case.
         assertEquals("<table>" + html + "</table>", TestUtil.removeAllDirAttributes(got));
     }
 }