[Telemetry] Rename interaction_record field of value to tir_label.

tools/telemetry/telemetry/value/__init__.py

Index: tools/telemetry/telemetry/value/__init__.py
diff --git a/tools/telemetry/telemetry/value/__init__.py b/tools/telemetry/telemetry/value/__init__.py
index 474a9b4e77536d64f5d34bf417c421a797424116..77324c5658e143ab94a19191cc8505bce3371f8d 100644
--- a/tools/telemetry/telemetry/value/__init__.py
+++ b/tools/telemetry/telemetry/value/__init__.py
@@ -43,7 +43,7 @@ class Value(object):
   """An abstract value produced by a telemetry page test.
   """
   def __init__(self, page, name, units, important, description,
-               interaction_record):
+               tir_label):
     """A generic Value object.
 
     Args:
@@ -57,7 +57,7 @@ class Value(object):
           by default in downstream UIs.
       description: A string explaining in human-understandable terms what this
           value represents.
-      interaction_record: The string label of the TimelineInteractionRecord with
+      tir_label: The string label of the TimelineInteractionRecord with
           which this value is associated.
     """
     # TODO(eakuefner): Check user story here after migration (crbug.com/442036)
@@ -69,9 +69,9 @@ class Value(object):
       raise ValueError('important field of Value must be bool.')
     if not ((description is None) or isinstance(description, basestring)):
       raise ValueError('description field of Value must absent or string.')
-    if not ((interaction_record is None) or
-            isinstance(interaction_record, basestring)):
-      raise ValueError('interaction_record field of Value must absent or '
+    if not ((tir_label is None) or
+            isinstance(tir_label, basestring)):
+      raise ValueError('tir_label field of Value must absent or '
                        'string.')
 
     self.page = page
@@ -79,13 +79,13 @@ class Value(object):
     self.units = units
     self.important = important
     self.description = description
-    self.interaction_record = interaction_record
+    self.tir_label = tir_label
 
   def IsMergableWith(self, that):
     return (self.units == that.units and
             type(self) == type(that) and
             self.important == that.important and
-            self.interaction_record == that.interaction_record)
+            self.tir_label == that.tir_label)
 
   @classmethod
   def MergeLikeValuesFromSamePage(cls, values):
@@ -205,8 +205,8 @@ class Value(object):
     if self.description:
       d['description'] = self.description
 
-    if self.interaction_record:
-      d['interaction_record'] = self.interaction_record
+    if self.tir_label:
+      d['tir_label'] = self.tir_label
 
     if self.page:
       d['page_id'] = self.page.id
@@ -294,11 +294,11 @@ class Value(object):
 
     d['important'] = False
 
-    interaction_record = value_dict.get('interaction_record', None)
-    if interaction_record:
-      d['interaction_record'] = interaction_record
+    tir_label = value_dict.get('tir_label', None)
+    if tir_label:
+      d['tir_label'] = tir_label
     else:
-      d['interaction_record'] = None
+      d['tir_label'] = None
 
     return d