Updated XHR API so call sites are more descriptive.

remoting/webapp/crd/js/host_list_api_impl.js

 // 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.
 
 /**
  * @fileoverview
  * REST API for host-list management.
  */
 
 'use strict';
@@ skipping 10 matching lines @@
 
 /**
  * Fetch the list of hosts for a user.
  *
  * @param {function(Array.<remoting.Host>):void} onDone
  * @param {function(remoting.Error):void} onError
  */
 remoting.HostListApiImpl.prototype.get = function(onDone, onError) {
   /** @type {function(XMLHttpRequest):void} */
   var parseHostListResponse =
-      this.parseHostListResponse_.bind(this, onDone, onError)
+      this.parseHostListResponse_.bind(this, onDone, onError);
   /** @param {string} token */
   var onToken = function(token) {
-    var headers = { 'Authorization': 'OAuth ' + token };
-    remoting.xhr.get(remoting.settings.DIRECTORY_API_BASE_URL + '/@me/hosts',
-                     parseHostListResponse, '', headers);
+    remoting.xhr.start({
+      method: 'GET',
+      url: remoting.settings.DIRECTORY_API_BASE_URL + '/@me/hosts',
+      onDone: parseHostListResponse,
+      oauthToken: token
+    });
   };
   remoting.identity.callWithToken(onToken, onError);
 };
 
 /**
  * Update the information for a host.
  *
  * @param {function():void} onDone
  * @param {function(remoting.Error):void} onError
  * @param {string} hostId
  * @param {string} hostName
  * @param {string} hostPublicKey
  */
 remoting.HostListApiImpl.prototype.put =
     function(hostId, hostName, hostPublicKey, onDone, onError) {
   /** @param {string} token */
   var onToken = function(token) {
-    var headers = {
-      'Authorization': 'OAuth ' + token,
-      'Content-type' : 'application/json; charset=UTF-8'
-    };
     var newHostDetails = {
       'data': {
         'hostId': hostId,
         'hostName': hostName,
         'publicKey': hostPublicKey
       }
     };
-    remoting.xhr.put(
-        remoting.settings.DIRECTORY_API_BASE_URL + '/@me/hosts/' + hostId,
-        remoting.xhr.defaultResponse(onDone, onError),
-        JSON.stringify(newHostDetails),
-        headers);
+    remoting.xhr.start({
+      method: 'PUT',
+      url: remoting.settings.DIRECTORY_API_BASE_URL + '/@me/hosts/' + hostId,
+      onDone: remoting.xhr.defaultResponse(onDone, onError),
+      jsonContent: newHostDetails,
+      oauthToken: token
+    });
   };
   remoting.identity.callWithToken(onToken, onError);
 };
 
 /**
  * Delete a host.
  *
  * @param {function():void} onDone
  * @param {function(remoting.Error):void} onError
  * @param {string} hostId
  */
 remoting.HostListApiImpl.prototype.remove = function(hostId, onDone, onError) {
   /** @param {string} token */
   var onToken = function(token) {
-    var headers = { 'Authorization': 'OAuth ' + token };
-    remoting.xhr.remove(
-        remoting.settings.DIRECTORY_API_BASE_URL + '/@me/hosts/' + hostId,
-        remoting.xhr.defaultResponse(onDone, onError),
-        '', headers);
+    remoting.xhr.start({
+      method: 'DELETE',
+      url: remoting.settings.DIRECTORY_API_BASE_URL + '/@me/hosts/' + hostId,
+      onDone: remoting.xhr.defaultResponse(onDone, onError),
+      oauthToken: token
+    });
   };
   remoting.identity.callWithToken(onToken, onError);
 };
 
 /**
  * Handle the results of the host list request.  A success response will
  * include a JSON-encoded list of host descriptions, which is parsed and
  * passed to the callback.
  *
  * @param {function(Array.<remoting.Host>):void} onDone
@@ skipping 13 matching lines @@
       var hosts = response.data.items || [];
       onDone(hosts);
     }
   } else {
     onError(remoting.Error.fromHttpStatus(xhr.status));
   }
 };
 
 /** @type {remoting.HostListApi} */
 remoting.hostListApi = new remoting.HostListApiImpl();