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This CL leaves old headers to avoid changing the clients in
one large CL. Those old headers import new headers and typedef
the old names to point to the new names.

Bug: 688063
Change-Id: I31c34463d47e31335dd0909fe816707733cf1a1b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2583386
Commit-Queue: Eugene But <eugenebut@chromium.org>
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#835741}