Revert "Use scratch keys for stencil buffers."

This reverts commit 91175f19664a62851da4ca4e0984a7c7c45b258f.

Revert "Cleanup res cache bench and split out into a unit test."

This reverts commit 4e4303f002c5958c6c958e7ba8e49b24c25f0b22.

Revert "rebaselines"

This reverts commit 65ba7b57759bfca60b24bc34dc46fc8caaf146f0.

TBR=tomhudson@google.com

Review URL: https://codereview.chromium.org/752233002
15 files changed