[Telemetry] Move telemetry from telemetry/timeline/trace_data to tracing/trace_data

telemetry/telemetry/core/tracing_controller_unittest.py

 # Copyright 2015 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.
 
 import time
 
 from battor import battor_wrapper
 from telemetry import decorators
 from telemetry.core import platform as platform_module
 from telemetry.testing import browser_test_case
 from telemetry.testing import tab_test_case
 from telemetry.timeline import model as model_module
 from telemetry.timeline import tracing_config
-from telemetry.timeline import trace_data as trace_data_module
+from tracing.trace_data import trace_data as trace_data_module
 
 
 class TracingControllerTest(tab_test_case.TabTestCase):
 
   @decorators.Isolated
   def testExceptionRaisedInStopTracing(self):
     tracing_controller = self._tab.browser.platform.tracing_controller
     config = tracing_config.TracingConfig()
     config.enable_chrome_trace = True
     tracing_controller.StartTracing(config)
@@ skipping 153 matching lines @@
     tracing_controller = self._browser.platform.tracing_controller
     config = tracing_config.TracingConfig()
     config.enable_battor_trace = True
     tracing_controller.StartTracing(config)
     # We wait 1s before starting and stopping tracing to avoid crbug.com/602266,
     # which would cause a crash otherwise.
     time.sleep(1)
     trace_data = tracing_controller.StopTracing()
     self.assertTrue(
         trace_data.HasTracesFor(trace_data_module.BATTOR_TRACE_PART))