Refactoring of CodedInputStream.Read??? to use boolean return with out param.
diff --git a/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteImportNonLiteProtoFile.cs b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteImportNonLiteProtoFile.cs
index 4ff7efb..cc9778f 100644
--- a/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteImportNonLiteProtoFile.cs
+++ b/src/ProtocolBuffersLite.Test/TestProtos/UnitTestLiteImportNonLiteProtoFile.cs
@@ -207,7 +207,7 @@
               if (pb::WireFormat.IsEndGroupTag(tag)) {

                 return this;

               }

-              ParseUnknownField(input, extensionRegistry, tag);

+              ParseUnknownField(input, extensionRegistry, tag, field_name);

               break;

             }

             case 10: {