Revert of [Telemetry] Remove empty action_name_to_run for Startup, SessionRestore

tools/perf/benchmarks/session_restore.py

Index: tools/perf/benchmarks/session_restore.py
diff --git a/tools/perf/benchmarks/session_restore.py b/tools/perf/benchmarks/session_restore.py
index 59a96ad64a6ffe49a0f55fc28805d24351ca881a..305396c038bfbd1083055ee076f3c1e19dd6e83d 100644
--- a/tools/perf/benchmarks/session_restore.py
+++ b/tools/perf/benchmarks/session_restore.py
@@ -38,14 +38,12 @@
     is_cold = (self.tag == 'cold')
     return self.test(cold=is_cold)
 
-  def CreatePageSet(self, options):
-    return page_sets.Typical25PageSet(make_pages_with_no_interactions=True)
-
 # crbug.com/325479, crbug.com/381990
 @benchmark.Disabled('android', 'linux', 'reference')
 class SessionRestoreColdTypical25(_SessionRestoreTest):
   tag = 'cold'
   test = session_restore.SessionRestore
+  page_set = page_sets.Typical25PageSet
   options = {'pageset_repeat': 5}
 
 
@@ -54,4 +52,5 @@
 class SessionRestoreWarmTypical25(_SessionRestoreTest):
   tag = 'warm'
   test = session_restore.SessionRestore
+  page_set = page_sets.Typical25PageSet
   options = {'pageset_repeat': 20}