Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/crd/js/it2me_service.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
  * It2MeService listens to incoming connections requests from Hangouts
  * and the webapp and creates a It2MeHelperChannel between them.
  * It supports multiple helper sessions, but only a single helpee.
  */
@@ skipping 61 matching lines @@
     switch (port.name) {
       case ConnectionTypes.HELPER_HANGOUT:
         this.handleExternalHelperConnection_(port);
         return true;
       case ConnectionTypes.HELPEE_HANGOUT:
         this.handleExternalHelpeeConnection_(port);
         return true;
       default:
         throw new Error('Unsupported port - ' + port.name);
     }
-  } catch (e) {
-    var error = /**@type {Error} */ e;
+  } catch (/** @type {*} */ e) {
+    var error = /**@type {Error} */ (e);
     console.error(error);
     port.disconnect();
   }
   return false;
 };
 
 /**
  * @param {chrome.runtime.Port} port
  * @private
  */
@@ skipping 10 matching lines @@
     if (portName === ConnectionTypes.HELPER_WEBAPP && senderId !== undefined) {
       for (var i = 0; i < this.helpers_.length; i++) {
         var helper = this.helpers_[i];
         if (helper.instanceId() === senderId) {
           helper.onWebappConnect(port, senderId);
           return;
         }
       }
     }
     throw new Error('No matching hangout connection found for ' + port.name);
-  } catch (e) {
-    var error = /** @type {Error} */ e;
+  } catch (/** @type {*} */ e) {
+    var error = /** @type {Error} */ (e);
     console.error(error);
     port.disconnect();
   }
 };
 
 /**
  * @param {remoting.It2MeHelperChannel} helper
  */
 remoting.It2MeService.prototype.onHelperChannelDisconnected = function(helper) {
   for (var i = 0; i < this.helpers_.length; i++) {
@@ skipping 40 matching lines @@
     return;
   }
 
   console.log('Incoming helpee connection from Hangouts');
   this.helpee_ = new remoting.It2MeHelpeeChannel(
       hangoutPort,
       new remoting.It2MeHostFacade(),
       new remoting.HostInstaller(),
       this.onHelpeeChannelDisconnected.bind(this));
   this.helpee_.init();
-};
+};