Move telemetry/core/timeline and timeline_data to telemetry/timeline.

tools/telemetry/telemetry/core/timeline/event_container.py

Index: tools/telemetry/telemetry/core/timeline/event_container.py
diff --git a/tools/telemetry/telemetry/core/timeline/event_container.py b/tools/telemetry/telemetry/core/timeline/event_container.py
deleted file mode 100644
index d84cb29c8c06bbbae21f239c2836b4c41d2b61cf..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/timeline/event_container.py
+++ /dev/null
@@ -1,15 +0,0 @@
-# Copyright 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 TimelineEventContainer(object):
-  """Represents a container for events."""
-  def __init__(self, name, parent):
-    self.parent = parent
-    self.name = name
-
-  def IterChildContainers(self):
-    raise NotImplementedError()
-
-  def IterEventsInThisContainer(self):
-    raise NotImplementedError()