Remove SPDY/2 code.

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 <stdint.h>
 
 #include <map>
@@ skipping 48 matching lines @@
   BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB_ALT = 2,
   BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB_MAIN = 3,
   BROKEN_ALTERNATE_PROTOCOL_LOCATION_MAX,
 };
 
 // Log a histogram to reflect |location|.
 NET_EXPORT void HistogramBrokenAlternateProtocolLocation(
     BrokenAlternateProtocolLocation location);
 
 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,
+  ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION = NPN_SPDY_3,
+  NPN_SPDY_MINIMUM_VERSION = NPN_SPDY_3,
   NPN_SPDY_3_1,
-  NPN_HTTP_2,     // HTTP/2
+  NPN_HTTP_2,
   NPN_SPDY_MAXIMUM_VERSION = NPN_HTTP_2,
   QUIC,
   ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION = QUIC,
   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);
@@ skipping 296 matching lines @@
   // Returns all persistent QuicServerInfo objects.
   virtual const QuicServerInfoMap& quic_server_info_map() const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HttpServerProperties);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_H_