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

remoting/webapp/base/js/application.js

Index: remoting/webapp/base/js/application.js
diff --git a/remoting/webapp/base/js/application.js b/remoting/webapp/base/js/application.js
index 7390d8c21314ea191eddd7f40c18f2dc73cbd675..fd88108c745a2815043530fd75495cc1f87f9795 100644
--- a/remoting/webapp/base/js/application.js
+++ b/remoting/webapp/base/js/application.js
@@ -13,9 +13,10 @@
 var remoting = remoting || {};
 
 /**
+ * @param {Array.<string>} app_features Array of application features.

[Jamie, 2015/02/02 22:57:47]

There's confusion in this file as to "features" vs. "capabilities"; particularly
in getRequiredCapabilities, where they are used interchangeably. We should be
consistent wrt naming.

[garykac, 2015/02/03 01:50:21]

Done.

  * @constructor
  */
-remoting.Application = function() {
+remoting.Application = function(app_features) {
   /**
    * @type {remoting.Application.Delegate}
    * @private
@@ -23,6 +24,12 @@ remoting.Application = function() {
   this.delegate_ = null;
 
   /**
+   * @type {Array.<string>}
+   * @private
+   */
+  this.app_features_ = app_features;
+
+  /**
    * @type {remoting.SessionConnector}
    * @private
    */
@@ -38,6 +45,25 @@ remoting.Application.prototype.setDelegate = function(appDelegate) {
 };
 
 /**
+ * @return {Array.<string>} A list of |ClientSession.Capability|s required
+ *     by this application.
+ */
+remoting.Application.prototype.getRequiredCapabilities = function() {
+  var capabilities = [
+    remoting.ClientSession.Capability.SEND_INITIAL_RESOLUTION,
+    remoting.ClientSession.Capability.RATE_LIMIT_RESIZE_REQUESTS,
+    remoting.ClientSession.Capability.VIDEO_RECORDER
+  ];
+  if (this.app_features_.indexOf('cast') != -1) {
+    capabilities.push(remoting.ClientSession.Capability.CAST);
+  }
+  if (this.app_features_.indexOf('gdrive') != -1) {
+    capabilities.push(remoting.ClientSession.Capability.GOOGLE_DRIVE);
+  }
+  return capabilities;
+};
+
+/**
  * Initialize the application and register all event handlers. After this
  * is called, the app is running and waiting for user events.
  *
@@ -153,7 +179,7 @@ remoting.Application.prototype.getSessionConnector = function() {
         this.onError.bind(this),
         this.onExtensionMessage.bind(this),
         this.onConnectionFailed.bind(this),
-        this.delegate_.getRequiredCapabilities(),
+        this.getRequiredCapabilities(),
         this.delegate_.getDefaultRemapKeys());
   }
   return this.session_connector_;
@@ -180,12 +206,6 @@ remoting.Application.Delegate.prototype.init = function(connector) {};
 remoting.Application.Delegate.prototype.getDefaultRemapKeys = function() {};
 
 /**
- * @return {Array.<string>} A list of |ClientSession.Capability|s required
- *     by this application.
- */
-remoting.Application.Delegate.prototype.getRequiredCapabilities = function() {};
-
-/**
  * Called when a new session has been connected.
  *
  * @param {remoting.ClientSession} clientSession