Set User-Agent and Accept-Language request headers for PWS requests

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/JsonObjectHttpRequest.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.chrome.browser.physicalweb;
 
 import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 
 /**
  * A class that represents an HTTP request for a JSON object.
  * Both the request payload and the response are JSON objects.
  */
 class JsonObjectHttpRequest extends HttpRequest<JSONObject> {
     private final JSONObject mJsonObject;
 
     /**
      * Construct a JSON object request.
      * @param url The url to make this HTTP request to.
+     * @param userAgent The string to set as the User-Agent request header.
+     * @param acceptLanguage The string to set as the Accept-Language request header.
      * @param jsonObject The JSON payload.
      * @param callback The callback run when the HTTP response is received.
      * @throws MalformedURLException on invalid url
      */
-    public JsonObjectHttpRequest(String url, JSONObject jsonObject, RequestCallback callback)
+    public JsonObjectHttpRequest(String url, String userAgent, String acceptLanguage,
+            JSONObject jsonObject, RequestCallback callback)
             throws MalformedURLException {
-        super(url, callback);
+        super(url, userAgent, acceptLanguage, callback);
         mJsonObject = jsonObject;
     }
 
     /**
      * The callback that gets run after the request is made.
      */
     public interface RequestCallback extends HttpRequest.HttpRequestCallback<JSONObject> {}
 
     /**
      * Helper method to make an HTTP request.
@@ skipping 27 matching lines @@
     private static String readStreamToString(InputStream is) throws IOException {
         ByteArrayOutputStream os = new ByteArrayOutputStream();
         byte[] buffer = new byte[1024];
         int len;
         while ((len = is.read(buffer)) != -1) {
             os.write(buffer, 0, len);
         }
         return os.toString("UTF-8");
     }
 }