cblay 2e7f9fb6cb Don't setContentLength() in CacheDataSource if the current request ignores cache.
Otherwise an empty cache span is created.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146014081
2017-01-30 19:19:43 +00:00
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2017-01-13 17:27:25 +00:00