Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/csharp/src/Google.Protobuf/Reflection/EnumValueDescriptor.cs

Index: third_party/protobuf/csharp/src/Google.Protobuf/Reflection/EnumValueDescriptor.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf/Reflection/EnumValueDescriptor.cs b/third_party/protobuf/csharp/src/Google.Protobuf/Reflection/EnumValueDescriptor.cs
deleted file mode 100644
index b212ce961854ae40666196cbcc78b0ff2fcb0173..0000000000000000000000000000000000000000
--- a/third_party/protobuf/csharp/src/Google.Protobuf/Reflection/EnumValueDescriptor.cs
+++ /dev/null
@@ -1,70 +0,0 @@
-#region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#endregion
-
-namespace Google.Protobuf.Reflection
-{
-    /// <summary>
-    /// Descriptor for a single enum value within an enum in a .proto file.
-    /// </summary>
-    public sealed class EnumValueDescriptor : DescriptorBase                                            
-    {
-        private readonly EnumDescriptor enumDescriptor;
-        private readonly EnumValueDescriptorProto proto;
-
-        internal EnumValueDescriptor(EnumValueDescriptorProto proto, FileDescriptor file,
-                                     EnumDescriptor parent, int index)
-            : base(file, parent.FullName + "." + proto.Name, index)
-        {
-            this.proto = proto;
-            enumDescriptor = parent;
-            file.DescriptorPool.AddSymbol(this);
-            file.DescriptorPool.AddEnumValueByNumber(this);
-        }
-
-        internal EnumValueDescriptorProto Proto { get { return proto; } }
-
-        /// <summary>
-        /// Returns the name of the enum value described by this object.
-        /// </summary>
-        public override string Name { get { return proto.Name; } }
-
-        /// <summary>
-        /// Returns the number associated with this enum value.
-        /// </summary>
-        public int Number { get { return Proto.Number; } }
-
-        /// <summary>
-        /// Returns the enum descriptor that this value is part of.
-        /// </summary>
-        public EnumDescriptor EnumDescriptor { get { return enumDescriptor; } }
-    }
-}