…eb#3976

Spec change was:
gpuweb/gpuweb#3976

Stage 1: `Undefined` and `Unknown` coexist.

Bug: chromium:42241081
Change-Id: Ic530d216e6935aa8c09cf5a056b74bb797445d7a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/186585
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Ho Cheung <hocheung@chromium.org>

Spec change was:
gpuweb/gpuweb#3976

Stage 2: Replace `Undefined` in Blink.

Bug: 42241081
Change-Id: I607f29194bb699da12bf2a5f7ea88bae2fc2fea0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5515677
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Ho Cheung <hocheung@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1296500}

Spec change was:
gpuweb/gpuweb#3976

Stage 3: Remove `WGPUDeviceLostReason_Undefined`
from Dawn.

Bug: chromium:42241081
Change-Id: I6865a9cff2494adadab4dbae898ab010401afb94
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/187280
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>

This reverts commit 98012bf.

Reason for revert: This breaks the Dawn->Chromium roll because not all usages have been updated yet. We need Emscripten to be updated with this change before we can update the remaining usages.

Original change's description:
> (3/N) Rename WGPUDeviceLostReason_Undefined to Unknown
>
> Spec change was:
> gpuweb/gpuweb#3976
>
> Stage 3: Remove `WGPUDeviceLostReason_Undefined`
> from Dawn.
>
> Bug: chromium:42241081
> Change-Id: I6865a9cff2494adadab4dbae898ab010401afb94
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/187280
> Commit-Queue: Kai Ninomiya <kainino@chromium.org>
> Reviewed-by: Austin Eng <enga@chromium.org>
> Reviewed-by: Kai Ninomiya <kainino@chromium.org>

TBR=kainino@chromium.org,enga@chromium.org,dawn-scoped@luci-project-accounts.iam.gserviceaccount.com,hocheung@chromium.org

Change-Id: Iaddff04864e965a7d473a737721d52e40be72b06
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:42241081
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/187480
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: James Price <jrprice@google.com>

This reverts commit a105651.

Reason for revert: All affected code has been modified, and we are now attempting to reland the patch.

Original change's description:
> Revert "(3/N) Rename WGPUDeviceLostReason_Undefined to Unknown"
>
> This reverts commit 98012bf.
>
> Reason for revert: This breaks the Dawn->Chromium roll because not all usages have been updated yet. We need Emscripten to be updated with this change before we can update the remaining usages.
>
> Original change's description:
> > (3/N) Rename WGPUDeviceLostReason_Undefined to Unknown
> >
> > Spec change was:
> > gpuweb/gpuweb#3976
> >
> > Stage 3: Remove `WGPUDeviceLostReason_Undefined`
> > from Dawn.
> >
> > Bug: chromium:42241081
> > Change-Id: I6865a9cff2494adadab4dbae898ab010401afb94
> > Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/187280
> > Commit-Queue: Kai Ninomiya <kainino@chromium.org>
> > Reviewed-by: Austin Eng <enga@chromium.org>
> > Reviewed-by: Kai Ninomiya <kainino@chromium.org>
>
> TBR=kainino@chromium.org,enga@chromium.org,dawn-scoped@luci-project-accounts.iam.gserviceaccount.com,hocheung@chromium.org
>
> Change-Id: Iaddff04864e965a7d473a737721d52e40be72b06
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: chromium:42241081
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/187480
> Reviewed-by: James Price <jrprice@google.com>
> Reviewed-by: Austin Eng <enga@chromium.org>
> Commit-Queue: James Price <jrprice@google.com>

# Not skipping CQ checks because this is a reland.

Bug: chromium:42241081
Change-Id: I878465702fc70266875001e947c973555bd0f839
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/187560
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>

Spec change was:
gpuweb/gpuweb#3976

Stage 4: Delete the code related to
`WGPUDeviceLostReason_Undefined` in blink.

Bug: 42241081
Change-Id: Ic0acf7ef49191ea68959fcb5090a31566b303750
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5541054
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Ho Cheung <hocheung@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1301298}