[autotest] Inline helper methods

BUG=chromium:672348
TEST=None

Change-Id: I3c2457e578edd44a763014936fa70e351fce5924
Reviewed-on: https://chromium-review.googlesource.com/453269
Commit-Ready: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
diff --git a/server/cros/dynamic_suite/suite.py b/server/cros/dynamic_suite/suite.py
index 59aa641..a324a33 100644
--- a/server/cros/dynamic_suite/suite.py
+++ b/server/cros/dynamic_suite/suite.py
@@ -555,25 +555,17 @@
         return (path for path in paths if not matcher.match(path))
 
 
-    def _nonbatch_get_control_file_texts(self, paths):
-        """Get control file content for given files.
-
-        @param paths: iterable of control file paths
-        @returns: generator yielding (path, text) tuples
-        """
-        for path in paths:
-            yield path, self._cf_getter.get_control_file_contents(path)
-
-
     def _get_control_file_texts_for_suite(self, suite_name):
         """Get control file content for given suite.
 
         @param suite_name: If specified, this method will attempt to restrain
                            the search space to just this suite's control files.
+        @returns: generator yielding (path, text) tuples
         """
         files = self._cf_getter.get_control_file_list(suite_name=suite_name)
         filtered_files = self._filter_cf_paths(files)
-        return self._nonbatch_get_control_file_texts(filtered_files)
+        for path in filtered_files:
+            yield path, self._cf_getter.get_control_file_contents(path)
 
 
 class _BatchControlFileRetriever(_ControlFileRetriever):
@@ -585,22 +577,12 @@
 
         @param suite_name: If specified, this method will attempt to restrain
                            the search space to just this suite's control files.
+        @returns: generator yielding (path, text) tuples
         """
         suite_info = self._cf_getter.get_suite_info(suite_name=suite_name)
         files = suite_info.keys()
         filtered_files = self._filter_cf_paths(files)
-        return self._batch_get_control_file_texts(
-                suite_info, filtered_files)
-
-
-    def _batch_get_control_file_texts(self, suite_info, paths):
-        """Get control file content for given files.
-
-        @param suite_info: dict mapping paths to control file text
-        @param paths: iterable of control file paths
-        @returns: generator yielding (path, text) tuples
-        """
-        for path in paths:
+        for path in filtered_files:
             yield path, suite_info[path]