Cherry pick PR #1965: Implement unshipped messages in message port. #1998
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Refer to the original PR: #1965
Implement storage of unshipped message in message port, to allow a message port to receive and hold messages before the destination is ready to receive them.
Use the above functionality to unblock worker.postMessage calls to no longer wait until the worker script completes loading and executing.
b/310240306
b/226640425