Added Header and Footer support using Skia

chrome/common/print_messages.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for printing.
 // Multiply-included message file, hence no include guard.
 
 #include "base/values.h"
 #include "base/shared_memory.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 36 matching lines @@
   IPC_STRUCT_MEMBER(bool, selection_only)
 
   // Does the printer support alpha blending?
   IPC_STRUCT_MEMBER(bool, supports_alpha_blend)
 
   // The id of the preview request, used only for print preview.
   IPC_STRUCT_MEMBER(int, preview_request_id)
 
   // True if this is the first preview request, used only for print preview.
   IPC_STRUCT_MEMBER(bool, is_first_request)
+
+  // Specifies if the header and footer should be rendered.
+  IPC_STRUCT_MEMBER(bool, display_header_footer)
+
+  // Date string to be printed as header if requested by the user.
+  IPC_STRUCT_MEMBER(string16, date)
+
+  // Title string to be printed as header if requested by the user.
+  IPC_STRUCT_MEMBER(string16, title)
+
+  // URL string to be printed as footer if requested by the user.
+  IPC_STRUCT_MEMBER(string16, url)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(PrintMsg_PrintPage_Params)
   // Parameters to render the page as a printed page. It must always be the same
   // value for all the document.
   IPC_STRUCT_MEMBER(PrintMsg_Print_Params, params)
 
   // The page number is the indicator of the square that should be rendered
   // according to the layout specified in PrintMsg_Print_Params.
   IPC_STRUCT_MEMBER(int, page_number)
@@ skipping 227 matching lines @@
 IPC_MESSAGE_ROUTED1(PrintHostMsg_PagesReadyForPreview,
                     PrintHostMsg_DidPreviewDocument_Params /* params */)
 
 // Tell the browser printing failed.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintingFailed,
                     int /* document cookie */)
 
 // Tell the browser print preview failed.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewFailed,
                     int /* document cookie */)