tree ed9ac2e07b8af0d19abef0d469195aac57bf3e74
parent 28a838e532250fcca9673aca6c4616193a5a139d
author halcanary <halcanary@google.com> 1466716091 -0700
committer Commit bot <commit-bot@chromium.org> 1466716091 -0700

SkPDF:  alloc less memory for strings

    before:
        micros   	bench
        250.98  	WritePDFText	nonrendering
    after:
        micros   	bench
        107.10  	WritePDFText	nonrendering

Also, be slightly more space-efficient in encoding strings.

Also, add a bench.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2099463002

Review-Url: https://codereview.chromium.org/2099463002