A workaround to close currently opened menu. Send escape key if screen locker fails to grab input.

remoting/remoting.gyp

 # Copyright (c) 2010 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': {
     'chromium_code': 1,
   },
 
   'target_defaults': {
@@ skipping 214 matching lines @@
           'sources': [
             'host/capturer_linux.cc',
             'host/capturer_linux.h',
             'host/event_executor_linux.cc',
             'host/event_executor_linux.h',
           ],
           'link_settings': {
             'libraries': [
               '-lX11',
               '-lXdamage',
-              '-lXtst',
             ],
           },
+          'dependencies': [
+            '../build/linux/system.gyp:xtst',
+          ],
         }],
         ['OS=="mac"', {
           'sources': [
             'host/capturer_mac.cc',
             'host/capturer_mac.h',
             'host/event_executor_mac.cc',
             'host/event_executor_mac.h',
           ],
           'link_settings': {
             'libraries': [
@@ skipping 274 matching lines @@
       ],  # end of 'conditions'
     },  # end of target 'chromoting_unittests'
   ],  # end of targets
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: