Oilpan: move DateTimeChooser to the heap.

third_party/WebKit/Source/core/page/ChromeClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 150 matching lines @@
     virtual void annotatedRegionsChanged() = 0;
 
     virtual PassOwnPtrWillBeRawPtr<ColorChooser> openColorChooser(LocalFrame*, ColorChooserClient*, const Color&) = 0;
 
     // This function is used for:
     //  - Mandatory date/time choosers if !ENABLE(INPUT_MULTIPLE_FIELDS_UI)
     //  - Date/time choosers for types for which LayoutTheme::supportsCalendarPicker
     //    returns true, if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
     //  - <datalist> UI for date/time input types regardless of
     //    ENABLE(INPUT_MULTIPLE_FIELDS_UI)
-    virtual PassRefPtr<DateTimeChooser> openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&) = 0;
+    virtual PassRefPtrWillBeRawPtr<DateTimeChooser> openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&) = 0;
 
     virtual void openTextDataListChooser(HTMLInputElement&)= 0;
 
     virtual void openFileChooser(LocalFrame*, PassRefPtr<FileChooser>) = 0;
 
     // Asychronous request to enumerate all files in a directory chosen by the user.
     virtual void enumerateChosenDirectory(FileChooser*) = 0;
 
     // Allows ports to customize the type of graphics layers created by this page.
     virtual GraphicsLayerFactory* graphicsLayerFactory() const { return nullptr; }
@@ skipping 86 matching lines @@
     virtual void printDelegate(LocalFrame*) = 0;
 
 private:
     bool canOpenModalIfDuringPageDismissal(Frame* mainFrame, DialogType, const String& message);
     void setToolTip(const HitTestResult&);
 };
 
 } // namespace blink
 
 #endif // ChromeClient_h