Tweak validate() to check less as the size of the hash grows.

This makes working with a non-trivial SkTDynamicHash less painful in Debug
builds.  validate() is skipped in Release, so this has no effect there.

BUG=
R=kkinnunen@nvidia.com, bsalomon@google.com

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/140753003

git-svn-id: http://skia.googlecode.com/svn/trunk@13121 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed