wtf reformat test

third_party/WebKit/PRESUBMIT.py

Index: third_party/WebKit/PRESUBMIT.py
diff --git a/third_party/WebKit/PRESUBMIT.py b/third_party/WebKit/PRESUBMIT.py
index ca89625707527930245d17f28f2dd4f9d588bfc8..11ee6cfa857f37baee491923141bebd1e07a7c67 100644
--- a/third_party/WebKit/PRESUBMIT.py
+++ b/third_party/WebKit/PRESUBMIT.py
@@ -8,6 +8,7 @@ See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
 
+import os
 import sys
 
 
@@ -113,11 +114,22 @@ def _CheckTestExpectations(input_api, output_api):
 
 
 def _CheckStyle(input_api, output_api):
+    # Files in these directories aren't checked by check-webkit-style because
+    # they're checked by clang-format instead.
+    ignore = [
+        'third_party/WebKit/Source/wtf/',
+    ]
+
+    files = []
+    for f in input_api.AffectedFiles():
+        if any([f.LocalPath().startswith(os.path.normpath(d)) for d in ignore]):
+            continue
+        files.append(f.LocalPath())
+
     style_checker_path = input_api.os_path.join(input_api.PresubmitLocalPath(),
         'Tools', 'Scripts', 'check-webkit-style')
     args = ([input_api.python_executable, style_checker_path, '--diff-files']
-            + [input_api.os_path.join('..', '..', f.LocalPath())
-               for f in input_api.AffectedFiles()])
+            + [input_api.os_path.join('..', '..', f) for f in files])
     results = []
 
     try: