Print headers and footers with WebKit.

chrome/renderer/print_web_view_helper.h

Index: chrome/renderer/print_web_view_helper.h
diff --git a/chrome/renderer/print_web_view_helper.h b/chrome/renderer/print_web_view_helper.h
index e33cb62a6274b100f3e2002267c7fc78422e722c..6f50982fddb1ad26e890bff5d3cf7fe5d5139ef8 100644
--- a/chrome/renderer/print_web_view_helper.h
+++ b/chrome/renderer/print_web_view_helper.h
@@ -292,6 +292,13 @@ class PrintWebViewHelper
                    printing::Metafile* metafile);
 #endif  // defined(OS_WIN)
 
+  static float RenderPageContent(WebKit::WebFrame* frame,

[Lei Zhang, 2012/11/06 23:55:13]

Can you document this method? In particular, it's good to know |page_number| is
zero-based.

[Vitaly Buka (NO REVIEWS), 2012/11/07 01:20:51]

Done.

+                                 int page_number,
+                                 const gfx::Rect& canvas_area,
+                                 const gfx::Rect& content_area,
+                                 double scale_factor,
+                                 WebKit::WebCanvas* canvas);
+
   // Helper methods -----------------------------------------------------------
 
   bool CopyAndPrint(WebKit::WebFrame* web_frame);