implement validations of pagination URLs

java/org/chromium/distiller/ParsedUrl.java

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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;
 
 import com.google.gwt.core.client.JavaScriptObject;
 
 /**
  * Wraps a javascript URL object and its URLUtils properties, with additional methods and instance
  * fields as needed.
@@ skipping 193 matching lines @@
     @Override
     public String toString() {
         return mUrl.toString();
     }
 
     private ParsedUrl(Url url) {
         mUrl = url;
     }
 
 }