Added Header and Footer support using Skia

printing/printing_context_mac.mm

Index: printing/printing_context_mac.mm
diff --git a/printing/printing_context_mac.mm b/printing/printing_context_mac.mm
index 90654e20ad228a86f845b81480e1b99dfe0bede0..7783569e2e079a752924801fe0bb6725c457ce00 100644
--- a/printing/printing_context_mac.mm
+++ b/printing/printing_context_mac.mm
@@ -82,7 +82,11 @@ void PrintingContextMac::AskUserForSettings(gfx::NativeView parent_view,
   NSInteger selection = [panel runModalWithPrintInfo:printInfo];
   if (selection == NSOKButton) {
     print_info_.reset([[panel printInfo] retain]);
-    InitPrintSettingsFromPrintInfo(GetPageRangesFromPrintInfo());
+    DictionaryValue header_footer_info;
+    header_footer_info.SetBoolean(printing::kSettingHeaderFooterEnabled,
+                                  false);
+    InitPrintSettingsFromPrintInfo(GetPageRangesFromPrintInfo(),
+                                   header_footer_info);
     callback->Run(OK);
   } else {
     callback->Run(CANCEL);
@@ -93,7 +97,11 @@ PrintingContext::Result PrintingContextMac::UseDefaultSettings() {
   DCHECK(!in_print_job_);
 
   print_info_.reset([[NSPrintInfo sharedPrintInfo] copy]);
-  InitPrintSettingsFromPrintInfo(GetPageRangesFromPrintInfo());
+  DictionaryValue header_footer_info;
+  header_footer_info.SetBoolean(printing::kSettingHeaderFooterEnabled,

[kmadhusu, 2011/08/12 20:27:11]

nit: If possible, have a function that populates this default header footer info
(which is not to display the header and footer in the preview data). 

[Aayush Kumar, 2011/08/13 04:04:53]

Done.

+                                false);
+  InitPrintSettingsFromPrintInfo(GetPageRangesFromPrintInfo(),
+                                 header_footer_info);
 
   return OK;
 }
@@ -150,12 +158,16 @@ PrintingContext::Result PrintingContextMac::UpdatePrintSettings(
 
   [print_info_.get() updateFromPMPrintSettings];
 
-  InitPrintSettingsFromPrintInfo(ranges);
+  DictionaryValue header_footer_info;
+  GetHeaderFooterInfo(job_settings, &header_footer_info);
+
+  InitPrintSettingsFromPrintInfo(ranges, header_footer_info);
   return OK;
 }
 
 void PrintingContextMac::InitPrintSettingsFromPrintInfo(
-    const PageRanges& ranges) {
+    const PageRanges& ranges,
+    const DictionaryValue& header_footer_info) {
   PMPrintSession print_session =
       static_cast<PMPrintSession>([print_info_.get() PMPrintSession]);
   PMPageFormat page_format =