Create a Factory for NativeMetafile.

printing/printing_context_cairo.cc

 // 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.
 
 #include "printing/printing_context_cairo.h"
 
 #include "base/logging.h"
 #include "printing/units.h"
 
 #if defined(OS_CHROMEOS)
 #include <unicode/ulocdata.h>
 #include <printing/native_metafile.h>
+#include "printing/pdf_ps_metafile_cairo.h"
 #else
 #include <gtk/gtk.h>
 #include <gtk/gtkprintunixdialog.h>
-

[vandebo (ex-Chrome), 2011/02/24 22:42:50]

This space is actually useful, it separates system defines from out defines. 

 #include "printing/print_settings_initializer_gtk.h"
 #endif  // defined(OS_CHROMEOS)
 
 #if !defined(OS_CHROMEOS)
 namespace {
   // Function pointer for creating print dialogs.
   static void* (*create_dialog_func_)(
       printing::PrintingContext::PrintSettingsCallback* callback,
       printing::PrintingContextCairo* context) = NULL;
   // Function pointer for printing documents.
@@ skipping 85 matching lines @@
     height = static_cast<int>(11 * dpi);
   } else {
     // ulocdata_getPaperSize returns the width and height in mm.
     // Convert this to pixels based on the dpi.
     width = static_cast<int>(ConvertUnitDouble(width, 25.4, 1.0) * dpi);
     height = static_cast<int>(ConvertUnitDouble(height, 25.4, 1.0) * dpi);
   }
 
   physical_size_device_units.SetSize(width, height);
   printable_area_device_units.SetRect(
-      static_cast<int>(NativeMetafile::kLeftMarginInInch * dpi),
-      static_cast<int>(NativeMetafile::kTopMarginInInch * dpi),
-      width - (NativeMetafile::kLeftMarginInInch +
-          NativeMetafile::kRightMarginInInch) * dpi,
-      height - (NativeMetafile::kTopMarginInInch +
-          NativeMetafile::kBottomMarginInInch) * dpi);
+      static_cast<int>(PdfPsMetafile::kLeftMarginInInch * dpi),
+      static_cast<int>(PdfPsMetafile::kTopMarginInInch * dpi),
+      width - (PdfPsMetafile::kLeftMarginInInch +
+          PdfPsMetafile::kRightMarginInInch) * dpi,
+      height - (PdfPsMetafile::kTopMarginInInch +
+          PdfPsMetafile::kBottomMarginInInch) * dpi);
 
   settings_.set_dpi(dpi);
   settings_.SetPrinterPrintableArea(physical_size_device_units,
                                     printable_area_device_units,
                                     dpi);
 #else  // defined(OS_CHROMEOS)
   GtkWidget* dialog = gtk_print_unix_dialog_new(NULL, NULL);
   GtkPrintSettings* settings =
       gtk_print_unix_dialog_get_settings(GTK_PRINT_UNIX_DIALOG(dialog));
   GtkPageSetup* page_setup =
@@ skipping 69 matching lines @@
 void PrintingContextCairo::ReleaseContext() {
   // Intentional No-op.
 }
 
 gfx::NativeDrawingContext PrintingContextCairo::context() const {
   // Intentional No-op.
   return NULL;
 }
 
 }  // namespace printing