Implement cc::SharedQuadState StructTraits

components/mus/public/interfaces/quads.mojom

Index: components/mus/public/interfaces/quads.mojom
diff --git a/components/mus/public/interfaces/quads.mojom b/components/mus/public/interfaces/quads.mojom
index 3bdb40455e28aca659db72902e03fdda69d96a89..578a59f06438c6607a65ff0a0ad3adb207cdf3e1 100644
--- a/components/mus/public/interfaces/quads.mojom
+++ b/components/mus/public/interfaces/quads.mojom
@@ -5,6 +5,7 @@
 module mus.mojom;
 
 import "cc/ipc/render_pass_id.mojom";
+import "cc/ipc/shared_quad_state.mojom";
 import "cc/ipc/surface_id.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 import "ui/gfx/mojo/transform.mojom";
@@ -156,66 +157,6 @@ struct Quad {
   YUVVideoQuadState? yuv_video_quad_state;
 };
 
-enum SkXfermode {
-  kClear_Mode = 0,    //!< [0, 0]
-  kSrc_Mode,      //!< [Sa, Sc]
-  kDst_Mode,      //!< [Da, Dc]
-  kSrcOver_Mode,  //!< [Sa + Da - Sa*Da, Rc = Sc + (1 - Sa)*Dc]
-  kDstOver_Mode,  //!< [Sa + Da - Sa*Da, Rc = Dc + (1 - Da)*Sc]
-  kSrcIn_Mode,    //!< [Sa * Da, Sc * Da]
-  kDstIn_Mode,    //!< [Sa * Da, Sa * Dc]
-  kSrcOut_Mode,   //!< [Sa * (1 - Da), Sc * (1 - Da)]
-  kDstOut_Mode,   //!< [Da * (1 - Sa), Dc * (1 - Sa)]
-  kSrcATop_Mode,  //!< [Da, Sc * Da + (1 - Sa) * Dc]
-  kDstATop_Mode,  //!< [Sa, Sa * Dc + Sc * (1 - Da)]
-  kXor_Mode,      //!< [Sa + Da - 2 * Sa * Da, Sc * (1 - Da) + (1 - Sa) * Dc]
-  kPlus_Mode,     //!< [Sa + Da, Sc + Dc]
-  kModulate_Mode, // multiplies all components (= alpha and color)
-
-  // Following blend modes are defined in the CSS Compositing standard:
-  // https://dvcs.w3.org/hg/FXTF/rawfile/tip/compositing/index.html#blending
-  kScreen_Mode,
-  kLastCoeffMode = kScreen_Mode,
-
-  kOverlay_Mode,
-  kDarken_Mode,
-  kLighten_Mode,
-  kColorDodge_Mode,
-  kColorBurn_Mode,
-  kHardLight_Mode,
-  kSoftLight_Mode,
-  kDifference_Mode,
-  kExclusion_Mode,
-  kMultiply_Mode,
-  kLastSeparableMode = kMultiply_Mode,
-
-  kHue_Mode,
-  kSaturation_Mode,
-  kColor_Mode,
-  kLuminosity_Mode,
-  kLastMode = kLuminosity_Mode
-};
-
-struct SharedQuadState {
-  // mojo.Transforms quad rects into the target content space.
-  gfx.mojom.Transform quad_to_target_transform;
-
-  // The size of the quads' originating layer in the space of the quad rects.
-  gfx.mojom.Size quad_layer_bounds;
-
-  // The size of the visible area in the quads' originating layer, in the space
-  // of the quad rects.
-  gfx.mojom.Rect visible_quad_layer_rect;
-
-  // This rect lives in the target content space.
-  gfx.mojom.Rect clip_rect;
-
-  bool is_clipped;
-  float opacity;
-  SkXfermode blend_mode;
-  int32 sorting_context_id;
-};
-
 struct Pass {
   cc.mojom.RenderPassId id;
   gfx.mojom.Rect output_rect;
@@ -223,5 +164,5 @@ struct Pass {
   gfx.mojom.Transform transform_to_root_target;
   bool has_transparent_background;
   array<Quad> quads;
-  array<SharedQuadState> shared_quad_states;
+  array<cc.mojom.SharedQuadState> shared_quad_states;
 };