Mojo C++ bindings: change the first template parameter of StructTraits and UnionTraits.

gpu/ipc/common/sync_token_struct_traits.h

Index: gpu/ipc/common/sync_token_struct_traits.h
diff --git a/gpu/ipc/common/sync_token_struct_traits.h b/gpu/ipc/common/sync_token_struct_traits.h
index 8dc381d31f2c9f8334a732388ad24546a8bffce9..a12d4f0a58c5502bb99cc5900f380e34ff646066 100644
--- a/gpu/ipc/common/sync_token_struct_traits.h
+++ b/gpu/ipc/common/sync_token_struct_traits.h
@@ -11,7 +11,7 @@
 namespace mojo {
 
 template <>
-struct StructTraits<gpu::mojom::SyncToken, gpu::SyncToken> {
+struct StructTraits<gpu::mojom::SyncTokenDataView, gpu::SyncToken> {
   static bool verified_flush(const gpu::SyncToken& token) {
     return token.verified_flush();
   }