Added Header and Footer support using Skia

chrome/browser/printing/print_dialog_gtk.h

Index: chrome/browser/printing/print_dialog_gtk.h
diff --git a/chrome/browser/printing/print_dialog_gtk.h b/chrome/browser/printing/print_dialog_gtk.h
index af082d6068bac048d8b3352989ddb5701e61a31d..be52d63a81e82b713d013e75380a6bc7db827d90 100644
--- a/chrome/browser/printing/print_dialog_gtk.h
+++ b/chrome/browser/printing/print_dialog_gtk.h
@@ -40,7 +40,8 @@ class PrintDialogGtk
   // printing::PrintDialogGtkInterface implementation.
   virtual void UseDefaultSettings();
   virtual bool UpdateSettings(const base::DictionaryValue& settings,
-                              const printing::PageRanges& ranges);
+                              const printing::PageRanges& ranges,
+                              const base::DictionaryValue& header_footer_info);
   virtual void ShowDialog(
       PrintingContextCairo::PrintSettingsCallback* callback);
   virtual void PrintDocument(const printing::Metafile* metafile,
@@ -72,8 +73,10 @@ class PrintDialogGtk
   void OnJobCompleted(GtkPrintJob* print_job, GError* error);
 
   // Helper function for initializing |context_|'s PrintSettings with a given
-  // set of |page_ranges|.
-  void InitPrintSettings(const printing::PageRanges& page_ranges);
+  // set of |page_ranges|. Also initializes the header footer strings present
+  // in |header_footer_info| based on the page layout.
+  void InitPrintSettings(const printing::PageRanges& page_ranges,
+                         const base::DictionaryValue& header_footer_info);
 
   // Printing dialog callback.
   PrintingContextCairo::PrintSettingsCallback* callback_;