Implement navigateEvent.intercept() and navigateEvent.canIntercept #34353
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Follows WICG/navigation-api#235
intercept() works very similarly to transitionWhile(), except that
instead of taking a mandatory Promise, it takes an optional handler
function. If a function is provided and it returns a promise,
navigation finish will be delayed until the Promise resolve, just as
transitionWhile() delays navigation finish for its Promise.
canIntercept is identical to canTransition.
Intent to ship: https://groups.google.com/a/chromium.org/g/blink-dev/c/jyWqjAEv5LU
Bug: 1336000
Change-Id: I94edd7fdc727080594f16fe4511cb7c302d88941
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3688177
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Commit-Queue: Nate Chapin <japhet@chromium.org>
Reviewed-by: Domenic Denicola <domenic@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1026325}