[Chromoting] Enable remoting webapp main.html GN build.

remoting/remoting_all.gyp

 # Copyright 2015 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.
 
 {
   'includes': [
     'remoting_enable.gypi',
   ],
 
   'targets': [
@@ skipping 54 matching lines @@
           ],
         }],
         ['enable_me2me_host==1', {
           'dependencies': [
             '../remoting/remoting.gyp:remoting_me2me_host',
             '../remoting/remoting.gyp:remoting_me2me_host_archive',
             '../remoting/remoting.gyp:remoting_me2me_host_static',
             '../remoting/remoting.gyp:remoting_me2me_native_messaging_host',
           ],
         }],
+        # TODO(GYP) Depends on crbug.com/471924 being fixed for PNaCl.
+        ['disable_nacl==0 and disable_nacl_untrusted==0', {
+          'dependencies': [
+             '../remoting/remoting.gyp:remoting_key_tester',
+          ],
+        }],
       ],
 
     },  # end of target 'remoting_all'
   ],  # end of targets
 }