Mac Overlays: Allow SolidColor and Tile quads to be candidates for overlays.

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 mojo;
 
 import "components/mus/public/interfaces/surface_id.mojom";
 import "ui/mojo/geometry/geometry.mojom";
 
 struct Color {
@@ skipping 68 matching lines @@
   bool y_flipped;
   bool nearest_neighbor;
 };
 
 struct TileQuadState {
   RectF tex_coord_rect;
   Size texture_size;
   bool swizzle_contents;
   uint32 resource_id;
   bool nearest_neighbor;
+  bool allow_overlay;
 };
 
 struct StreamVideoQuadState {};
 
 enum YUVColorSpace {
   REC_601,       // SDTV standard with restricted "studio swing" color range.
   REC_709,       // HDTV standard with restricted "studio swing" color range.
   JPEG,          // Full color range [0, 255] JPEG color space.
 };
 
@@ skipping 120 matching lines @@
 
 struct Pass {
   RenderPassId id;
   Rect output_rect;
   Rect damage_rect;
   Transform transform_to_root_target;
   bool has_transparent_background;
   array<Quad> quads;
   array<SharedQuadState> shared_quad_states;
 };