Fix returned error types in WebGPU

components/script/dom/gpu.rs

@@ -132,9 +132,7 @@ impl GPUMethods for GPU {
             ))
             .is_err()
         {
-            promise.reject_error(Error::Type(
-                "Failed to send adapter request to constellation...".to_owned(),
-            ));
+            promise.reject_error(Error::Operation);
         }
         promise
     }
@@ -153,10 +151,7 @@ impl AsyncWGPUListener for GPU {
                 );
                 promise.resolve_native(&adapter);
             },
-            response => promise.reject_error(Error::Type(format!(
-                "Wrong response received for GPU from WebGPU thread {:?}",
-                response,
-            ))),
+            _ => promise.reject_error(Error::Operation),
         }
     }
 }

components/script/dom/gpuadapter.rs

@@ -102,12 +102,10 @@ impl GPUAdapterMethods for GPUAdapter {
                 .send(WebGPURequest::RequestDevice(sender, self.adapter, desc, id))
                 .is_err()
             {
-                promise.reject_error(Error::Type(
-                    "Failed to send RequestDevice message...".to_owned(),
-                ));
+                promise.reject_error(Error::Operation);
             }
         } else {
-            promise.reject_error(Error::Type("No WebGPU thread...".to_owned()))
+            promise.reject_error(Error::Operation);
         };
         promise
     }
@@ -127,9 +125,7 @@ impl AsyncWGPUListener for GPUAdapter {
                 );
                 promise.resolve_native(&device);
             },
-            _ => promise.reject_error(Error::Type(
-                "Wrong response type from WebGPU thread...".to_owned(),
-            )),
+            _ => promise.reject_error(Error::Operation),
         }
     }
 }

components/script/dom/gpudevice.rs

@@ -180,7 +180,7 @@ impl GPUDeviceMethods for GPUDevice {
                     id,
                     wgpu_descriptor,
                 ))
-                .unwrap();
+                .expect("Failed to create WebGPU buffer");
         } else {
             unimplemented!()
         };
@@ -218,7 +218,7 @@ impl GPUDeviceMethods for GPUDevice {
                     id,
                     wgpu_descriptor.clone(),
                 ))
-                .unwrap()
+                .expect("Failed to create WebGPU buffer");
         } else {
             return vec![js_val.get()];
         };