De-duplicate job_settings parsing code.

chrome/browser/printing/print_dialog_gtk.h

 // Copyright (c) 2012 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_PRINTING_PRINT_DIALOG_GTK_H_
 #define CHROME_BROWSER_PRINTING_PRINT_DIALOG_GTK_H_
 
 #include <gtk/gtk.h>
 #include <gtk/gtkunixprint.h>
 
@@ skipping 18 matching lines @@
     : public printing::PrintDialogGtkInterface,
       public base::RefCountedThreadSafe<
           PrintDialogGtk, content::BrowserThread::DeleteOnUIThread> {
  public:
   // Creates and returns a print dialog.
   static printing::PrintDialogGtkInterface* CreatePrintDialog(
       PrintingContextGtk* context);
 
   // printing::PrintDialogGtkInterface implementation.
   virtual void UseDefaultSettings() OVERRIDE;
-  virtual bool UpdateSettings(const base::DictionaryValue& job_settings,
-                              const printing::PageRanges& ranges,
+  virtual bool UpdateSettings(bool target_is_pdf,
                               printing::PrintSettings* settings) OVERRIDE;
   virtual void ShowDialog(
       gfx::NativeView parent_view,
       bool has_selection,
       const PrintingContextGtk::PrintSettingsCallback& callback) OVERRIDE;
   virtual void PrintDocument(const printing::Metafile* metafile,
                              const string16& document_name) OVERRIDE;
   virtual void AddRefToDialog() OVERRIDE;
   virtual void ReleaseDialog() OVERRIDE;
 
@@ skipping 11 matching lines @@
   // Prints document named |document_name|.
   void SendDocumentToPrinter(const string16& document_name);
 
   // Handles print job response.
   static void OnJobCompletedThunk(GtkPrintJob* print_job,
                                   gpointer user_data,
                                   GError* error);
   void OnJobCompleted(GtkPrintJob* print_job, GError* error);
 
   // Helper function for initializing |context_|'s PrintSettings with a given
-  // set of |page_ranges| and |settings|.
-  void InitPrintSettings(const printing::PageRanges& page_ranges,
-                         printing::PrintSettings* settings);
+  // |settings|.
+  void InitPrintSettings(printing::PrintSettings* settings);
 
   // Printing dialog callback.
   PrintingContextGtk::PrintSettingsCallback callback_;
   PrintingContextGtk* context_;
 
   // Print dialog settings. PrintDialogGtk owns |dialog_| and holds references
   // to the other objects.
   GtkWidget* dialog_;
   GtkPrintSettings* gtk_settings_;
   GtkPageSetup* page_setup_;
   GtkPrinter* printer_;
 
   base::FilePath path_to_pdf_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_DIALOG_GTK_H_