Check in the thirdparty libs needed for webkitpy.

Tools/Scripts/webkitpy/thirdparty/mechanize/_urllib2.py

Index: Tools/Scripts/webkitpy/thirdparty/mechanize/_urllib2.py
diff --git a/Tools/Scripts/webkitpy/thirdparty/mechanize/_urllib2.py b/Tools/Scripts/webkitpy/thirdparty/mechanize/_urllib2.py
new file mode 100644
index 0000000000000000000000000000000000000000..29b7038dd49d33c82fba2685283f9ba044da1e37
--- /dev/null
+++ b/Tools/Scripts/webkitpy/thirdparty/mechanize/_urllib2.py
@@ -0,0 +1,50 @@
+# urllib2 work-alike interface
+# ...from urllib2...
+from urllib2 import \
+     URLError, \
+     HTTPError
+# ...and from mechanize
+from _auth import \
+     HTTPProxyPasswordMgr, \
+     HTTPSClientCertMgr
+from _debug import \
+     HTTPResponseDebugProcessor, \
+     HTTPRedirectDebugProcessor
+# crap ATM
+## from _gzip import \
+##      HTTPGzipProcessor
+from _urllib2_fork import \
+     AbstractBasicAuthHandler, \
+     AbstractDigestAuthHandler, \
+     BaseHandler, \
+     CacheFTPHandler, \
+     FileHandler, \
+     FTPHandler, \
+     HTTPBasicAuthHandler, \
+     HTTPCookieProcessor, \
+     HTTPDefaultErrorHandler, \
+     HTTPDigestAuthHandler, \
+     HTTPErrorProcessor, \
+     HTTPHandler, \
+     HTTPPasswordMgr, \
+     HTTPPasswordMgrWithDefaultRealm, \
+     HTTPRedirectHandler, \
+     ProxyBasicAuthHandler, \
+     ProxyDigestAuthHandler, \
+     ProxyHandler, \
+     UnknownHandler
+from _http import \
+     HTTPEquivProcessor, \
+     HTTPRefererProcessor, \
+     HTTPRefreshProcessor, \
+     HTTPRobotRulesProcessor, \
+     RobotExclusionError
+import httplib
+if hasattr(httplib, 'HTTPS'):
+    from _urllib2_fork import HTTPSHandler
+del httplib
+from _opener import OpenerDirector, \
+     SeekableResponseOpener, \
+     build_opener, install_opener, urlopen
+from _request import \
+     Request