Remove HasAlternateProtocol().

net/http/http_server_properties.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_HTTP_HTTP_SERVER_PROPERTIES_H_
 #define NET_HTTP_HTTP_SERVER_PROPERTIES_H_
 
 #include <map>
 #include <string>
 #include "base/basictypes.h"
@@ skipping 172 matching lines @@
   // Require HTTP/1.1 on subsequent connections.  Not persisted.
   virtual void SetHTTP11Required(const HostPortPair& server) = 0;
 
   // Modify SSLConfig to force HTTP/1.1.
   static void ForceHTTP11(SSLConfig* ssl_config);
 
   // Modify SSLConfig to force HTTP/1.1 if necessary.
   virtual void MaybeForceHTTP11(const HostPortPair& server,
                                 SSLConfig* ssl_config) = 0;
 
-  // Returns true if |server| has an Alternate-Protocol header.
-  virtual bool HasAlternateProtocol(const HostPortPair& server) = 0;
-
-  // Returns the Alternate-Protocol and port for |server|.
-  // HasAlternateProtocol(server) must be true.
+  // Returns the AlternateProtocol for |server| if it has probability equal to
+  // or exceeding threshold, or else the forced AlternateProtocol if there is
+  // one, or else one with UNINITIALIZED_ALTERNATE_PROTOCOL.
   virtual AlternateProtocolInfo 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;
 
   // Sets the Alternate-Protocol for |server| to be BROKEN.
@@ skipping 59 matching lines @@
 
   virtual const ServerNetworkStatsMap& server_network_stats_map() const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HttpServerProperties);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_H_