Revert of telemetry: Remove command line args from page test

tools/telemetry/telemetry/web_perf/timeline_based_measurement.py

Index: tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
diff --git a/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py b/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
index 136db6624afbac771ac6b8ebe815b8738a746604..e8782755030297e6adef06d7b96acec2f14bebda 100644
--- a/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
+++ b/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
@@ -134,24 +134,31 @@
   perf.metrics.timeline_interaction_record module.
 
   """
-  def __init__(self, overhead_level=NO_OVERHEAD_LEVEL):
+  def __init__(self):
     super(TimelineBasedMeasurement, self).__init__('RunPageInteractions')
-    self._overhead_level = overhead_level
+
+  @classmethod
+  def AddCommandLineArgs(cls, parser):
+    parser.add_option(
+        '--overhead-level', dest='overhead_level', type='choice',
+        choices=ALL_OVERHEAD_LEVELS,
+        default=NO_OVERHEAD_LEVEL,
+        help='How much overhead to incur during the measurement.')
 
   def WillNavigateToPage(self, page, tab):
     if not tab.browser.platform.tracing_controller.IsChromeTracingSupported(
         tab.browser):
       raise Exception('Not supported')
 
-    assert self._overhead_level in ALL_OVERHEAD_LEVELS
-    if self._overhead_level == NO_OVERHEAD_LEVEL:
+    assert self.options.overhead_level in ALL_OVERHEAD_LEVELS
+    if self.options.overhead_level == NO_OVERHEAD_LEVEL:
       category_filter = tracing_category_filter.CreateNoOverheadFilter()
     # TODO(ernstm): Remove this overhead level when benchmark relevant v8 events
     # become available in the 'benchmark' category.
-    elif self._overhead_level == V8_OVERHEAD_LEVEL:
+    elif self.options.overhead_level == V8_OVERHEAD_LEVEL:
       category_filter = tracing_category_filter.CreateNoOverheadFilter()
       category_filter.AddIncludedCategory('v8')
-    elif self._overhead_level == MINIMAL_OVERHEAD_LEVEL:
+    elif self.options.overhead_level == MINIMAL_OVERHEAD_LEVEL:
       category_filter = tracing_category_filter.CreateMinimalOverheadFilter()
     else:
       category_filter = tracing_category_filter.CreateDebugOverheadFilter()