Update third_party/protobuf to protobuf-v3.0.0-beta-3

third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs

Index: third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs b/third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
index f3593e5fafdd381f07d50f0148ac88a06919788e..f21be7d9b9e474b8701db6f82ba16ddd98887eb8 100644
--- a/third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
+++ b/third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
@@ -47,6 +47,24 @@ namespace Google.Protobuf.WellKnownTypes
         }
 
         [Test]
+        public void Pack_WithCustomPrefix()
+        {
+            var message = SampleMessages.CreateFullTestAllTypes();
+            var any = Any.Pack(message, "foo.bar/baz");
+            Assert.AreEqual("foo.bar/baz/protobuf_unittest.TestAllTypes", any.TypeUrl);
+            Assert.AreEqual(message.CalculateSize(), any.Value.Length);
+        }
+
+        [Test]
+        public void Pack_WithCustomPrefixTrailingSlash()
+        {
+            var message = SampleMessages.CreateFullTestAllTypes();
+            var any = Any.Pack(message, "foo.bar/baz/");
+            Assert.AreEqual("foo.bar/baz/protobuf_unittest.TestAllTypes", any.TypeUrl);
+            Assert.AreEqual(message.CalculateSize(), any.Value.Length);
+        }
+
+        [Test]
         public void Unpack_WrongType()
         {
             var message = SampleMessages.CreateFullTestAllTypes();
@@ -64,6 +82,15 @@ namespace Google.Protobuf.WellKnownTypes
         }
 
         [Test]
+        public void Unpack_CustomPrefix_Success()
+        {
+            var message = SampleMessages.CreateFullTestAllTypes();
+            var any = Any.Pack(message, "foo.bar/baz");
+            var unpacked = any.Unpack<TestAllTypes>();
+            Assert.AreEqual(message, unpacked);
+        }
+
+        [Test]
         public void ToString_WithValues()
         {
             var message = SampleMessages.CreateFullTestAllTypes();