Introduce AlternateProtocolInfo.is_broken.

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 edf598ff029c4e6f79119c702fb001c2d33913c4..1b647c52d1c55c74d6d1515ceb2285719f08dc54 100644
--- a/net/http/http_server_properties.h
+++ b/net/http/http_server_properties.h
@@ -61,7 +61,6 @@ enum AlternateProtocol {
   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,
 };
 
@@ -85,10 +84,12 @@ NET_EXPORT_PRIVATE AlternateProtocol AlternateProtocolFromNextProto(
 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 &&
@@ -101,6 +102,7 @@ struct NET_EXPORT AlternateProtocolInfo {
   uint16 port;
   AlternateProtocol protocol;
   double probability;
+  bool is_broken;
 };
 
 struct NET_EXPORT SupportsQuic {