Move all generic Chromium expected results to the generic location

Tools/Scripts/webkitpy/layout_tests/port/chromium_linux.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 27 matching lines @@
 
 class ChromiumLinuxPort(chromium.ChromiumPort):
     port_name = 'chromium-linux'
 
     SUPPORTED_ARCHITECTURES = ('x86', 'x86_64')
 
     FALLBACK_PATHS = {
         'x86_64': [
             'chromium-linux',
             'chromium-win',
-            'chromium',
         ],
         'x86': [
             'chromium-linux-x86',
             'chromium-linux',
             'chromium-win',
-            'chromium',
         ],
     }
 
     DEFAULT_BUILD_DIRECTORIES = ('sconsbuild', 'out')
 
     @classmethod
     def _determine_driver_path_statically(cls, host, options):
         config_object = config.Config(host.executive, host.filesystem)
         build_directory = getattr(options, 'build_directory', None)
         webkit_base = WebKitFinder(host.filesystem).webkit_base()
@@ skipping 96 matching lines @@
 
     def _path_to_lighttpd_php(self):
         return "/usr/bin/php-cgi"
 
     def _path_to_driver(self, configuration=None):
         binary_name = self.driver_name()
         return self._build_path_with_configuration(configuration, binary_name)
 
     def _path_to_helper(self):
         return None