[SPDY] Remove references to obsolete SPDY versions SPDY/1 and SPDY/2.1

net/http/http_stream_factory.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_STREAM_FACTORY_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 280 matching lines @@
   static void SetNextProtos(const std::vector<NextProto>& value);
   static bool has_next_protos() { return next_protos_ != NULL; }
   static const std::vector<std::string>& next_protos() {
     return *next_protos_;
   }
 
  protected:
   HttpStreamFactory();
 
  private:
+  // |protocol| must be a valid protocol value.
+  static bool IsProtocolEnabled(AlternateProtocol protocol);
+  static void SetProtocolEnabled(AlternateProtocol protocol);
+  static void ResetEnabledProtocols();
+
   static std::vector<std::string>* next_protos_;
-  static bool enabled_protocols_[NUM_ALTERNATE_PROTOCOLS];
+  static bool enabled_protocols_[NUM_VALID_ALTERNATE_PROTOCOLS];
   static bool spdy_enabled_;
   static bool use_alternate_protocols_;
   static bool force_spdy_over_ssl_;
   static bool force_spdy_always_;
   static std::list<HostPortPair>* forced_spdy_exclusions_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpStreamFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_H_