Revert 182991

tools/telemetry/telemetry/core/chrome/timeline_model.py

Index: tools/telemetry/telemetry/core/chrome/timeline_model.py
===================================================================
--- tools/telemetry/telemetry/core/chrome/timeline_model.py	(revision 182999)
+++ tools/telemetry/telemetry/core/chrome/timeline_model.py	(working copy)
@@ -1,23 +0,0 @@
-# Copyright (c) 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-class TimelineModel(object):
-  def __init__(self):
-    self._events = []
-    self._frozen = False
-
-  def AddEvent(self, event):
-    if self._frozen:
-      raise Exception("Cannot add events once recording is done")
-    self._events.extend(
-      event.GetAllChildrenRecursive(include_self=True))
-
-  def DidFinishRecording(self):
-    self._frozen = True
-
-  def GetAllEvents(self):
-    return self._events
-
-  def GetAllOfName(self, name):
-    return [e for e in self._events if e.name == name]