Extracted MetafilePlayer interface from printing::MetafilePlayer.

chrome/browser/ui/libgtk2ui/print_dialog_gtk2.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_UI_LIBGTK2UI_PRINT_DIALOG_GTK2_H_
 #define CHROME_BROWSER_UI_LIBGTK2UI_PRINT_DIALOG_GTK2_H_
 
 #include <gtk/gtk.h>
 #include <gtk/gtkunixprint.h>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "chrome/browser/ui/libgtk2ui/gtk2_signal.h"
 #include "content/public/browser/browser_thread.h"
 #include "printing/print_dialog_gtk_interface.h"
 #include "printing/printing_context_linux.h"
 #include "ui/aura/window_observer.h"
 
 namespace printing {
-class Metafile;
+class MetafilePlayer;
 class PrintSettings;
 }
 
 using printing::PrintingContextLinux;
 
 // Needs to be freed on the UI thread to clean up its GTK members variables.
 class PrintDialogGtk2
     : public printing::PrintDialogGtkInterface,
       public base::RefCountedThreadSafe<
           PrintDialogGtk2, content::BrowserThread::DeleteOnUIThread>,
       public aura::WindowObserver {
  public:
   // Creates and returns a print dialog.
   static printing::PrintDialogGtkInterface* CreatePrintDialog(
       PrintingContextLinux* context);
 
   // printing::PrintDialogGtkInterface implementation.
   virtual void UseDefaultSettings() OVERRIDE;
   virtual bool UpdateSettings(printing::PrintSettings* settings) OVERRIDE;
   virtual void ShowDialog(
       gfx::NativeView parent_view,
       bool has_selection,
       const PrintingContextLinux::PrintSettingsCallback& callback) OVERRIDE;
-  virtual void PrintDocument(const printing::Metafile* metafile,
+  virtual void PrintDocument(const printing::MetafilePlayer& metafile,
                              const base::string16& document_name) OVERRIDE;
   virtual void AddRefToDialog() OVERRIDE;
   virtual void ReleaseDialog() OVERRIDE;
 
  private:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::UI>;
   friend class base::DeleteHelper<PrintDialogGtk2>;
 
   explicit PrintDialogGtk2(PrintingContextLinux* context);
@@ skipping 28 matching lines @@
   GtkPrintSettings* gtk_settings_;
   GtkPageSetup* page_setup_;
   GtkPrinter* printer_;
 
   base::FilePath path_to_pdf_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintDialogGtk2);
 };
 
 #endif  // CHROME_BROWSER_UI_LIBGTK2UI_PRINT_DIALOG_GTK2_H_