Integration test for exp Chrome-Proxy request option

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 integration_tests import chrome_proxy_measurements as measurements
 from integration_tests import chrome_proxy_pagesets as pagesets
 from telemetry import benchmark
 from telemetry.core.backends.chrome import android_browser_finder
 
 
@@ skipping 106 matching lines @@
 class ChromeProxyLoFi(benchmark.Benchmark):
   tag = 'lo_fi'
   test = measurements.ChromeProxyLoFi
   page_set = pagesets.LoFiPageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.lo_fi.lo_fi'
 
 
+class ChromeProxyExpDirective(benchmark.Benchmark):
+  tag = 'exp_directive'
+  test = measurements.ChromeProxyExpDirective
+  page_set = pagesets.ExpDirectivePageSet
+
+  @classmethod
+  def Name(cls):
+    return 'chrome_proxy_benchmark.exp_directive.exp_directive'
+
+
 class ChromeProxyBypass(benchmark.Benchmark):
   tag = 'bypass'
   test = measurements.ChromeProxyBypass
   page_set = pagesets.BypassPageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.bypass.bypass'
 
 
@@ skipping 82 matching lines @@
 
 
 class ChromeProxySmoke(benchmark.Benchmark):
   tag = 'smoke'
   test = measurements.ChromeProxySmoke
   page_set = pagesets.SmokePageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.smoke.smoke'