Add a landmine to get rid of obselete test netscape plugins

build/get_landmines.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 """
 This file emits the list of reasons why a particular build needs to be clobbered
 (or a list of 'landmines').
 """
 
@@ skipping 31 matching lines @@
            'fixed in r240860.')
   if (platform() == 'win' and builder() == 'ninja' and
       gyp_msvs_version() == '2012' and
       gyp_defines().get('target_arch') == 'x64' and
       gyp_defines().get('dcheck_always_on') == '1'):
     print "Switched win x64 trybots from VS2010 to VS2012."
   if (platform() == 'win' and builder() == 'ninja' and
       gyp_msvs_version().startswith('2013')):
     print "Switched win from VS2010 to VS2013."
   print 'Need to clobber everything due to an IDL change in r154579 (blink)'
+  if (platform() != 'ios'):
+    print 'Clobber to get rid of obselete test plugin after r248358'
 
 
 def main():
   parser = optparse.OptionParser()
   parser.add_option('-t', '--target',
                     help=='Target for which the landmines have to be emitted')
 
   options, args = parser.parse_args()
 
   if args:
     parser.error('Unknown arguments %s' % args)
 
   print_landmines(options.target)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())