Remove custom left overs from object grouping

third_party/WebKit/Source/modules/mediasession/MediaSession.cpp

 // 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.
 
 #include "modules/mediasession/MediaSession.h"
 
 #include "bindings/modules/v8/MediaSessionActionHandler.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentUserGestureToken.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 212 matching lines @@
   UserGestureIndicator gestureIndicator(
       DocumentUserGestureToken::create(document));
 
   auto iter = m_actionHandlers.find(mojomActionToActionName(action));
   if (iter == m_actionHandlers.end())
     return;
 
   iter->value->call(this);
 }
 
-void MediaSession::setV8ReferencesForHandlers(
-    v8::Isolate* isolate,
-    const v8::Persistent<v8::Object>& wrapper) {
-  for (auto handler : m_actionHandlers.values())
-    handler->setWrapperReference(isolate, wrapper);
-}
-
 DEFINE_TRACE(MediaSession) {
   visitor->trace(m_metadata);
   visitor->trace(m_actionHandlers);
   ContextClient::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(MediaSession) {
   for (auto handler : m_actionHandlers.values())
     visitor->traceWrappers(handler);
 }
 
 }  // namespace blink