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

third_party/protobuf/csharp/src/Google.Protobuf/WireFormat.cs

Index: third_party/protobuf/csharp/src/Google.Protobuf/WireFormat.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf/WireFormat.cs b/third_party/protobuf/csharp/src/Google.Protobuf/WireFormat.cs
deleted file mode 100644
index e884da5205204f6e8c23a3c308a02dc771d9382e..0000000000000000000000000000000000000000
--- a/third_party/protobuf/csharp/src/Google.Protobuf/WireFormat.cs
+++ /dev/null
@@ -1,104 +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
-{
-    /// <summary>
-    /// This class is used internally by the Protocol Buffer Library and generated
-    /// message implementations. It is public only for the sake of those generated
-    /// messages. Others should not use this class directly.
-    /// <para>
-    /// This class contains constants and helper functions useful for dealing with
-    /// the Protocol Buffer wire format.
-    /// </para>
-    /// </summary>
-    public static class WireFormat
-    {
-        /// <summary>
-        /// Wire types within protobuf encoding.
-        /// </summary>
-        public enum WireType : uint
-        {
-            /// <summary>
-            /// Variable-length integer.
-            /// </summary>
-            Varint = 0,
-            /// <summary>
-            /// A fixed-length 64-bit value.
-            /// </summary>
-            Fixed64 = 1,
-            /// <summary>
-            /// A length-delimited value, i.e. a length followed by that many bytes of data.
-            /// </summary>
-            LengthDelimited = 2,
-            /// <summary>
-            /// A "start group" value - not supported by this implementation.
-            /// </summary>
-            StartGroup = 3,
-            /// <summary>
-            /// An "end group" value - not supported by this implementation.
-            /// </summary>
-            EndGroup = 4,
-            /// <summary>
-            /// A fixed-length 32-bit value.
-            /// </summary>
-            Fixed32 = 5
-        }
-        
-        private const int TagTypeBits = 3;
-        private const uint TagTypeMask = (1 << TagTypeBits) - 1;
-
-        /// <summary>
-        /// Given a tag value, determines the wire type (lower 3 bits).
-        /// </summary>
-        public static WireType GetTagWireType(uint tag)
-        {
-            return (WireType) (tag & TagTypeMask);
-        }
-
-        /// <summary>
-        /// Given a tag value, determines the field number (the upper 29 bits).
-        /// </summary>
-        public static int GetTagFieldNumber(uint tag)
-        {
-            return (int) tag >> TagTypeBits;
-        }
-
-        /// <summary>
-        /// Makes a tag value given a field number and wire type.
-        /// </summary>
-        public static uint MakeTag(int fieldNumber, WireType wireType)
-        {
-            return (uint) (fieldNumber << TagTypeBits) | (uint) wireType;
-        }        
-    }
-}