Reland of [telemetry] Trace config should be used to disable periodic dumps

tools/perf/benchmarks/oortonline.py

Index: tools/perf/benchmarks/oortonline.py
diff --git a/tools/perf/benchmarks/oortonline.py b/tools/perf/benchmarks/oortonline.py
index cb88a55321085b58e866f3f83864d135558b60cd..810a1eb4db5a0533c9a87b9f48a8e00aa8717a6b 100644
--- a/tools/perf/benchmarks/oortonline.py
+++ b/tools/perf/benchmarks/oortonline.py
@@ -12,6 +12,7 @@ from telemetry.page import legacy_page_test
 from telemetry.value import scalar
 from telemetry.value import improvement_direction
 from telemetry.timeline import chrome_trace_category_filter
+from telemetry.timeline import chrome_trace_config
 from telemetry.web_perf import timeline_based_measurement
 
 
@@ -63,13 +64,6 @@ class OortOnlineTBMv2(perf_benchmark.PerfBenchmark):
 
   page_set = page_sets.OortOnlineTBMPageSet
 
-  def SetExtraBrowserOptions(self, options):
-    options.AppendExtraBrowserArgs([
-        # TODO(perezju): Temporary workaround to disable periodic memory dumps.
-        # See: http://crbug.com/513692
-        '--enable-memory-benchmarking',
-    ])
-
   def CreateTimelineBasedMeasurementOptions(self):
     categories = [
       # Implicitly disable all categories.
@@ -95,6 +89,9 @@ class OortOnlineTBMv2(perf_benchmark.PerfBenchmark):
     options = timeline_based_measurement.Options(category_filter)
     options.SetTimelineBasedMetrics([
         'gcMetric', 'memoryMetric', 'responsivenessMetric'])
+    # Setting an empty memory dump config disables periodic dumps.
+    options.config.chrome_trace_config.SetMemoryDumpConfig(
+        chrome_trace_config.MemoryDumpConfig())
     return options
 
   @classmethod