Added Header and Footer support using Skia

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 cb3e0e2115af7fee679f554e3b89a860c8789e20..594b438365e67077d283ce279aaacc839f24991d 100644
--- a/printing/printing_context_mac.h
+++ b/printing/printing_context_mac.h
@@ -47,7 +47,11 @@ class PrintingContextMac : public PrintingContext {
   // printing.
   // This function ignores the page range information specified in the print
   // info object and use |ranges| instead.
-  void InitPrintSettingsFromPrintInfo(const PageRanges& ranges);
+  // Also initializes the header footer strings present in |header_footer_info|
+  // based on the page layout.
+  void InitPrintSettingsFromPrintInfo(
+      const PageRanges& ranges,
+      const base::DictionaryValue& header_footer_info);
 
   // Returns the set of page ranges constructed from |print_info_|.
   PageRanges GetPageRangesFromPrintInfo();