Update indexeddb_perf to use results.AddValue(...)

tools/perf/benchmarks/indexeddb_perf.py

Index: tools/perf/benchmarks/indexeddb_perf.py
diff --git a/tools/perf/benchmarks/indexeddb_perf.py b/tools/perf/benchmarks/indexeddb_perf.py
index ec93f9a50e5e98448dbd0f590c05777669693970..75e3632a14a4fed2ff46c9885b447de73378ff78 100644
--- a/tools/perf/benchmarks/indexeddb_perf.py
+++ b/tools/perf/benchmarks/indexeddb_perf.py
@@ -29,6 +29,7 @@ from telemetry import benchmark
 from telemetry.core import util
 from telemetry.page import page_measurement
 from telemetry.page import page_set
+from telemetry.value import scalar
 
 _V8_COUNTER_NAMES = [
     'V8.OsMemoryAllocated',
@@ -76,9 +77,13 @@ class _IndexedDbMeasurement(page_measurement.PageMeasurement):
       if key == 'OverallTestDuration':
         continue
       msec = float(result_dict[key])
-      results.Add(key, 'ms', msec, data_type='unimportant')
+      results.AddValue(scalar.ScalarValue(
+          results.current_page, key, 'ms', msec, important=False))
+
       total += msec
-    results.Add('Total Perf', 'ms', total)
+    results.AddValue(scalar.ScalarValue(
+        results.current_page, 'Total Perf', 'ms', total))
+
 
   def CustomizeBrowserOptions(self, options):
     memory.MemoryMetric.CustomizeBrowserOptions(options)