Enable RDP integration by default when the curtain mode is enabled by the policy.

remoting/remoting.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     # TODO(dmaclach): can we pick this up some other way? Right now it's
     # duplicated from chrome.gyp
     'chromium_code': 1,
 
     'variables': {
       'conditions': [
         # Enable the multi-process host on Windows by default.
         ['OS=="win"', {
           'remoting_multi_process%': 1,
         }, {
           'remoting_multi_process%': 0,
         }],
       ],
     },
 
     'remoting_multi_process%': '<(remoting_multi_process)',
-    'remoting_rdp_session%': 0,
+    'remoting_rdp_session%': 1,
     'remoting_use_apps_v2%': 0,
 
     # The |major|, |build| and |patch| versions are inherited from Chrome.
     # Since Chrome's |minor| version is always '0', we replace it with a
     # Chromoting-specific patch version.
     # Note that we check both the |chrome_version_path| file and the
     # |remoting_version_path| so that we can override the Chrome version
     # numbers if needed.
     'version_py_path': '../chrome/tools/build/version.py',
     'remoting_version_path': '../remoting/VERSION',
@@ skipping 2658 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],  # end of 'toolkit_uses_gtk == 1'
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }