This
- removes the ParserRecorder base class,
- devirtualizes the LogFunction and LogMessage functions,
- reuses the SingletonLogger for all preparser calls

In a subsequent step the preparser should probably log directly to the CompleteParserRecorder rather than indirectly through the singleton logger...

BUG=

Review-Url: https://codereview.chromium.org/2474393003
Cr-Commit-Position: refs/heads/master@{#40803}