Integration test for “lo-fi” mode in Chrome-Proxy request header

tools/chrome_proxy/integration_tests/chrome_proxy_measurements.py

Index: tools/chrome_proxy/integration_tests/chrome_proxy_measurements.py
diff --git a/tools/chrome_proxy/integration_tests/chrome_proxy_measurements.py b/tools/chrome_proxy/integration_tests/chrome_proxy_measurements.py
index 10ed99b2bb2bc00b0d9459b18406abc0cf3c105a..015e57d12cde328ddab782b0747e2486716ab820 100644
--- a/tools/chrome_proxy/integration_tests/chrome_proxy_measurements.py
+++ b/tools/chrome_proxy/integration_tests/chrome_proxy_measurements.py
@@ -18,6 +18,9 @@ class ChromeProxyLatency(page_test.PageTest):
   def __init__(self, *args, **kwargs):
     super(ChromeProxyLatency, self).__init__(*args, **kwargs)
 
+  def CustomizeBrowserOptions(self, options):
+    options.AppendExtraBrowserArgs('--enable-spdy-proxy-auth')
+
   def WillNavigateToPage(self, page, tab):
     tab.ClearCache(force=True)
 
@@ -28,11 +31,14 @@ class ChromeProxyLatency(page_test.PageTest):
 
 
 class ChromeProxyDataSaving(page_test.PageTest):
-  """Chrome proxy data daving measurement."""
+  """Chrome proxy data saving measurement."""
   def __init__(self, *args, **kwargs):
     super(ChromeProxyDataSaving, self).__init__(*args, **kwargs)
     self._metrics = metrics.ChromeProxyMetric()
 
+  def CustomizeBrowserOptions(self, options):
+    options.AppendExtraBrowserArgs('--enable-spdy-proxy-auth')
+
   def WillNavigateToPage(self, page, tab):
     tab.ClearCache(force=True)
     self._metrics.Start(page, tab)
@@ -287,6 +293,20 @@ class ChromeProxyClientType(ChromeProxyValidation):
                                           self._page.bypass_for_client_type)
 
 
+class ChromeProxyLoFi(ChromeProxyValidation):
+  """Correctness measurement for Lo-Fi in Chrome-Proxy header."""
+
+  def __init__(self):
+    super(ChromeProxyLoFi, self).__init__(restart_after_each_page=True)
+
+  def CustomizeBrowserOptions(self, options):
+    super(ChromeProxyLoFi, self).CustomizeBrowserOptions(options)
+    options.AppendExtraBrowserArgs('--enable-data-reduction-proxy-lo-fi')
+
+  def AddResults(self, tab, results):
+    self._metrics.AddResultsForLoFi(tab, results)
+
+
 class ChromeProxyHTTPToDirectFallback(ChromeProxyValidation):
   """Correctness measurement for HTTP proxy fallback to direct."""