Add linux3 build support to chromium (base repository)

chrome/tools/process_dumps_linux.py

 #!/usr/bin/python
 # Copyright (c) 2011 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.
 
 """A tool to collect crash signatures for Chrome builds on Linux."""
 
 import fnmatch
 import optparse
 import os
@@ skipping 274 matching lines @@
                          'This argument overrides --architecture.')
   parser.add_option('', '--architecture', type='int', default=None,
                     help='Override automatic x86/x86-64 detection. '
                          'Valid values are 32 and 64')
   parser.add_option('', '--sym-module-name', type='string', default='chrome',
                     help='The module name for the symbol file.  '
                          'Default: chrome')
 
   (options, args) = parser.parse_args()
 
-  if sys.platform == 'linux2':
+  if sys.platform.startswith('linux'):
     sys.exit(main_linux(options, args))
   else:
     sys.exit(1)