Receiving and sending dismissal parameters

chrome/browser/resources/google_now/utility.js

 // Copyright (c) 2013 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.
 
 'use strict';
 
 // TODO(vadimt): Remove alerts.
 
 /**
  * @fileoverview Utility objects and functions for Google Now extension.
@@ skipping 14 matching lines @@
  *     false.
  */
 function verify(condition, message) {
   if (!condition)
     throw new Error('\nASSERT: ' + message);
 }
 
 /**
  * Builds a request to the notification server.
  * @param {string} handlerName Server handler to send the request to.
+ * @param {string} contentType Value for the Content-type header.
  * @return {XMLHttpRequest} Server request.
  */
-function buildServerRequest(handlerName) {
+function buildServerRequest(handlerName, contentType) {
   var request = new XMLHttpRequest();
 
   request.responseType = 'text';
   request.open('POST', NOTIFICATION_CARDS_URL + '/' + handlerName, true);
-  request.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
+  request.setRequestHeader('Content-type', contentType);
 
   return request;
 }
 
 /**
  * Builds the object to manage tasks (mutually exclusive chains of events).
  * @param {function(string, string): boolean} areConflicting Function that
  *     checks if a new task can't be added to a task queue that contains an
  *     existing task.
  * @return {Object} Task manager interface.
@@ skipping 117 matching lines @@
       if (topFrameElements.length >= 3) {
         file = topFrameElements[0] + ':' + topFrameElements[1];
         line = topFrameElements[2];
       }
     }
     var requestParameters =
         'error=' + encodeURIComponent(error.name) +
         '&script=' + encodeURIComponent(file) +
         '&line=' + encodeURIComponent(line) +
         '&trace=' + encodeURIComponent(filteredStack);
-    var request = buildServerRequest('jserror');
+    var request = buildServerRequest('jserror',
+                                     'application/x-www-form-urlencoded');
     request.onloadend = function(event) {
       console.log('sendErrorReport status: ' + request.status);
     };
     request.send(requestParameters);
   }
 
   /**
    * Adds error processing to an API callback.
    * @param {Function} callback Callback to instrument.
    * @return {Function} Instrumented callback.
@@ skipping 157 matching lines @@
     if (alarm.name == alarmName)
       attempt();
   });
 
   return {
     start: start,
     planForNext: planForNext,
     stop: stop
   };
 }