WebNN: rename MLContext methods to tensor.
Renames createBuffer, writeBuffer, and readBuffer to
be createTensor, writeTensor, and readTensor instead.
This will be one of multiple CLs to split up WebNN's
renaming of MLTensor to MLBuffer to avoid merge
conflicts.
Bug: 361372446
Change-Id: I9eca0618924dfb0aeb46a9b63bd5baa398fe5be1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5842431
Reviewed-by: Alex Gough ajgo@chromium.org
Reviewed-by: Austin Sullivan asully@chromium.org
Commit-Queue: Bryan Bernhart bryan.bernhart@intel.com
Cr-Commit-Position: refs/heads/main@{#1352859}