Remove support for Alt-Svc/Alternate Protocol Probability

net/http/http_server_properties_manager.h

Index: net/http/http_server_properties_manager.h
diff --git a/net/http/http_server_properties_manager.h b/net/http/http_server_properties_manager.h
index 14278526c369f22897f0a92ea086674a1dd54cac..a7ede48f0c6a57d342fc36b06d4780379cfe921c 100644
--- a/net/http/http_server_properties_manager.h
+++ b/net/http/http_server_properties_manager.h
@@ -119,7 +119,6 @@ class NET_EXPORT HttpServerPropertiesManager : public HttpServerProperties {
       const HostPortPair& origin) override;
   bool SetAlternativeService(const HostPortPair& origin,
                              const AlternativeService& alternative_service,
-                             double alternative_probability,
                              base::Time expiration) override;
   bool SetAlternativeServices(const HostPortPair& origin,
                               const AlternativeServiceInfoVector&
@@ -137,7 +136,6 @@ class NET_EXPORT HttpServerPropertiesManager : public HttpServerProperties {
   void ClearAlternativeServices(const HostPortPair& origin) override;
   const AlternativeServiceMap& alternative_service_map() const override;
   scoped_ptr<base::Value> GetAlternativeServiceInfoAsValue() const override;
-  void SetAlternativeServiceProbabilityThreshold(double threshold) override;
   const SettingsMap& GetSpdySettings(
       const HostPortPair& host_port_pair) override;
   bool SetSpdySetting(const HostPortPair& host_port_pair,