Add client type in chrome-proxy header for desktop.

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.cc

Index: chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.cc
diff --git a/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.cc b/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.cc
index 3e7ae08e1870a97f1b2e7e116ad0393516fe71dc..57fd827855d21f395eef32e744f759632e9f94c1 100644
--- a/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.cc
+++ b/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.cc
@@ -56,6 +56,20 @@ std::string DataReductionProxyChromeSettings::GetClient() {
   return data_reduction_proxy::kClientChromeAndroid;
 #elif defined(OS_IOS)
   return data_reduction_proxy::kClientChromeIOS;
+#elif defined(OS_MACOSX)
+  return data_reduction_proxy::kClientMac;
+#elif defined(OS_LINUX)
+  return data_reduction_proxy::kClientLinux;
+#elif defined(OS_WIN)
+  return data_reduction_proxy::kClientWin;
+#elif defined(OS_FREEBSD)
+  return data_reduction_proxy::kClientFreeBsd;
+#elif defined(OS_OPENBSD)
+  return data_reduction_proxy::kClientOpenBsd;
+#elif defined(OS_SOLARIS)
+  return data_reduction_proxy::kClientSolaris;
+#elif defined(OS_QNX)
+  return data_reduction_proxy::kClientQnx;
 #else
   return "";
 #endif