webgpu: Refactor webgpu crate (#32255)

* wgpu(_core) -> wgc

* Refactor webgpu crate

split lib.rs into multiple modules

components/webgpu/script_messages.rs

@@ -0,0 +1,55 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+//! IPC massages that are send to script thread (global scope).
+
+use msg::constellation_msg::PipelineId;
+use serde::{Deserialize, Serialize};
+
+use crate::identity::WebGPUDevice;
+use crate::wgc::id::{
+    AdapterId, BindGroupId, BindGroupLayoutId, BufferId, CommandBufferId, ComputePipelineId,
+    DeviceId, PipelineLayoutId, QuerySetId, RenderBundleId, RenderPipelineId, SamplerId,
+    ShaderModuleId, StagingBufferId, SurfaceId, TextureId, TextureViewId,
+};
+use crate::ErrorScopeId;
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub enum WebGPUOpResult {
+    ValidationError(String),
+    OutOfMemoryError,
+    Success,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub enum WebGPUMsg {
+    FreeAdapter(AdapterId),
+    FreeDevice(DeviceId),
+    FreeBuffer(BufferId),
+    FreePipelineLayout(PipelineLayoutId),
+    FreeComputePipeline(ComputePipelineId),
+    FreeRenderPipeline(RenderPipelineId),
+    FreeBindGroup(BindGroupId),
+    FreeBindGroupLayout(BindGroupLayoutId),
+    FreeCommandBuffer(CommandBufferId),
+    FreeTexture(TextureId),
+    FreeTextureView(TextureViewId),
+    FreeSampler(SamplerId),
+    FreeSurface(SurfaceId),
+    FreeShaderModule(ShaderModuleId),
+    FreeRenderBundle(RenderBundleId),
+    FreeStagingBuffer(StagingBufferId),
+    FreeQuerySet(QuerySetId),
+    WebGPUOpResult {
+        device: WebGPUDevice,
+        scope_id: Option<ErrorScopeId>,
+        pipeline_id: PipelineId,
+        result: WebGPUOpResult,
+    },
+    CleanDevice {
+        device: WebGPUDevice,
+        pipeline_id: PipelineId,
+    },
+    Exit,
+}