Check in the thirdparty libs needed for webkitpy.

Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/exception.py

Index: Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/exception.py
diff --git a/Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/exception.py b/Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/exception.py
new file mode 100644
index 0000000000000000000000000000000000000000..c6d6570d98c4f51db8ab46038fd500a4c36912ac
--- /dev/null
+++ b/Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/exception.py
@@ -0,0 +1,40 @@
+# Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+"""Common DNS Exceptions."""
+
+class DNSException(Exception):
+    """Abstract base class shared by all dnspython exceptions."""
+    pass
+
+class FormError(DNSException):
+    """DNS message is malformed."""
+    pass
+
+class SyntaxError(DNSException):
+    """Text input is malformed."""
+    pass
+
+class UnexpectedEnd(SyntaxError):
+    """Raised if text input ends unexpectedly."""
+    pass
+
+class TooBig(DNSException):
+    """The message is too big."""
+    pass
+
+class Timeout(DNSException):
+    """The operation timed out."""
+    pass