commit 79ace1bc561225f36bc14d7196dce4d109bdd0fc
author Nidhi Jaju <nidhijaju@google.com> Thu Oct 29 11:26:16 2020
committer Commit Bot <commit-bot@chromium.org> Thu Oct 29 11:26:16 2020
tree e8523dca5ad0e7404939f9dea3206a319b9d1fcb
parent 1f5bf270089617bf1294e32c78dfbffec3486824

Add ReadableWritablePair to Readable Streams for pipeThrough

In an effort to change the blink implementation of readable streams to
better match the Web IDL descriptions in the Streams API Standard, this
CL adds the ReadableWritablePair dictionary [1] to the ReadableStream
class.

ReadableWritablePair is used as a parameter for pipeThrough() to avoid
unnecessary extraction of the readable and writable streams separately.
This CL also includes changing the return type of pipeThrough() to
ReadableStream*. Furthermore, the comments and ordering of operations
in pipeThrough have also been changed to better reflect how the steps
outlined in the Streams API Standard. [2]

[1] https://streams.spec.whatwg.org/#dictdef-readablewritablepair
[2] https://streams.spec.whatwg.org/#rs-pipe-through

Bug: 1093862
Change-Id: I4a602f8bd03d300de5c4342d932b1ef8573943eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2505260
Commit-Queue: Nidhi Jaju <nidhijaju@google.com>
Reviewed-by: Adam Rice <ricea@chromium.org>
Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#822111}