add customized printing setting for headless

components/printing/renderer/print_web_view_helper_mac.mm

 // Copyright (c) 2012 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.
 
 #include "components/printing/renderer/print_web_view_helper.h"
 
 #import <AppKit/AppKit.h>
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
@@ skipping 11 matching lines @@
 bool PrintWebViewHelper::PrintPagesNative(blink::WebLocalFrame* frame,
                                           int page_count) {
   const PrintMsg_PrintPages_Params& params = *print_pages_params_;
   const PrintMsg_Print_Params& print_params = params.params;
 
   std::vector<int> printed_pages = GetPrintedPages(params, page_count);
   if (printed_pages.empty())
     return false;
 
   if (delegate_->UseSingleMetafile()) {
-    PrintPagesInternal(print_params, printed_pages, frame);
+    PrintPagesInternal(print_params, printed_pages, page_count, frame);
     return true;
   }
 
   for (int page_number : printed_pages)
-    PrintPagesInternal(print_params, std::vector<int>{page_number}, frame);
+    PrintPagesInternal(print_params, std::vector<int>{page_number}, page_count,
+                       frame);
   return true;
 }
 #endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
 void PrintWebViewHelper::PrintPagesInternal(
     const PrintMsg_Print_Params& params,
     const std::vector<int>& printed_pages,
+    int page_count,
     blink::WebLocalFrame* frame) {
   PdfMetafileSkia metafile(PDF_SKIA_DOCUMENT_TYPE);
   CHECK(metafile.Init());
 
   gfx::Size page_size_in_dpi;
   gfx::Rect content_area_in_dpi;
   for (int page_number : printed_pages) {
-    RenderPage(params, page_number, frame, false, &metafile, &page_size_in_dpi,
-               &content_area_in_dpi);
+    RenderPage(params, page_number, page_count, frame, false, &metafile,
+               &page_size_in_dpi, &content_area_in_dpi);
   }
   metafile.FinishDocument();
 
   PrintHostMsg_DidPrintPage_Params page_params;
   page_params.data_size = metafile.GetDataSize();
   page_params.document_cookie = params.document_cookie;
   page_params.page_size = page_size_in_dpi;
   page_params.content_area = content_area_in_dpi;
 
   // Ask the browser to create the shared memory for us.
@@ skipping 22 matching lines @@
                          is_print_ready_metafile_sent_;
 
   if (render_to_draft) {
     draft_metafile.reset(new PdfMetafileSkia(PDF_SKIA_DOCUMENT_TYPE));
     CHECK(draft_metafile->Init());
     initial_render_metafile = draft_metafile.get();
   }
 
   base::TimeTicks begin_time = base::TimeTicks::Now();
   gfx::Size page_size;
-  RenderPage(printParams, page_number, print_preview_context_.prepared_frame(),
-             true, initial_render_metafile, &page_size, NULL);
+  RenderPage(printParams, page_number,
+             print_preview_context_.total_page_count(),
+             print_preview_context_.prepared_frame(), true,
+             initial_render_metafile, &page_size, NULL);
   print_preview_context_.RenderedPreviewPage(
       base::TimeTicks::Now() - begin_time);
 
   if (draft_metafile.get()) {
     draft_metafile->FinishDocument();
   } else {
     if (print_preview_context_.IsModifiable() &&
         print_preview_context_.generate_draft_pages()) {
       DCHECK(!draft_metafile.get());
       draft_metafile =
           print_preview_context_.metafile()->GetMetafileForCurrentPage(
               PDF_SKIA_DOCUMENT_TYPE);
     }
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintWebViewHelper::RenderPage(const PrintMsg_Print_Params& params,
                                     int page_number,
+                                    int page_count,
                                     blink::WebLocalFrame* frame,
                                     bool is_preview,
                                     PdfMetafileSkia* metafile,
                                     gfx::Size* page_size,
                                     gfx::Rect* content_rect) {
   double scale_factor =
       params.scale_factor >= kEpsilon ? params.scale_factor : 1.0f;
   double webkit_shrink_factor = frame->GetPrintPageShrink(page_number);
   PageSizeMargins page_layout_in_points;
   gfx::Rect content_area;
@@ skipping 12 matching lines @@
       params.display_header_footer ? gfx::Rect(*page_size) : content_area;
 
   {
     cc::PaintCanvas* canvas = metafile->GetVectorCanvasForNewPage(
         *page_size, canvas_area, scale_factor);
     if (!canvas)
       return;
 
     MetafileSkiaWrapper::SetMetafileOnCanvas(canvas, metafile);
     cc::SetIsPreviewMetafile(canvas, is_preview);
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     if (params.display_header_footer) {
       PrintHeaderAndFooter(static_cast<blink::WebCanvas*>(canvas),
-                           page_number + 1,
-                           print_preview_context_.total_page_count(), *frame,
-                           scale_factor, page_layout_in_points, params);
+                           page_number + 1, page_count, *frame, scale_factor,
+                           page_layout_in_points, params);
     }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
     RenderPageContent(frame, page_number, canvas_area, content_area,
                       scale_factor, static_cast<blink::WebCanvas*>(canvas));
   }
 
   // Done printing. Close the device context to retrieve the compiled metafile.
   metafile->FinishPage();
 }
 
 }  // namespace printing