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Alexei Svitkine authoredCombines the GetSwitchesFromFlags() and GetFeaturesFromFlags() calls to avoid GenerateFlagsToSwitchesMapping() being called twice, which we have evidence of being expensive. Bug: 904575 Change-Id: Ie89acad8175fdfe029a951074b9aa1f4f7678f95 Reviewed-on: https://chromium-review.googlesource.com/c/1333875 Commit-Queue: Alexei Svitkine <asvitkine@chromium.org> Reviewed-by: ssid <ssid@chromium.org> Cr-Commit-Position: refs/heads/master@{#608005} 103faf89