[Findit] Factoring the gitiles (etc) stuff out into its own directory

appengine/findit/gitiles/test/diff_test.py

Index: appengine/findit/gitiles/test/diff_test.py
diff --git a/appengine/findit/common/test/diff_test.py b/appengine/findit/gitiles/test/diff_test.py
similarity index 69%
rename from appengine/findit/common/test/diff_test.py
rename to appengine/findit/gitiles/test/diff_test.py
index 4c5f946aa30b636e3122f7a0cb8ecd3c178e00c2..84d57ea0eef34e38d6c55ae96b809a1b3379cd1a 100644
--- a/appengine/findit/common/test/diff_test.py
+++ b/appengine/findit/gitiles/test/diff_test.py
@@ -4,14 +4,13 @@
 
 import unittest
 
-from common import diff
-from common.diff import ChangeType
+from gitiles.diff import ChangeType, IsKnownChangeType
 
 class DiffTest(unittest.TestCase):
   def testKnownChangeTypes(self):
     for change_type in [ChangeType.ADD, ChangeType.DELETE, ChangeType.MODIFY,
                         ChangeType.COPY, ChangeType.RENAME]:
-      self.assertTrue(diff.IsKnownChangeType(change_type))
+      self.assertTrue(IsKnownChangeType(change_type))
 
   def testUnknownChangeType(self):
-    self.assertFalse(diff.IsKnownChangeType('unknown change type'))
+    self.assertFalse(IsKnownChangeType('unknown change type'))