Web Replay: Remove accounting methods for tracking memory usage of specific inputs.
Move dispatchTypeSpecificEncodeMethod from the JSON encoder to the generic EncoderContext.
Web Replay: nuke toString() methods from orbit, instead just stringify the JSON serialization for each input. It’s somewhat more spammy, but a better pretty printer could be hooked up easily as a new EncoderContext.
Convert CSSFontSelector to use a ReplayableTimer instance.

This fixes replay divergences in the Wikipedia en-us front page.