Add data reduction proxy integration tests for video compression.

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
+from telemetry.core.backends.chrome import desktop_browser_finder
 
 
 ANDROID_CHROME_BROWSERS = [
   browser for browser in android_browser_finder.CHROME_PACKAGE_NAMES
     if 'webview' not in browser]
 
+DESKTOP_CHROME_BROWSERS = (desktop_browser_finder.FindAllBrowserTypes(None) +
+  cros_browser_finder.FindAllBrowserTypes(None))
 
 class ChromeProxyClientVersion(ChromeProxyBenchmark):
   tag = 'client_version'
   test = measurements.ChromeProxyClientVersion
   page_set = pagesets.SyntheticPageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.client_version.synthetic'
 
@@ skipping 79 matching lines @@
 # Safebrowsing is switched off for Android Webview and all desktop platforms.
 class ChromeProxySafeBrowsingOff(ChromeProxyBenchmark):
   tag = 'safebrowsing_off'
   test = measurements.ChromeProxySafebrowsingOff
   page_set = pagesets.SafebrowsingPageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.safebrowsing_off.safebrowsing'
 
+
 class ChromeProxyHTTPFallbackProbeURL(ChromeProxyBenchmark):
   tag = 'fallback_probe'
   test = measurements.ChromeProxyHTTPFallbackProbeURL
   page_set = pagesets.SyntheticPageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.fallback_probe.synthetic'
 
 
@@ skipping 29 matching lines @@
 
 
 class ChromeProxySmoke(ChromeProxyBenchmark):
   tag = 'smoke'
   test = measurements.ChromeProxySmoke
   page_set = pagesets.SmokePageSet
 
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.smoke.smoke'
+
+
+@benchmark.Enabled(*DESKTOP_CHROME_BROWSERS)
+class ChromeProxyVideoDirect(benchmark.Benchmark):
+  tag = 'video'
+  test = measurements.ChromeProxyVideoValidation
+  page_set = pagesets.VideoDirectPageSet
+
+  @classmethod
+  def Name(cls):
+    return 'chrome_proxy_benchmark.video.direct'
+
+
+@benchmark.Enabled(*DESKTOP_CHROME_BROWSERS)
+class ChromeProxyVideoProxied(benchmark.Benchmark):
+  tag = 'video'
+  test = measurements.ChromeProxyVideoValidation
+  page_set = pagesets.VideoProxiedPageSet
+
+  @classmethod
+  def Name(cls):
+    return 'chrome_proxy_benchmark.video.proxied'
+
+
+@benchmark.Enabled(*DESKTOP_CHROME_BROWSERS)
+class ChromeProxyVideoCompare(benchmark.Benchmark):
+  """Comparison of direct and proxied video fetches.
+
+  This benchmark runs the ChromeProxyVideoDirect and ChromeProxyVideoProxied
+  benchmarks, then compares their results.
+  """
+
+  tag = 'video'
+  test = measurements.ChromeProxyVideoValidation
+  page_set = pagesets.VideoComparePageSet
+
+  @classmethod
+  def Name(cls):
+    return 'chrome_proxy_benchmark.video.compare'