Implement RenderPassId StructTrait

components/mus/public/interfaces/quads.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module mus.mojom;
 
+import "cc/ipc/render_pass_id.mojom";
 import "cc/ipc/surface_id.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
 struct Color {
   uint32 rgba;
 };
 
 struct CheckerboardQuadState {
   // Checkerboard color.
   Color color;
 
   // The scale factor of checkers. Chromium uses device scale factor for
   // it.
   float scale;
 };
 
 struct DebugBorderQuadState {
   // Debug border color.
   Color color;
 
   // Debug border width.
   int32 width;
 };
 
 // TODO(jamesr): Populate subtype fields.
 struct IoSurfaceContentQuadState {};
 
-struct RenderPassId {
-  int32 layer_id;
-  uint32 index;
-};
-
 struct RenderPassQuadState {
-  RenderPassId render_pass_id;
+  cc.mojom.RenderPassId render_pass_id;
 
   // If nonzero, resource id of mask to use when drawing this pass.
   uint32 mask_resource_id;
   mojo.PointF mask_uv_scale;
   mojo.Size mask_texture_size;
 
   // Post-processing filters, applied to the pixels in the render pass' texture.
   // TODO(jamesr): Support
   // FilterOperations filters;
 
@@ skipping 162 matching lines @@
   // This rect lives in the target content space.
   mojo.Rect clip_rect;
 
   bool is_clipped;
   float opacity;
   SkXfermode blend_mode;
   int32 sorting_context_id;
 };
 
 struct Pass {
-  RenderPassId id;
+  cc.mojom.RenderPassId id;
   mojo.Rect output_rect;
   mojo.Rect damage_rect;
   mojo.Transform transform_to_root_target;
   bool has_transparent_background;
   array<Quad> quads;
   array<SharedQuadState> shared_quad_states;
 };