Update //third_party/protobuf to version 3.

third_party/protobuf/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs

Index: third_party/protobuf/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs b/third_party/protobuf/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs
new file mode 100644
index 0000000000000000000000000000000000000000..2972b34601c8fe9d563ab3a7ec4c041a8235d895
--- /dev/null
+++ b/third_party/protobuf/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs
@@ -0,0 +1,156 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/protobuf/source_context.proto
+#pragma warning disable 1591, 0612, 3021
+#region Designer generated code
+
+using pb = global::Google.Protobuf;
+using pbc = global::Google.Protobuf.Collections;
+using pbr = global::Google.Protobuf.Reflection;
+using scg = global::System.Collections.Generic;
+namespace Google.Protobuf.WellKnownTypes {
+
+  /// <summary>Holder for reflection information generated from google/protobuf/source_context.proto</summary>
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public static partial class SourceContextReflection {
+
+    #region Descriptor
+    /// <summary>File descriptor for google/protobuf/source_context.proto</summary>
+    public static pbr::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbr::FileDescriptor descriptor;
+
+    static SourceContextReflection() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          string.Concat(
+            "CiRnb29nbGUvcHJvdG9idWYvc291cmNlX2NvbnRleHQucHJvdG8SD2dvb2ds",
+            "ZS5wcm90b2J1ZiIiCg1Tb3VyY2VDb250ZXh0EhEKCWZpbGVfbmFtZRgBIAEo",
+            "CUJVChNjb20uZ29vZ2xlLnByb3RvYnVmQhJTb3VyY2VDb250ZXh0UHJvdG9Q",
+            "AaABAaICA0dQQqoCHkdvb2dsZS5Qcm90b2J1Zi5XZWxsS25vd25UeXBlc2IG",
+            "cHJvdG8z"));
+      descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
+          new pbr::FileDescriptor[] { },
+          new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
+            new pbr::GeneratedCodeInfo(typeof(global::Google.Protobuf.WellKnownTypes.SourceContext), global::Google.Protobuf.WellKnownTypes.SourceContext.Parser, new[]{ "FileName" }, null, null, null)
+          }));
+    }
+    #endregion
+
+  }
+  #region Messages
+  /// <summary>
+  ///  `SourceContext` represents information about the source of a
+  ///  protobuf element, like the file in which it is defined.
+  /// </summary>
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class SourceContext : pb::IMessage<SourceContext> {
+    private static readonly pb::MessageParser<SourceContext> _parser = new pb::MessageParser<SourceContext>(() => new SourceContext());
+    public static pb::MessageParser<SourceContext> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Google.Protobuf.WellKnownTypes.SourceContextReflection.Descriptor.MessageTypes[0]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public SourceContext() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public SourceContext(SourceContext other) : this() {
+      fileName_ = other.fileName_;
+    }
+
+    public SourceContext Clone() {
+      return new SourceContext(this);
+    }
+
+    /// <summary>Field number for the "file_name" field.</summary>
+    public const int FileNameFieldNumber = 1;
+    private string fileName_ = "";
+    /// <summary>
+    ///  The path-qualified name of the .proto file that contained the associated
+    ///  protobuf element.  For example: `"google/protobuf/source.proto"`.
+    /// </summary>
+    public string FileName {
+      get { return fileName_; }
+      set {
+        fileName_ = pb::Preconditions.CheckNotNull(value, "value");
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as SourceContext);
+    }
+
+    public bool Equals(SourceContext other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (FileName != other.FileName) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (FileName.Length != 0) hash ^= FileName.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (FileName.Length != 0) {
+        output.WriteRawTag(10);
+        output.WriteString(FileName);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (FileName.Length != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(FileName);
+      }
+      return size;
+    }
+
+    public void MergeFrom(SourceContext other) {
+      if (other == null) {
+        return;
+      }
+      if (other.FileName.Length != 0) {
+        FileName = other.FileName;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 10: {
+            FileName = input.ReadString();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  #endregion
+
+}
+
+#endregion Designer generated code