Oilpan: finalization of Permissions and SyncManager not needed.

Source/modules/permissions/Permissions.cpp

 // 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.
 
 #include "config.h"
 #include "modules/permissions/Permissions.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
@@ skipping 15 matching lines @@
         if (!document->frame())
             return nullptr;
         PermissionController* controller = PermissionController::from(*document->frame());
         return controller ? controller->client() : nullptr;
     }
     return Platform::current()->permissionClient();
 }
 
 } // anonymous namespace
 
-Permissions::~Permissions()
-{
-}
-
 ScriptPromise Permissions::query(ScriptState* scriptState, const AtomicString& permissionName)
 {
     WebPermissionClient* client = permissionClient(scriptState->executionContext());
     if (!client)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "In its current state, the global scope can't query permissions."));
 
     WebPermissionType type;
     if (permissionName == "geolocation") {
         type = WebPermissionTypeGeolocation;
     } else if (permissionName == "notifications") {
@@ skipping 11 matching lines @@
     ScriptPromise promise = resolver->promise();
 
     // If the current origin is a file scheme, it will unlikely return a
     // meaningful value because most APIs are broken on file scheme and no
     // permission prompt will be shown even if the returned permission will most
     // likely be "prompt".
     client->queryPermission(type, KURL(KURL(), scriptState->executionContext()->securityOrigin()->toString()), new PermissionQueryCallback(resolver, type));
     return promise;
 }
 
-DEFINE_TRACE(Permissions)
-{
-}
-
 } // namespace blink