Google Drive Insert Request in .NET library
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I am trying to use the sample code from https://developers.google.com/drive/v2/reference/files/insert#examples. In particular: 

    FilesResource.InsertRequest request = service.Files.Insert(body);
    request.Upload(stream, mimeType);

It turned out that the `Upload` method doesn't exist in the FilesResource.InsertRequest class. I was reviewing and it just looks like the class is missing the method. 

Maybe it is not implemented in the released .NET library? 

Thanks. 
