Oilpan: trace ColorChooserPopupUIController::m_chromeClient

third_party/WebKit/Source/web/ColorChooserPopupUIController.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 19 matching lines @@
 #include "web/ColorChooserUIController.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class ChromeClientImpl;
 class ColorChooserClient;
 class PagePopup;
 
 class ColorChooserPopupUIController final : public ColorChooserUIController, public PagePopupClient  {
-
+    WILL_BE_USING_PRE_FINALIZER(ColorChooserPopupUIController, dispose);
 public:
     static PassOwnPtrWillBeRawPtr<ColorChooserPopupUIController> create(LocalFrame* frame, ChromeClientImpl* chromeClient, ColorChooserClient* client)
     {
         return adoptPtrWillBeNoop(new ColorChooserPopupUIController(frame, chromeClient, client));
     }
 
     ~ColorChooserPopupUIController() override;
+    DECLARE_VIRTUAL_TRACE();
 
     // ColorChooserUIController functions:
     void openUI() override;
 
     // ColorChooser functions
     void endChooser() override;
     AXObject* rootAXObject() override;
 
     // PagePopupClient functions:
     void writeDocument(SharedBuffer*) override;
     void selectFontsFromOwnerDocument(Document&) override { }
     Locale& locale() override;
     void setValueAndClosePopup(int, const String&) override;
     void setValue(const String&) override;
     void closePopup() override;
     Element& ownerElement() override;
     void didClosePopup() override;
 
 private:
     ColorChooserPopupUIController(LocalFrame*, ChromeClientImpl*, ColorChooserClient*);
 
     void openPopup();
+    void dispose();
 
-    ChromeClientImpl* m_chromeClient;
+    RawPtrWillBeMember<ChromeClientImpl> m_chromeClient;
     PagePopup* m_popup;
     Locale& m_locale;
 };
 
 } // namespace blink
 
 #endif // ColorChooserPopupUIController_h