[Chromoting] Add ability to enable/disable GDrive support per-app in gyp.

remoting/webapp/app_remoting/js/app_remoting.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
  * This class implements the functionality that is specific to application
  * remoting ("AppRemoting" or AR).
  */
 
@@ skipping 196 matching lines @@
 remoting.AppRemoting.prototype.getDefaultRemapKeys = function() {
   // Map Cmd to Ctrl on Mac since hosts typically use Ctrl for keyboard
   // shortcuts, but we want them to act as natively as possible.
   if (remoting.platformIsMac()) {
     return '0x0700e3>0x0700e0,0x0700e7>0x0700e4';
   }
   return '';
 };
 
 /**
- * @return {Array.<string>} A list of |ClientSession.Capability|s required
- *     by this application.
- */
-remoting.AppRemoting.prototype.getRequiredCapabilities = function() {
-  return [
-    remoting.ClientSession.Capability.SEND_INITIAL_RESOLUTION,
-    remoting.ClientSession.Capability.RATE_LIMIT_RESIZE_REQUESTS,
-    remoting.ClientSession.Capability.VIDEO_RECORDER,
-    remoting.ClientSession.Capability.GOOGLE_DRIVE
-  ];
-};
-
-/**
  * Called when a new session has been connected.
  *
  * @param {remoting.ClientSession} clientSession
  * @return {void} Nothing.
  */
 remoting.AppRemoting.prototype.handleConnected = function(clientSession) {
   remoting.clientSession.sendClientMessage(
       'setUserDisplayInfo',
       JSON.stringify({fullName: remoting.identity.getCachedUserFullName()}));
 
@@ skipping 107 matching lines @@
   remoting.MessageWindow.showErrorMessage(
       chrome.i18n.getMessage(/*i18n-content*/'CONNECTION_FAILED'),
       chrome.i18n.getMessage(/** @type {string} */ (errorTag)));
 };
 
 /** @return {string} */
 remoting.AppRemoting.prototype.runApplicationUrl = function() {
   return remoting.settings.APP_REMOTING_API_BASE_URL + '/applications/' +
       remoting.settings.getAppRemotingApplicationId() + '/run';
 };