Disable CheckSvnModifiedDirectories for now. It doesn't work well in third_party.

BUG=none
TEST=none
TBR=maruel
Review URL: http://codereview.chromium.org/246055

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@27710 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index f42176d..2c911db 100755
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -60,8 +60,9 @@
       input_api, output_api, sources))
   results.extend(input_api.canned_checks.CheckSvnForCommonMimeTypes(
       input_api, output_api))
-  results.extend(input_api.canned_checks.CheckSvnModifiedDirectories(
-      input_api, output_api, sources))
+  # TODO(thestig) temporarily disabled, doesn't work in third_party/
+  #results.extend(input_api.canned_checks.CheckSvnModifiedDirectories(
+  #    input_api, output_api, sources))
   # Make sure the tree is 'open'.
   # TODO(maruel): Run it in a separate thread to parallelize checks?
   results.extend(CheckTreeIsOpen(