Run jshint over all JavaScript files

ports/gimp-app/Xsdl.js

 /*
  * Copyright 2015 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
+/* globals NaClTerm, NaClProcessManager */
+
+'use strict';
+
 NaClTerm.nmf = 'Xsdl.nmf';
 NaClTerm.argv = [
   '-screen', '1140x810x32', '-ac', '-br', '-noreset', ':42'
 ];
 NaClTerm.env = [
   'NACL_SPAWN_MODE=embed',
   'NACL_EMBED_WIDTH=100%',
   'NACL_EMBED_HEIGHT=100%',
 ];
 document.title = 'Loading ... (this may take a while)';
 
 var mgr = new NaClProcessManager();
 mgr.onTerminalResize(80, 24);
 var env = [
   'DISPLAY=:42',
 ];
 
 // TODO(bradnelson): Do something more robust than racing gtk + xserver.
 function startDemo() {
   // Assume a default terminal size for headless processes.
   mgr.spawn(
       'gimp.nmf', [  '-f','--no-shm', '--display=:42','--no-cpu-accel',
       '--new-instance',], env, '/', 'nacl', null, function(pid) {
     mgr.waitpid(pid, 0, function() {
       window.close();
     });
   });
-  window.setTimeout(function(){document.title = 'Gimp'}, 25000);
+  window.setTimeout(function() { document.title = 'Gimp'; }, 25000);
 }
 
 function startWindowManager() {
   mgr.spawn(
       'twm.nmf', [""], env,
       '/', 'nacl', null, function(pid) {
     mgr.waitpid(pid, 0, function() {
       window.close();
     });
   });
 }
 
 startDemo();
-window.setTimeout(function() {startWindowManager()}, 5000);
+window.setTimeout(startWindowManager, 5000);