Oilpan: finalization of Permissions and SyncManager not needed.

Source/modules/permissions/Permissions.h

 // Copyright 2014 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 Permissions_h
 #define Permissions_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 
 namespace WTF {
 class AtomicString;
 } // namespace WTF
 
 namespace blink {
 
 class ScriptState;
 
 class Permissions final
-    : public GarbageCollectedFinalized<Permissions>
+    : public GarbageCollected<Permissions>
     , public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    virtual ~Permissions();
-
-    DECLARE_VIRTUAL_TRACE();
+    DEFINE_INLINE_TRACE() { }
 
     ScriptPromise query(ScriptState*, const AtomicString&);
 };
 
 } // namespace blink
 
 #endif // Permissions_h