Add google-endpoints to third_party/.

third_party/google-endpoints/libfuturize/fixes/fix_basestring.py

Index: third_party/google-endpoints/libfuturize/fixes/fix_basestring.py
diff --git a/third_party/google-endpoints/libfuturize/fixes/fix_basestring.py b/third_party/google-endpoints/libfuturize/fixes/fix_basestring.py
new file mode 100644
index 0000000000000000000000000000000000000000..8c6ec6ced317b284db666408a5bf881ad094aa03
--- /dev/null
+++ b/third_party/google-endpoints/libfuturize/fixes/fix_basestring.py
@@ -0,0 +1,18 @@
+"""
+Fixer that adds ``from past.builtins import basestring`` if there is a
+reference to ``basestring``
+"""
+
+from lib2to3 import fixer_base
+
+from libfuturize.fixer_util import touch_import_top
+
+
+class FixBasestring(fixer_base.BaseFix):
+    BM_compatible = True
+
+    PATTERN = "'basestring'"
+
+    def transform(self, node, results):
+        touch_import_top(u'past.builtins', 'basestring', node)
+