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Some deleted methods explicitly have "Deprecated" in their names. Others
are non-static methods, which can cause confusion when mixed with static
methods (e.g. crrev.com/c/2227944, crrev.com/c/2237582).

Also delete the constructors. All remaining methods are static.

Bug: 1069271
Bug: 1070409
Change-Id: I81e9791cef4edcc0ef55d5c637f5f65336d45a7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2227726
Commit-Queue: Nigel Tao <nigeltao@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#779586}