Move settings setup for PDF and cloud print into single location in PrintingContext

printing/printing_context_gtk.h

Index: printing/printing_context_gtk.h
diff --git a/printing/printing_context_gtk.h b/printing/printing_context_gtk.h
index 1977893ce6459443b7033056d1bf01185cbe6378..8476bfb30a59631a693c0d4bb70e62bdb8aa3fa3 100644
--- a/printing/printing_context_gtk.h
+++ b/printing/printing_context_gtk.h
@@ -37,9 +37,9 @@ class PRINTING_EXPORT PrintingContextGtk : public PrintingContext {
       int max_pages,
       bool has_selection,
       const PrintSettingsCallback& callback) OVERRIDE;
+  virtual gfx::Size GetPdfPaperSizeDeviceUnits() OVERRIDE;
   virtual Result UseDefaultSettings() OVERRIDE;
-  virtual Result UpdatePrinterSettings(bool target_is_pdf,
-                                       bool external_preview) OVERRIDE;
+  virtual Result UpdatePrinterSettings(bool external_preview) OVERRIDE;
   virtual Result InitWithSettings(const PrintSettings& settings) OVERRIDE;
   virtual Result NewDocument(const base::string16& document_name) OVERRIDE;
   virtual Result NewPage() OVERRIDE;