Add integration tests for QUIC

tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py

Index: tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py
diff --git a/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py b/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py
index 05f43a175af74ec264c8791f0cd9722093c1f756..d9032b4b9dddfd340a628722c27e029fd2453a88 100644
--- a/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py
+++ b/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py
@@ -264,6 +264,14 @@ class ChromeProxySmoke(ChromeProxyBenchmark):
   def Name(cls):
     return 'chrome_proxy_benchmark.smoke.smoke'
 
+class ChromeProxyQuicSmoke(ChromeProxyBenchmark):
+  tag = 'smoke'
+  test = measurements.ChromeProxyQuicSmoke
+  page_set = pagesets.SmokeStorySet
+
+  @classmethod
+  def Name(cls):
+    return 'chrome_proxy_benchmark.quic.smoke'
 
 class ChromeProxyClientConfig(ChromeProxyBenchmark):
   tag = 'client_config'
@@ -346,3 +354,14 @@ class ChromeProxyPingback(ChromeProxyBenchmark):
   @classmethod
   def Name(cls):
     return 'chrome_proxy_benchmark.pingback'
+
+class ChromeProxyQuicTransaction(ChromeProxyBenchmark):
+  """Check that Chrome uses QUIC correctly when connecting to a proxy
+  that supports QUIC. """
+  tag = 'quic-proxy'
+  test = measurements.ChromeProxyQuicTransaction
+  page_set = pagesets.QuicStorySet
+
+  @classmethod
+  def Name(cls):
+    return 'chrome_proxy_benchmark.quic.transaction'