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

Source/modules/background_sync/SyncError.h

 // Copyright 2015 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.
 
 #ifndef SyncError_h
 #define SyncError_h
 
 #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
 
 #endif // SyncError_h