FilterWatcher class from itkFilterWatcher.h is not in itk:: namespace. I added in issue. Should we move it there?

This patch fixes an unrelated bug in that class.

Maybe a more specific name should be used if it is added to the ITK namespace.

Perhaps add it to itk::Testing:: namespace? The file location is already suggestive of that.


There is already a SimpleFilterWatcher. Perhaps one of them is redundant? I will look into it later.

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There is also itkXMLFilterWatcher.h which derives from SimpleFilterWatcher. The FilterWatcher in Testing dir should at least derive from SimpleFilterWatcher, if it needs to exist at all. Adding to a TODO list. If someone else wants to take over, just write here.

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I just submitted a patch to reduce duplication.

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