Connect the right metafiles for print preview on Linux and Windows.

printing/native_metafile_factory.h

-// Copyright (c) 2011 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 PRINTING_NATIVE_METAFILE_FACTORY_H_
-#define PRINTING_NATIVE_METAFILE_FACTORY_H_
-
-#include "base/basictypes.h"
-#include "printing/native_metafile.h"
-
-namespace printing {
-
-// Various printing contexts will be supported in the future (cairo, skia, emf).
-// So this class returns the appropriate context depending on the platform and
-// user preferences.
-// (Note: For the moment there is only one option per platform.)
-class NativeMetafileFactory {
- public:
-  // This method returns a pointer to the appropriate NativeMetafile object
-  // according to the platform. The metafile is already initialized by invoking
-  // Init() on it. NULL is returned if Init() fails.
-  static printing::NativeMetafile* Create();
-
-  // This method returns a pointer to the appropriate NativeMetafile object
-  // according to the platform. The metafile is already initialized by invoking
-  // InitFromData(src_buffer,_buffer_size) on it. NULL is returned if
-  // InitiFromData() fails.
-  static printing::NativeMetafile* CreateFromData(const void* src_buffer,
-                                                  uint32 src_buffer_size);
-
- private:
-  NativeMetafileFactory();
-
-  // Retrieves a new uninitialized metafile.
-  static NativeMetafile* CreateNewMetafile();
-
-  DISALLOW_COPY_AND_ASSIGN(NativeMetafileFactory);
-};
-
-}  // namespace printing
-
-#endif  // PRINTING_NATIVE_METAFILE_FACTORY_H_