Disallow [ Missing ] expectations in test expectations files.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
index af8d62ca6ec4a2f45b077d03d1885a4844e32610..52c21aed3abf994fbd6d3f695bf2a1889b7fc358 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
@@ -928,7 +928,7 @@ class Port(object):
         """
         fs = self.host.filesystem
         if self.default_smoke_test_only():
-            smoke_test_filename = fs.join(self.layout_tests_dir(), 'SmokeTests')
+            smoke_test_filename = self.path_to_smoke_tests_file()
             if fs.exists(smoke_test_filename) and test not in fs.read_text_file(smoke_test_filename):
                 return True
 
@@ -941,6 +941,9 @@ class Port(object):
         return (SKIP in full_expectations.get_expectations(test) and
                 SKIP not in generic_expectations.get_expectations(test))
 
+    def path_to_smoke_tests_file(self):
+        return self.host.filesystem.join(self.layout_tests_dir(), 'SmokeTests')
+
     def _tests_from_skipped_file_contents(self, skipped_file_contents):
         tests_to_skip = []
         for line in skipped_file_contents.split('\n'):