Set svn:executable bit on scripts that are executable.

chrome/tools/test/generate_mime_tests.pl

 #!/usr/bin/perl -w
+# 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.
+#
+# Technically, it's a third party.
+#
 # Copyright 2008, 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
@@ skipping 249 matching lines @@
     $query_description = get_query_description($parameter);
 
     open OUT, "> $infile" or die "Failed to open file $infile";
     print OUT "This tests loading of a $query_description when the HTTP content-type".
       " is set to \"$content_type\" .\n Expected : This page should have ".
       "$current_expected .\n\n";
     print OUT "<script>\n  window.location=\"$source\";\n</script>\n";
     close OUT;
   }
 }