Move |is_static_data| check down in DetermineRevalidationPolicy

This CL moves

 if (is_static_data)
   return kUse;

section down in DetermineRevalidationPolicy as a preparation to factor out some
|return kReload;| statements.

BUG=652228, 714574
R=hiroshige@chromium.org

Review-Url: https://codereview.chromium.org/2829043002
Cr-Commit-Position: refs/heads/master@{#466931}
1 file changed