[Webapp Refactor] Implements remoting.Activity.

remoting/webapp/base/js/input_dialog.js

 // 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.
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 (function() {
 
 'use strict';
@@ skipping 35 matching lines @@
 
   this.eventHooks_ = new base.Disposables(
       new base.DomEventHook(this.formElement_, 'submit', onOk, false),
       new base.DomEventHook(this.cancelButton_, 'click', onCancel, false));
   base.debug.assert(this.deferred_ === null);
   this.deferred_ = new base.Deferred();
   remoting.setMode(this.appMode_);
   return this.deferred_.promise();
 };
 
+/** @return {HTMLElement} */
+remoting.InputDialog.prototype.inputField = function() {
+  return this.inputField_;
+}
+
 /** @private */
 remoting.InputDialog.prototype.onSubmit_ = function() {
   this.deferred_.resolve(this.inputField_.value);
 }
 
 /** @private */
 remoting.InputDialog.prototype.onCancel_ = function() {
   this.deferred_.reject(new remoting.Error(remoting.Error.Tag.CANCELLED));
 }
 
@@ skipping 13 matching lines @@
     // clipboard-handling bug - http://crbug.com/281523.
     that.cancelButton_.focus();
     handler();
     base.dispose(that.eventHooks_);
     that.eventHooks_ = null;
     that.deferred_ = null;
   };
 };
 
 })();