Added the field name to all CodedOutputStream.Write??? calls
Refactored 'speed' generated write of arrays to call Write???Array.  This may
have impacted speed write speeds for arrays of non-reference types due to the
use of non-generic IEnumerable and the subsequent boxing of value types.  This
could be addressed later if desired.
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestCSharpOptionsProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestCSharpOptionsProtoFile.cs
index 1e76d82..aaca1b9 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestCSharpOptionsProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestCSharpOptionsProtoFile.cs
@@ -118,13 +118,13 @@
     public override void WriteTo(pb::CodedOutputStream output) {

       int size = SerializedSize;

       if (HasNormal) {

-        output.WriteString(1, Normal);

+        output.WriteString(1, "normal", Normal);

       }

       if (HasOptionsMessage_) {

-        output.WriteString(2, OptionsMessage_);

+        output.WriteString(2, "options_message", OptionsMessage_);

       }

       if (HasCustomName) {

-        output.WriteString(3, CustomName);

+        output.WriteString(3, "customized", CustomName);

       }

       UnknownFields.WriteTo(output);

     }