Docserver: Add @Cache annotation to CompiledFileSystem

chrome/common/extensions/docs/server2/sidenav_data_source_test.py

Index: chrome/common/extensions/docs/server2/sidenav_data_source_test.py
diff --git a/chrome/common/extensions/docs/server2/sidenav_data_source_test.py b/chrome/common/extensions/docs/server2/sidenav_data_source_test.py
index 4422acdce2c86720e963553e6bac969be0c6feaa..fc1b31a591e1ca2fb57b2a3ba22dc83c5c8b83b8 100755
--- a/chrome/common/extensions/docs/server2/sidenav_data_source_test.py
+++ b/chrome/common/extensions/docs/server2/sidenav_data_source_test.py
@@ -149,11 +149,11 @@ class SamplesDataSourceTest(unittest.TestCase):
         ServerInstance.ForTest(file_system), request=None)
     sidenav_data_source.Cron().Get()
 
-    # If Cron fails, chrome_sidenav.json will not be cached, and the _cache_data
+    # If Cron fails, chrome_sidenav.json will not be cached, and the cache_data
     # access will fail.
     # TODO(jshumway): Make a non hack version of this check.
     sidenav_data_source._cache._file_object_store.Get(
-        '%schrome_sidenav.json' % JSON_TEMPLATES).Get()._cache_data
+        '%schrome_sidenav.json' % JSON_TEMPLATES).Get().cache_data
 
 
 if __name__ == '__main__':