[Chromoting] Enable jscompile for browser tests.

remoting/webapp/browser_test/mock_host_list_api.js

Index: remoting/webapp/browser_test/mock_host_list_api.js
diff --git a/remoting/webapp/browser_test/mock_host_list_api.js b/remoting/webapp/browser_test/mock_host_list_api.js
index 144c20fb397ad6a8190ae9a92b86557224b7d1c6..5f6dff1814d694d11b759ffd42b5cb928105d4f8 100644
--- a/remoting/webapp/browser_test/mock_host_list_api.js
+++ b/remoting/webapp/browser_test/mock_host_list_api.js
@@ -45,15 +45,18 @@ remoting.MockHostListApi = function() {
  * @param {function(remoting.Error):void} onError
  */
 remoting.MockHostListApi.prototype.get = function(onDone, onError) {
-  remoting.mockIdentity.validateTokenAndCall(onDone, onError, [this.hosts]);
+  remoting.mockIdentity.validateTokenAndCall(
+      /** @type {function():void} */ (onDone),
+      /** @type {function():void} */ (onError),
+      [this.hosts]);
 };
 
 /**
- * @param {function():void} onDone
- * @param {function(remoting.Error):void} onError
  * @param {string} hostId
  * @param {string} hostName
  * @param {string} hostPublicKey
+ * @param {function():void} onDone
+ * @param {function(remoting.Error):void} onError
  */
 remoting.MockHostListApi.prototype.put =
     function(hostId, hostName, hostPublicKey, onDone, onError) {
@@ -73,13 +76,16 @@ remoting.MockHostListApi.prototype.put =
                   ' (' + hostName + ')');
     onError(remoting.Error.UNEXPECTED);
   };
-  remoting.mockIdentity.validateTokenAndCall(onTokenValid, onError, []);
+  remoting.mockIdentity.validateTokenAndCall(
+      onTokenValid,
+      /** @type {function():void} */ (onError),
+      []);
 };
 
 /**
+ * @param {string} hostId
  * @param {function():void} onDone
  * @param {function(remoting.Error):void} onError
- * @param {string} hostId
  */
 remoting.MockHostListApi.prototype.remove =
     function(hostId, onDone, onError) {
@@ -97,7 +103,10 @@ remoting.MockHostListApi.prototype.remove =
     console.error('DELETE request for unknown host: ' + hostId);
     onError(remoting.Error.UNEXPECTED);
   };
-  remoting.mockIdentity.validateTokenAndCall(onTokenValid, onError, []);
+  remoting.mockIdentity.validateTokenAndCall(
+      onTokenValid,
+      /** @type {function():void} */ (onError),
+      []);
 };
 
 /**