Exclude benchmark tests from presubmit check in a non-git checkout.

tools/presubmit.py

Index: tools/presubmit.py
diff --git a/tools/presubmit.py b/tools/presubmit.py
index 1ab63477745846c7f8926efa0106b06caadd1fd5..9f4834c2190981b57e19df834fa2d3b4900a380b 100755
--- a/tools/presubmit.py
+++ b/tools/presubmit.py
@@ -191,7 +191,8 @@ class SourceFileProcessor(object):
     return True
 
   def IgnoreDir(self, name):
-    return name.startswith('.') or name == 'data' or name == 'sputniktests'
+    return (name.startswith('.') or
+            name in ('data', 'kraken', 'octane', 'sunspider'))
 
   def IgnoreFile(self, name):
     return name.startswith('.')
@@ -312,12 +313,8 @@ class SourceProcessor(SourceFileProcessor):
     return ['.']
 
   def IgnoreDir(self, name):
-    return (super(SourceProcessor, self).IgnoreDir(name)
-              or (name == 'third_party')
-              or (name == 'gyp')
-              or (name == 'out')
-              or (name == 'obj')
-              or (name == 'DerivedSources'))
+    return (super(SourceProcessor, self).IgnoreDir(name) or
+            name in ('third_party', 'gyp', 'out', 'obj', 'DerivedSources'))
 
   IGNORE_COPYRIGHTS = ['cpplint.py',
                        'daemon.py',