Added Header and Footer support using Skia

chrome/renderer/print_web_view_helper_win.cc

Index: chrome/renderer/print_web_view_helper_win.cc
diff --git a/chrome/renderer/print_web_view_helper_win.cc b/chrome/renderer/print_web_view_helper_win.cc
index 4627e0dab9211d7fecfd624e470c5bea900b7df1..dedb08f3889ae4a066e110b12fc7f4baa359bb99 100644
--- a/chrome/renderer/print_web_view_helper_win.cc
+++ b/chrome/renderer/print_web_view_helper_win.cc
@@ -145,15 +145,8 @@ void PrintWebViewHelper::RenderPreviewPage(int page_number) {
 void PrintWebViewHelper::RenderPage(
     const PrintMsg_Print_Params& params, float* scale_factor, int page_number,
     bool is_preview, WebFrame* frame, scoped_ptr<Metafile>* metafile) {
-  double content_width_in_points;
-  double content_height_in_points;
-  double margin_top_in_points;
-  double margin_left_in_points;
-  GetPageSizeAndMarginsInPoints(frame, page_number, params,
-                                &content_width_in_points,
-                                &content_height_in_points,
-                                &margin_top_in_points, NULL, NULL,
-                                &margin_left_in_points);
+  PageSizeMargins page_size_margins_in_points =
+      GetPageSizeAndMarginsInPoints(frame, page_number, params);
 
   int width;
   int height;
@@ -166,15 +159,18 @@ void PrintWebViewHelper::RenderPage(
     // Since WebKit extends the page width depending on the magical scale factor
     // we make sure the canvas covers the worst case scenario (x2.0 currently).
     // PrintContext will then set the correct clipping region.
-    width = static_cast<int>(content_width_in_points * params.max_shrink);
-    height = static_cast<int>(content_height_in_points * params.max_shrink);
+    width = static_cast<int>(page_size_margins_in_points.content_width *
+                             params.max_shrink);
+    height = static_cast<int>(page_size_margins_in_points.content_height *
+                              params.max_shrink);
   }
 
   gfx::Size page_size(width, height);
-  gfx::Rect content_area(static_cast<int>(margin_left_in_points),
-                         static_cast<int>(margin_top_in_points),
-                         static_cast<int>(content_width_in_points),
-                         static_cast<int>(content_height_in_points));
+  gfx::Rect content_area(
+      static_cast<int>(page_size_margins_in_points.margin_left),
+      static_cast<int>(page_size_margins_in_points.margin_top),
+      static_cast<int>(page_size_margins_in_points.content_width),
+      static_cast<int>(page_size_margins_in_points.content_height));
   SkDevice* device = (*metafile)->StartPageForVectorCanvas(
       page_size, content_area, frame->getPrintPageShrink(page_number));
   DCHECK(device);
@@ -188,6 +184,16 @@ void PrintWebViewHelper::RenderPage(
   }
 
   float webkit_scale_factor = frame->printPage(page_number, canvas.get());
+
+  if (is_preview && params.display_header_footer) {
+    // The page_number count starts from 0, so we add 1.
+    PrintHeaderAndFooter(static_cast<skia::VectorPlatformDeviceSkia*>(device),
+                         canvas, page_number + 1,
+                         print_preview_context_.total_page_count(),
+                         webkit_scale_factor, page_size_margins_in_points,
+                         header_footer_info_);
+  }
+
   if (*scale_factor <= 0 || webkit_scale_factor <= 0) {
     NOTREACHED() << "Printing page " << page_number << " failed.";
   } else {