SkTDynamicHash: remove need for Equals(const T&, const Key&) param.

All implementations are relying on bool operator==(const Key&, const Key&)
anyway, which makes total sense, so just make that required.

BUG=skia:
R=bsalomon@google.com, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/222343002

git-svn-id: http://skia.googlecode.com/svn/trunk@14027 2bbb7eff-a529-9590-31e7-b0007b416f81
6 files changed