Oilpan: remove GC plugin ignore for recursive value objects.

Source/core/inspector/DevToolsHost.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 106 matching lines @@
     FrontendMenuProvider(DevToolsHost* devtoolsHost, ScriptValue frontendApiObject, const Vector<ContextMenuItem>& items)
         : m_devtoolsHost(devtoolsHost)
         , m_frontendApiObject(frontendApiObject)
         , m_items(items)
     {
     }
 
     RawPtrWillBeMember<DevToolsHost> m_devtoolsHost;
     ScriptValue m_frontendApiObject;
 
-    // FIXME: Oilpan: remove when http://crbug.com/424962 Blink GC plugin
-    // changes have been deployed. ContextMenuItem triggers looping behavior.
-    GC_PLUGIN_IGNORE("crbug.com/424962")
     Vector<ContextMenuItem> m_items;
 };
 
 DevToolsHost::DevToolsHost(InspectorFrontendClient* client, Page* frontendPage)
     : m_client(client)
     , m_frontendPage(frontendPage)
     , m_menuProvider(nullptr)
 {
 }
 
@@ skipping 133 matching lines @@
 {
     return m_client && m_client->isUnderTest();
 }
 
 bool DevToolsHost::isHostedMode()
 {
     return false;
 }
 
 } // namespace blink