Introduce AlternateProtocolInfo.is_broken.

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 43 matching lines @@
 enum AlternateProtocol {
   DEPRECATED_NPN_SPDY_2 = 0,
   ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION = DEPRECATED_NPN_SPDY_2,
   NPN_SPDY_MINIMUM_VERSION = DEPRECATED_NPN_SPDY_2,
   NPN_SPDY_3,
   NPN_SPDY_3_1,
   NPN_SPDY_4,  // SPDY4 is HTTP/2.
   NPN_SPDY_MAXIMUM_VERSION = NPN_SPDY_4,
   QUIC,
   ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION = QUIC,
-  ALTERNATE_PROTOCOL_BROKEN,  // The alternate protocol is known to be broken.
   UNINITIALIZED_ALTERNATE_PROTOCOL,
 };
 
 // Simply returns whether |protocol| is between
 // ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION and
 // ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION (inclusive).
 NET_EXPORT bool IsAlternateProtocolValid(AlternateProtocol protocol);
 
 enum AlternateProtocolSize {
   NUM_VALID_ALTERNATE_PROTOCOLS =
     ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION -
     ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION + 1,
 };
 
 NET_EXPORT const char* AlternateProtocolToString(AlternateProtocol protocol);
 NET_EXPORT AlternateProtocol AlternateProtocolFromString(
     const std::string& str);
 NET_EXPORT_PRIVATE AlternateProtocol AlternateProtocolFromNextProto(
     NextProto next_proto);
 
 struct NET_EXPORT AlternateProtocolInfo {
   AlternateProtocolInfo(uint16 port,
                         AlternateProtocol protocol,
-                        double probability)
+                        double probability,
+                        bool is_broken = false)

[Ryan Hamilton, 2014/11/05 17:05:19]

Alas, using arguments with default values is prohibited by the style guide :<

[Bence, 2014/11/06 00:26:00]

Done.

       : port(port),
         protocol(protocol),
-        probability(probability) {}
+        probability(probability),
+        is_broken(is_broken) {}
 
   bool Equals(const AlternateProtocolInfo& other) const {
     return port == other.port &&
         protocol == other.protocol &&
         probability == other.probability;
   }
 
   std::string ToString() const;
 
   uint16 port;
   AlternateProtocol protocol;
   double probability;
+  bool is_broken;
 };
 
 struct NET_EXPORT SupportsQuic {
   SupportsQuic() : used_quic(false) {}
   SupportsQuic(bool used_quic, const std::string& address)
       : used_quic(used_quic),
         address(address) {}
 
   bool Equals(const SupportsQuic& other) const {
     return used_quic == other.used_quic && address == other.address;
@@ skipping 114 matching lines @@
   virtual const NetworkStats* GetServerNetworkStats(
       const HostPortPair& host_port_pair) const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HttpServerProperties);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_H_