Auto merge of #24883 - szeged:id_management, r=jdm

Add WebGPU identity management

<!-- Please describe your changes on the following line: -->

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes addresses a part of #24706

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->
cc @jdm, @kvark, @zakorgy
<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->

1 files changed, 12 insertions, 0 deletions

diff --git a/components/script/dom/navigator.rs b/components/script/dom/navigator.rs
index cb8fb2365cd..9121f7ef54d 100644
--- a/components/script/dom/navigator.rs
+++ b/components/script/dom/navigator.rs
@@ -12,6 +12,7 @@ use crate::dom::bindings::str::DOMString;
 use crate::dom::bluetooth::Bluetooth;
 use crate::dom::gamepadlist::GamepadList;
 use crate::dom::gpu::GPU;
+use crate::dom::identityhub::Identities;
 use crate::dom::mediadevices::MediaDevices;
 use crate::dom::mediasession::MediaSession;
 use crate::dom::mimetypearray::MimeTypeArray;
@@ -23,7 +24,9 @@ use crate::dom::serviceworkercontainer::ServiceWorkerContainer;
 use crate::dom::window::Window;
 use crate::dom::xr::XR;
 use dom_struct::dom_struct;
+use std::cell::RefCell;
 use std::rc::Rc;
+use webgpu::wgpu::AdapterId;
 
 #[dom_struct]
 pub struct Navigator {
@@ -38,6 +41,8 @@ pub struct Navigator {
     permissions: MutNullableDom<Permissions>,
     mediasession: MutNullableDom<MediaSession>,
     gpu: MutNullableDom<GPU>,
+    #[ignore_malloc_size_of = "Defined in wgpu"]
+    gpu_id_hub: RefCell<Identities>,
 }
 
 impl Navigator {
@@ -54,6 +59,7 @@ impl Navigator {
             permissions: Default::default(),
             mediasession: Default::default(),
             gpu: Default::default(),
+            gpu_id_hub: RefCell::new(Identities::new()),
         }
     }
 
@@ -66,6 +72,12 @@ impl Navigator {
     }
 }
 
+impl Navigator {
+    pub fn create_adapter_id(&self) -> AdapterId {
+        self.gpu_id_hub.borrow_mut().create_adapter_id()
+    }
+}
+
 impl NavigatorMethods for Navigator {
     // https://html.spec.whatwg.org/multipage/#dom-navigator-product
     fn Product(&self) -> DOMString {