Added Header and Footer support using Skia

chrome/renderer/print_web_view_helper_mac.mm

Index: chrome/renderer/print_web_view_helper_mac.mm
diff --git a/chrome/renderer/print_web_view_helper_mac.mm b/chrome/renderer/print_web_view_helper_mac.mm
index 64761af6b6e9d5868bcb53252185764be1a00b2a..8479456947f14e5c78ba69f2b3c87a1a02c20f2a 100644
--- a/chrome/renderer/print_web_view_helper_mac.mm
+++ b/chrome/renderer/print_web_view_helper_mac.mm
@@ -35,6 +35,7 @@ void PrintWebViewHelper::PrintPageInternal(
 
   // Render page for printing.
   gfx::Rect content_area(params.params.printable_size);
+  params.display_header_footer = false;
   RenderPage(params.params.printable_size, content_area, scale_factor,
              page_number, frame, &metafile);
   metafile.FinishDocument();
@@ -136,7 +137,20 @@ void PrintWebViewHelper::RenderPage(
     CGContextRef cgContext = metafile->context();
     CGContextRef canvasPtr = cgContext;
 #endif
-    frame->printPage(page_number, canvasPtr);
+    float webkit_scale_factor = frame->printPage(page_number, canvasPtr);
+#if defined(USE_SKIA)
+    PrintMsg_Print_Params printParams = print_preview_context_.print_params();
+    if (printParams.display_header_footer) {
+      PageSizeMargins page_layout_in_points;
+      GetPageSizeAndMarginsInPoints(frame, page_number, printParams,
+                                    &page_layout_in_points);
+      // |page_number| is 0-based, so 1 is added.
+      PrintHeaderAndFooter(device, canvas.get(), page_number + 1,
+                           print_preview_context_.total_page_count(),
+                           webkit_scale_factor, page_layout_in_points,
+                           *header_footer_info_);
+    }
+#endif  // USE_SKIA
   }
 
   // Done printing. Close the device context to retrieve the compiled metafile.