add customized printing setting for headless

components/printing/renderer/print_web_view_helper.cc

 // 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"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1329 matching lines @@
     const PrintMsg_Print_Params& print_params) {
   std::unique_ptr<PdfMetafileSkia> draft_metafile;
   PdfMetafileSkia* initial_render_metafile = print_preview_context_.metafile();
   if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
     draft_metafile = base::MakeUnique<PdfMetafileSkia>(PDF_SKIA_DOCUMENT_TYPE);
     initial_render_metafile = draft_metafile.get();
   }
 
   base::TimeTicks begin_time = base::TimeTicks::Now();
   PrintPageInternal(print_params, page_number,
+                    print_preview_context_.total_page_count(),
                     print_preview_context_.prepared_frame(),
                     initial_render_metafile, nullptr, nullptr, nullptr);
   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 =
@@ skipping 480 matching lines @@
       render_frame()->GetWebkitPreferences(),
       base::Bind(&PrintWebViewHelper::OnFramePreparedForPrintPages,
                  base::Unretained(this)));
   return true;
 }
 #endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
 #if !defined(OS_MACOSX)
 void PrintWebViewHelper::PrintPageInternal(const PrintMsg_Print_Params& params,
                                            int page_number,
+                                           int page_count,
                                            blink::WebLocalFrame* frame,
                                            PdfMetafileSkia* metafile,
                                            gfx::Size* page_size_in_dpi,
                                            gfx::Rect* content_area_in_dpi,
                                            gfx::Rect* printable_area_in_dpi) {
   PageSizeMargins page_layout_in_points;
 
   double css_scale_factor = 1.0f;
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   if (params.scale_factor >= kEpsilon)
@@ skipping 48 matching lines @@
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   if (params.display_header_footer) {
 #if defined(OS_WIN)
     const float fudge_factor = 1;
 #else
     // TODO(thestig): Figure out why Linux needs this. It is almost certainly
     // |kPrintingMinimumShrinkFactor| from Blink.
     const float fudge_factor = kPrintingMinimumShrinkFactor;
 #endif
     // |page_number| is 0-based, so 1 is added.
-    PrintHeaderAndFooter(
-        canvas, page_number + 1, print_preview_context_.total_page_count(),
-        *frame, scale_factor / fudge_factor, page_layout_in_points, params);
+    PrintHeaderAndFooter(canvas, page_number + 1, page_count, *frame,
+                         scale_factor / fudge_factor, page_layout_in_points,
+                         params);
   }
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   float webkit_scale_factor = RenderPageContent(
       frame, page_number, canvas_area, content_area, scale_factor, canvas);
   DCHECK_GT(webkit_scale_factor, 0.0f);
 
   // Done printing. Close the canvas to retrieve the compiled metafile.
   if (!metafile->FinishPage())
     NOTREACHED() << "metafile failed";
@@ skipping 436 matching lines @@
       blink::WebConsoleMessage::kLevelWarning, message));
   return false;
 }
 
 void PrintWebViewHelper::ScriptingThrottler::Reset() {
   // Reset counter on successful print.
   count_ = 0;
 }
 
 }  // namespace printing