Implement SharedQuadStateList StructTraits

components/mus/public/cpp/surfaces/surfaces_utils.cc

 // 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.
 
 #include "components/mus/public/cpp/surfaces/surfaces_utils.h"
 
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/transform.h"
 
 using cc::mojom::RenderPass;
 using cc::mojom::RenderPassPtr;
 
 namespace mojo {
 
-cc::SharedQuadState CreateDefaultSQS(const gfx::Size& size) {
-  cc::SharedQuadState sqs;
-  sqs.quad_layer_bounds = size;
-  sqs.visible_quad_layer_rect = gfx::Rect(size);
-  sqs.clip_rect = gfx::Rect(size);
-  sqs.is_clipped = false;
-  sqs.opacity = 1.f;
-  sqs.blend_mode = SkXfermode::kSrc_Mode;
-  sqs.sorting_context_id = 0;
-  return sqs;
+void ConfigureSharedQuadState(const gfx::Size& size, cc::SharedQuadState* out) {
+  out->quad_layer_bounds = size;
+  out->visible_quad_layer_rect = gfx::Rect(size);
+  out->clip_rect = gfx::Rect(size);
+  out->is_clipped = false;
+  out->opacity = 1.f;
+  out->blend_mode = SkXfermode::kSrc_Mode;
+  out->sorting_context_id = 0;
 }
 
 RenderPassPtr CreateDefaultPass(int id, const gfx::Rect& rect) {
   RenderPassPtr pass = RenderPass::New();
   cc::RenderPassId render_pass_id;
   render_pass_id.layer_id = 1;
   render_pass_id.index = id;
   pass->id = render_pass_id;
   pass->output_rect = rect;
   pass->damage_rect = rect;
   pass->has_transparent_background = false;
   return pass;
 }
 
 }  // namespace mojo