Revert of Add IsAlternativeServiceBroken(), remove is_broken.

net/http/http_server_properties_impl.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_IMPL_H_
 #define NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 81 matching lines @@
   void SetHTTP11Required(const HostPortPair& server) override;
   void MaybeForceHTTP11(const HostPortPair& server,
                         SSLConfig* ssl_config) override;
   AlternateProtocolInfo GetAlternateProtocol(
       const HostPortPair& server) override;
   void SetAlternateProtocol(const HostPortPair& server,
                             uint16 alternate_port,
                             AlternateProtocol alternate_protocol,
                             double probability) override;
   void SetBrokenAlternateProtocol(const HostPortPair& server) override;
-  bool IsAlternativeServiceBroken(
-      const AlternativeService& alternative_service) override;
   bool WasAlternateProtocolRecentlyBroken(const HostPortPair& server) override;
   void ConfirmAlternateProtocol(const HostPortPair& server) override;
   void ClearAlternateProtocol(const HostPortPair& server) override;
   const AlternateProtocolMap& alternate_protocol_map() const override;
   void SetAlternateProtocolProbabilityThreshold(double threshold) override;
   const SettingsMap& GetSpdySettings(
       const HostPortPair& host_port_pair) override;
   bool SetSpdySetting(const HostPortPair& host_port_pair,
                       SpdySettingsIds id,
                       SpdySettingsFlags flags,
@@ skipping 59 matching lines @@
   double alternate_protocol_probability_threshold_;
 
   base::WeakPtrFactory<HttpServerPropertiesImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_