Check in the thirdparty libs needed for webkitpy.

Tools/Scripts/webkitpy/thirdparty/logilab/astng/brain/py2mechanize.py

Index: Tools/Scripts/webkitpy/thirdparty/logilab/astng/brain/py2mechanize.py
diff --git a/Tools/Scripts/webkitpy/thirdparty/logilab/astng/brain/py2mechanize.py b/Tools/Scripts/webkitpy/thirdparty/logilab/astng/brain/py2mechanize.py
new file mode 100644
index 0000000000000000000000000000000000000000..50f718e71224f60045419d13f4bfca5706ec74ef
--- /dev/null
+++ b/Tools/Scripts/webkitpy/thirdparty/logilab/astng/brain/py2mechanize.py
@@ -0,0 +1,20 @@
+from logilab.astng import MANAGER
+from logilab.astng.builder import ASTNGBuilder
+
+def mechanize_transform(module):
+    fake = ASTNGBuilder(MANAGER).string_build('''
+
+class Browser(object):
+    def open(self, url, data=None, timeout=None):
+        return None
+    def open_novisit(self, url, data=None, timeout=None):
+        return None
+    def open_local_file(self, filename):
+        return None
+
+''')
+    module.locals['Browser'] = fake.locals['Browser']
+
+import py2stdlib
+py2stdlib.MODULE_TRANSFORMS['mechanize'] = mechanize_transform
+