Modified old wait sync point functions to also accept new sync tokens.

mojo/converters/surfaces/surfaces_type_converters.h

Index: mojo/converters/surfaces/surfaces_type_converters.h
diff --git a/mojo/converters/surfaces/surfaces_type_converters.h b/mojo/converters/surfaces/surfaces_type_converters.h
index 4bcb0db2b5d5248419e6e3c8bb75033ef7c5521c..a172a8d0f4714fd6bed72f0c74efab572614b94c 100644
--- a/mojo/converters/surfaces/surfaces_type_converters.h
+++ b/mojo/converters/surfaces/surfaces_type_converters.h
@@ -14,6 +14,7 @@
 #include "components/mus/public/interfaces/surface_id.mojom.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/mailbox_holder.h"
+#include "gpu/command_buffer/common/sync_token.h"
 #include "mojo/converters/surfaces/mojo_surfaces_export.h"
 #include "third_party/skia/include/core/SkColor.h"
 
@@ -106,6 +107,17 @@ struct MOJO_SURFACES_EXPORT
 
 template <>
 struct MOJO_SURFACES_EXPORT
+    TypeConverter<mus::mojom::SyncTokenPtr, gpu::SyncToken> {
+  static mus::mojom::SyncTokenPtr Convert(const gpu::SyncToken& input);
+};
+template <>
+struct MOJO_SURFACES_EXPORT
+    TypeConverter<gpu::SyncToken, mus::mojom::SyncTokenPtr> {
+  static gpu::SyncToken Convert(const mus::mojom::SyncTokenPtr& input);
+};
+
+template <>
+struct MOJO_SURFACES_EXPORT
     TypeConverter<mus::mojom::MailboxHolderPtr, gpu::MailboxHolder> {
   static mus::mojom::MailboxHolderPtr Convert(const gpu::MailboxHolder& input);
 };