Revert of Add a probability to Alternate-Protocol support.

net/http/http_server_properties.h

Index: net/http/http_server_properties.h
diff --git a/net/http/http_server_properties.h b/net/http/http_server_properties.h
index 718f4c5a4e54dee5b455cd55cd71432423a33350..88d1f3cefba5978d3456823a69e81cc63ad44464 100644
--- a/net/http/http_server_properties.h
+++ b/net/http/http_server_properties.h
@@ -92,29 +92,19 @@
 NET_EXPORT_PRIVATE AlternateProtocol AlternateProtocolFromNextProto(
     NextProto next_proto);
 
-struct NET_EXPORT AlternateProtocolInfo {
-  AlternateProtocolInfo(uint16 port,
-                        AlternateProtocol protocol,
-                        double probability)
-      : port(port),
-        protocol(protocol),
-        probability(probability) {}
-
-  bool Equals(const AlternateProtocolInfo& other) const {
-    return port == other.port &&
-        protocol == other.protocol &&
-        probability == other.probability;
+struct NET_EXPORT PortAlternateProtocolPair {
+  bool Equals(const PortAlternateProtocolPair& other) const {
+    return port == other.port && protocol == other.protocol;
   }
 
   std::string ToString() const;
 
   uint16 port;
   AlternateProtocol protocol;
-  double probability;
 };
 
 typedef base::MRUCache<
-    HostPortPair, AlternateProtocolInfo> AlternateProtocolMap;
+    HostPortPair, PortAlternateProtocolPair> AlternateProtocolMap;
 typedef base::MRUCache<HostPortPair, SettingsMap> SpdySettingsMap;
 
 extern const char kAlternateProtocolHeader[];
@@ -153,14 +143,13 @@
 
   // Returns the Alternate-Protocol and port for |server|.
   // HasAlternateProtocol(server) must be true.
-  virtual AlternateProtocolInfo GetAlternateProtocol(
+  virtual PortAlternateProtocolPair GetAlternateProtocol(
       const HostPortPair& server) = 0;
 
   // Sets the Alternate-Protocol for |server|.
   virtual void SetAlternateProtocol(const HostPortPair& server,
                                     uint16 alternate_port,
-                                    AlternateProtocol alternate_protocol,
-                                    double probability) = 0;
+                                    AlternateProtocol alternate_protocol) = 0;
 
   // Sets the Alternate-Protocol for |server| to be BROKEN.
   virtual void SetBrokenAlternateProtocol(const HostPortPair& server) = 0;
@@ -180,9 +169,6 @@
 
   virtual void SetAlternateProtocolExperiment(
       AlternateProtocolExperiment experiment) = 0;
-
-  virtual void SetAlternateProtocolProbabilityThreshold(
-      double threshold) = 0;
 
   virtual AlternateProtocolExperiment GetAlternateProtocolExperiment()
       const = 0;