Record errors that trigger a data reduction proxy bypass

net/http/http_response_headers_unittest.cc

Index: net/http/http_response_headers_unittest.cc
diff --git a/net/http/http_response_headers_unittest.cc b/net/http/http_response_headers_unittest.cc
index c9c8c467eaf26bd19942a13a089a58cf03179286..e4ee192c870fc698003d475ef19f6915cf9f9ba1 100644
--- a/net/http/http_response_headers_unittest.cc
+++ b/net/http/http_response_headers_unittest.cc
@@ -2245,6 +2245,26 @@ TEST(HttpResponseHeadersTest, GetDataReductionProxyBypassEventType) {
       "Chrome-Proxy: bypass=1799\n",
       net::ProxyService::SHORT_BYPASS,
     },
+    { "HTTP/1.1 502 Bad Gateway\n"
+      "Chrome-Proxy: bypass=1799\n",
+      net::ProxyService::SHORT_BYPASS,
+    },
+    { "HTTP/1.1 414 Request-URI Too Long\n"
+      "Server: GFE/2.0\n",
+      net::ProxyService::PROXY_4XX_BYPASS,
+    },
+    { "HTTP/1.1 414 Request-URI Too Long\n",
+      net::ProxyService::MISSING_VIA_HEADER,
+    },
+    { "HTTP/1.1 414 Request-URI Too Long\n"
+      "Via: 1.1 Chrome-Compression-Proxy\n",
+      net::ProxyService::BYPASS_EVENT_TYPE_MAX,
+    },
+    { "HTTP/1.1 414 Request-URI Too Long\n"
+      "Server: GFE/2.0\n"

[mef, 2014/05/28 15:39:57]

What is expected if this was "Server: MyServer/1.5\n"?

+      "Via: 1.1 Chrome-Compression-Proxy\n",
+      net::ProxyService::BYPASS_EVENT_TYPE_MAX,
+    },
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
     std::string headers(tests[i].headers);