Revert 182991

tools/perf/perf_tools/loading_benchmark.py

 # Copyright (c) 2012 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 collections
 
-from telemetry.core import util
-from telemetry.page import multi_page_benchmark
+from telemetry import multi_page_benchmark
+from telemetry import util
 
 class LoadingBenchmark(multi_page_benchmark.MultiPageBenchmark):
   @property
   def results_are_the_same_on_every_page(self):
     return False
 
   def WillNavigateToPage(self, page, tab):
     tab.StartTimelineRecording()
 
   def MeasurePage(self, page, tab, results):
@@ skipping 24 matching lines @@
     for e in events:
       events_by_name[e.name].append(e)
 
     for key, group in events_by_name.items():
       times = [e.self_time_ms for e in group]
       total = sum(times)
       biggest_jank = max(times)
       results.Add(key, 'ms', total)
       results.Add(key + '_max', 'ms', biggest_jank)
       results.Add(key + '_avg', 'ms', total / len(times))