Added Header and Footer support using Skia

printing/print_settings_initializer_gtk.h

Index: printing/print_settings_initializer_gtk.h
diff --git a/printing/print_settings_initializer_gtk.h b/printing/print_settings_initializer_gtk.h
index 7ac252b9df65858803c89099681d413e018e4db5..7fb064d26eb5fbdafa6837e44eacf10692fe585b 100644
--- a/printing/print_settings_initializer_gtk.h
+++ b/printing/print_settings_initializer_gtk.h
@@ -11,6 +11,12 @@
 typedef struct _GtkPrintSettings GtkPrintSettings;
 typedef struct _GtkPageSetup GtkPageSetup;
 
+namespace base {
+class DictionaryValue;
+}
+
+using base::DictionaryValue;
+
 namespace printing {
 
 class PrintSettings;
@@ -22,6 +28,7 @@ class PrintSettingsInitializerGtk {
                                 GtkPageSetup* page_setup,
                                 const PageRanges& new_ranges,
                                 bool print_selection_only,
+                                const DictionaryValue& header_footer_info,
                                 PrintSettings* print_settings);
 
   // The default margins, in points. These values are based on 72 dpi,