TimelineBasedMeasurement(object) instead of TimelineBasedMeasurement(page_test.PageTest)

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 305396c038bfbd1083055ee076f3c1e19dd6e83d..2591c0bc249876f059a4c2a0a84f7b94ec5dd3fb 100644
--- a/tools/perf/benchmarks/session_restore.py
+++ b/tools/perf/benchmarks/session_restore.py
@@ -36,13 +36,12 @@ class _SessionRestoreTest(benchmark.Benchmark):
 
   def CreatePageTest(self, options):
     is_cold = (self.tag == 'cold')
-    return self.test(cold=is_cold)
+    return session_restore.SessionRestore(cold=is_cold)
 
 # 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}
 
@@ -51,6 +50,5 @@ class SessionRestoreColdTypical25(_SessionRestoreTest):
 @benchmark.Disabled('android', 'linux', 'reference')
 class SessionRestoreWarmTypical25(_SessionRestoreTest):
   tag = 'warm'
-  test = session_restore.SessionRestore
   page_set = page_sets.Typical25PageSet
   options = {'pageset_repeat': 20}