olly d077e23daa Improve DefaultExtractorInput's peek buffer sizing.
- Don't resize the peek buffer to be twice as large as a
  large amount!
- Trim the peek buffer, to allow large peek buffer allocations
  to be reclaimed.

Issue: #2553

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=150184291
2017-03-15 15:50:17 +00:00
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2017-03-15 15:44:46 +00:00
2017-01-13 17:27:25 +00:00