Introduce new async IPC message to get file icons

third_party/WebKit/WebCore/platform/graphics/Icon.h

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 24 matching lines @@
 #endif
 #elif PLATFORM(WIN)
 typedef struct HICON__* HICON;
 #elif PLATFORM(QT)
 #include <QIcon>
 #elif PLATFORM(GTK)
 typedef struct _GdkPixbuf GdkPixbuf;
 #elif PLATFORM(EFL)
 #include <Evas.h>
 #elif PLATFORM(CHROMIUM)
+#include "Image.h"
 #include "PlatformIcon.h"
 #endif
 
 namespace WebCore {
 
 class GraphicsContext;
 class IntRect;
 class String;
     
 class Icon : public RefCounted<Icon> {
 public:
     static PassRefPtr<Icon> createIconForFiles(const Vector<String>& filenames);
 
     ~Icon();
 
     void paint(GraphicsContext*, const IntRect&);
 
 #if PLATFORM(WIN)
     static PassRefPtr<Icon> create(HICON hIcon) { return adoptRef(new Icon(hIcon)); }
+#elif PLATFORM(CHROMIUM)
+    static PassRefPtr<Icon> create(PassRefPtr<PlatformIcon> icon) { return adoptRef(new Icon(icon)); }
 #endif
 
 private:
 #if PLATFORM(MAC)
     Icon(NSImage*);
     RetainPtr<NSImage> m_nsImage;
 #elif PLATFORM(WIN)
     Icon(HICON);
     HICON m_hIcon;
 #elif PLATFORM(QT)
     Icon();
     QIcon m_icon;
 #elif PLATFORM(GTK)
     Icon();
     GdkPixbuf* m_icon;
 #elif PLATFORM(EFL)
     Icon();
     Evas_Object* m_icon;
 #elif PLATFORM(CHROMIUM)
-    Icon(const PlatformIcon&);
-    PlatformIcon m_icon;
+    Icon(PassRefPtr<PlatformIcon>);
+    RefPtr<PlatformIcon> m_icon;
 #endif
 };
 
 }
 
 #endif