Roll gwt to 2.7.0 (from 2.5.1)

src/com/dom_distiller/client/DomDistillerEntry.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 com.dom_distiller.client;
 
 import com.google.gwt.core.client.EntryPoint;
 
-import org.timepedia.exporter.client.ExporterUtil;
-
 /**
  * Entry point classes define <code>onModuleLoad()</code>.
  */
 public class DomDistillerEntry implements EntryPoint {
   /**
    * This is the entry point method.
    */
   public void onModuleLoad() {
-      ExporterUtil.exportAll();
   }
 }