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ColorSpace::Contains() can be called a few times per frame for tile
operations. The result of the call is deterministic, and called
consistently on a small set of color spaces in gfx::DisplayColorSpaces,
so store the results in a small MRUCache.

Bug: 1073962
Change-Id: I61e2a8ff34291b686ed79ae4c301adb1c0792b35
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2504051Reviewed-by: ccameron <ccameron@chromium.org>
Reviewed-by: kylechar <kylechar@chromium.org>
Commit-Queue: Sean Gilhuly <sgilhuly@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826509}