Implement sk_sp<SkImageFilter> StructTraits

skia/public/interfaces/test/traits_test_service.mojom

Index: skia/public/interfaces/test/traits_test_service.mojom
diff --git a/ui/gfx/mojo/traits_test_service.mojom b/skia/public/interfaces/test/traits_test_service.mojom
similarity index 59%
copy from ui/gfx/mojo/traits_test_service.mojom
copy to skia/public/interfaces/test/traits_test_service.mojom
index 02afb889e0dd9e1987132316970e85419aa5a258..fc1d2be41eaab8d9c9c158755322873a71a3e94b 100644
--- a/ui/gfx/mojo/traits_test_service.mojom
+++ b/skia/public/interfaces/test/traits_test_service.mojom
@@ -2,17 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-module gfx.mojom;
+module skia.mojom;
 
-import "ui/gfx/mojo/selection_bound.mojom";
-import "ui/gfx/mojo/transform.mojom";
+import "skia/public/interfaces/image_filter.mojom";
 
 // All functions on this interface echo their arguments to test StructTraits
 // serialization and deserialization.
 interface TraitsTestService {
   [Sync]
-  EchoSelectionBound(SelectionBound s) => (SelectionBound pass);
-
-  [Sync]
-  EchoTransform(Transform t) => (Transform pass);
+  EchoImageFilter(ImageFilter b) => (ImageFilter pass);
 };