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

tools/perf/metrics/speedindex_unittest.py

 # 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.
 
 # These tests access private methods in the speedindex module.
 # pylint: disable=W0212
 
 import json
 import os
 import unittest
 
 from telemetry.core import bitmap
-from telemetry.core.backends.chrome import inspector_timeline_data
-from telemetry.core.timeline import model
+from telemetry.timeline import inspector_timeline_data
+from telemetry.timeline import model
 from metrics import speedindex
 
 # Sample timeline data in the json format provided by devtools.
 # The sample events will be used in several tests below.
 _TEST_DIR = os.path.join(os.path.dirname(__file__), 'unittest_data')
 _SAMPLE_DATA = json.load(open(os.path.join(_TEST_DIR, 'sample_timeline.json')))
 _SAMPLE_TIMELINE_DATA = inspector_timeline_data.InspectorTimelineData(
     _SAMPLE_DATA)
 _SAMPLE_EVENTS = model.TimelineModel(
     timeline_data=_SAMPLE_TIMELINE_DATA).GetAllEvents()
@@ skipping 199 matching lines @@
 
   def test2ch(self):
     # Page: http://2ch.net/
     # This page has several paint events, including nested paint events.
     self._TestJsonTimelineExpectation(
         '2ch_repeat_timeline.json', (997, 650), 674.58)
 
 
 if __name__ == "__main__":
   unittest.main()