Implement Timeline Based Measurement v2

telemetry/telemetry/value/summarizable.py

Index: telemetry/telemetry/value/summarizable.py
diff --git a/telemetry/telemetry/value/summarizable.py b/telemetry/telemetry/value/summarizable.py
index 828099b0beb57365d9f39ddd7469b6554fc90829..9cfcf46f9c2419224946eb0f2b1085aa4f948b45 100644
--- a/telemetry/telemetry/value/summarizable.py
+++ b/telemetry/telemetry/value/summarizable.py
@@ -9,10 +9,10 @@ from telemetry.value import (improvement_direction
 
 class SummarizableValue(value_module.Value):
   def __init__(self, page, name, units, important, description, tir_label,
-               improvement_direction):
+               improvement_direction, grouping_keys):
     """A summarizable value result from a test."""
     super(SummarizableValue, self).__init__(
-        page, name, units, important, description, tir_label)
+        page, name, units, important, description, tir_label, grouping_keys)
 # TODO(eakuefner): uncomment this assert after Telemetry clients are fixed.
 # Note: Telemetry unittests satisfy this assert.
 #    assert improvement_direction_module.IsValid(improvement_direction)