Revert 182991

tools/perf/perf_tools/smoothness_benchmark_unittest.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.
+from telemetry import multi_page_benchmark_unittest_base
+from telemetry import page
 from perf_tools import smoothness_benchmark
-from telemetry.page import multi_page_benchmark_unittest_base
-from telemetry.page import page
-from telemetry.page.page_benchmark_results import PageBenchmarkResults
+
+from telemetry.page_benchmark_results import PageBenchmarkResults
 
 class SmoothnessBenchmarkUnitTest(
   multi_page_benchmark_unittest_base.MultiPageBenchmarkUnitTestBase):
 
   def testFirstPaintTimeMeasurement(self):
     ps = self.CreatePageSetFromFileInUnittestDataDir('scrollable_page.html')
 
     benchmark = smoothness_benchmark.SmoothnessBenchmark()
     all_results = self.RunBenchmark(benchmark, ps)
 
@@ skipping 71 matching lines @@
     benchmark = smoothness_benchmark.SmoothnessBenchmark()
     benchmark.use_gpu_benchmarking_extension = False
     all_results = self.RunBenchmark(benchmark, ps)
 
     self.assertEqual(0, len(all_results.page_failures))
     self.assertEqual(1, len(all_results.page_results))
     results0 = all_results.page_results[0]
 
     self.assertTrue('dropped_percent' in results0)
     self.assertTrue('mean_frame_time' in results0)