Added Header and Footer support using Skia

chrome/common/print_messages.h

Index: chrome/common/print_messages.h
diff --git a/chrome/common/print_messages.h b/chrome/common/print_messages.h
index 139b99b42234a5db149858518975c1bcea06ccb3..455de600ea04d49db1224856e33098b0164f1359 100644
--- a/chrome/common/print_messages.h
+++ b/chrome/common/print_messages.h
@@ -50,6 +50,9 @@ IPC_STRUCT_BEGIN(PrintMsg_Print_Params)
   IPC_STRUCT_MEMBER(bool, supports_alpha_blend)
 
   IPC_STRUCT_MEMBER(int, preview_request_id)
+
+  // Specifies if the header and footer should be printed.
+  IPC_STRUCT_MEMBER(bool, display_header_footer)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(PrintMsg_PrintPage_Params)
@@ -163,9 +166,12 @@ IPC_MESSAGE_ROUTED0(PrintMsg_PreviewPrintingRequestCancelled)
 
 // Tells the render view to switch the CSS to print media type, renders every
 // requested pages for print preview using the given |settings|. This gets
-// called multiple times as the user updates settings.
-IPC_MESSAGE_ROUTED1(PrintMsg_PrintPreview,
-                    DictionaryValue /* settings */)
+// called multiple times as the user updates settings. Header Footer info
+// contains the strings, accessible by the browser process, to be printed in
+// the header and footer.
+IPC_MESSAGE_ROUTED2(PrintMsg_PrintPreview,
+                    DictionaryValue /* settings */,
+                    DictionaryValue /* header_footer_info */)
 
 // Tells a renderer to stop blocking script initiated printing.
 IPC_MESSAGE_ROUTED0(PrintMsg_ResetScriptedPrintCount)