Integration test for Chrome-Proxy: pass-through directive

tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py

 # Copyright 2014 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 common.chrome_proxy_benchmark import ChromeProxyBenchmark
 from integration_tests import chrome_proxy_pagesets as pagesets
 from integration_tests import chrome_proxy_measurements as measurements
 from telemetry import benchmark
 from telemetry.core.backends.chrome import android_browser_finder
 from telemetry.core.backends.chrome import cros_browser_finder
@@ skipping 40 matching lines @@
 class ChromeProxyExpDirective(ChromeProxyBenchmark):
   tag = 'exp_directive'
   test = measurements.ChromeProxyExpDirective
   page_set = pagesets.ExpDirectivePageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.exp_directive.exp_directive'
 
 
+class ChromeProxyPassThrough(ChromeProxyBenchmark):
+  tag = 'pass_through'
+  test = measurements.ChromeProxyPassThrough
+  page_set = pagesets.PassThroughPageSet
+
+  @classmethod
+  def Name(cls):
+    return 'chrome_proxy_benchmark.pass_through.pass_through'
+
+
 class ChromeProxyBypass(ChromeProxyBenchmark):
   tag = 'bypass'
   test = measurements.ChromeProxyBypass
   page_set = pagesets.BypassPageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.bypass.bypass'
 
 
@@ skipping 127 matching lines @@
   benchmarks, then compares their results.
   """
 
   tag = 'video'
   test = measurements.ChromeProxyVideoValidation
   page_set = pagesets.VideoComparePageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.video.compare'