[part 1] Make classes and structures in modules/ fast-allocated.

Source/modules/background_sync/SyncError.h

Index: Source/modules/background_sync/SyncError.h
diff --git a/Source/modules/background_sync/SyncError.h b/Source/modules/background_sync/SyncError.h
index 9b902293fdc3fe8f1fbba4668612350e7d327a3f..b4f9d949d2dcf525c1cbba26bd43d09d1aac2177 100644
--- a/Source/modules/background_sync/SyncError.h
+++ b/Source/modules/background_sync/SyncError.h
@@ -8,18 +8,16 @@
 #include "core/dom/DOMException.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/modules/background_sync/WebSyncError.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 class ScriptPromiseResolver;
 
 class SyncError {
-    WTF_MAKE_NONCOPYABLE(SyncError);
+    STATIC_ONLY(SyncError);
 public:
     static DOMException* take(ScriptPromiseResolver*, const WebSyncError&);
-
-private:
-    SyncError() = delete;
 };
 
 } // namespace blink