Add chrishtr@ and pdr@ to Source/public/OWNERS
Add chrishtr@ and pdr@ to Source/public/OWNERS

R=dglazkov@chromium.org

Review URL: https://codereview.chromium.org/794793002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@186891 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs