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

printing/printing_context_mac.h

Index: printing/printing_context_mac.h
diff --git a/printing/printing_context_mac.h b/printing/printing_context_mac.h
index 8e7e51082d7eccd0d0277bfd10f2b453bcd91309..9257510807ef5f3a8a44e601d0608b64f84ecb6e 100644
--- a/printing/printing_context_mac.h
+++ b/printing/printing_context_mac.h
@@ -31,8 +31,8 @@ class PRINTING_EXPORT PrintingContextMac : public PrintingContext {
       bool has_selection,
       const PrintSettingsCallback& callback) OVERRIDE;
   virtual Result UseDefaultSettings() OVERRIDE;
-  virtual Result UpdatePrinterSettings(bool target_is_pdf,
-                                       bool external_preview) OVERRIDE;
+  virtual gfx::Size GetPdfPaperSizeDeviceUnits() 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;