win: Check in outputs of mc.exe and midl.exe.

TBR=dpranke

Bug: 756607
Change-Id: I7eabc0f81e78037faaef64eb1a2315ef7378b3ed
Reviewed-on: https://chromium-review.googlesource.com/622474
Commit-Queue: Nico Weber <[email protected]>
Reviewed-by: Chris Palmer <[email protected]>
Reviewed-by: Scott Graham <[email protected]>
Cr-Commit-Position: refs/heads/master@{#498898}
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index de5d9cb..fbcbd549 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -1509,6 +1509,7 @@
   # matching the above patterns, which trigger false positives.
   exclude_paths = [
       'third_party/crashpad/*',
+      'third_party/win_build_output/*',
   ]
 
   # Dictionary mapping an OWNERS file path to Patterns.