Optimized 53/55 files in 00:40:39s
Result: 142384 => 91688 bytes (50696 bytes: 35%)

BUG=418208
TBR=msw@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/612543002

Cr-Commit-Position: refs/heads/master@{#297050}