Reland 103021: Printing preview of a PDF on Mac with Skia only previews the last page of the PDF

chrome/renderer/print_web_view_helper_win.cc

 // Copyright (c) 2011 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 "chrome/renderer/print_web_view_helper.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/process_util.h"
@@ skipping 175 matching lines @@
       static_cast<int>(page_layout_in_points.content_width),
       static_cast<int>(page_layout_in_points.content_height));
   SkDevice* device = metafile->StartPageForVectorCanvas(
       page_size, content_area, frame->getPrintPageShrink(page_number));
   DCHECK(device);
   // The printPage method may take a reference to the canvas we pass down, so it
   // can't be a stack object.
   SkRefPtr<skia::VectorCanvas> canvas = new skia::VectorCanvas(device);
   canvas->unref();  // SkRefPtr and new both took a reference.
   if (is_preview) {
-    printing::MetafileSkiaWrapper::SetMetafileOnCanvas(canvas.get(), metafile);
-    printing::MetafileSkiaWrapper::SetDraftMode(canvas.get(),
-                                                is_print_ready_metafile_sent_);
+    printing::MetafileSkiaWrapper::SetMetafileOnCanvas(*canvas, metafile);
+    skia::SetIsDraftMode(*canvas, is_print_ready_metafile_sent_);
+    skia::SetIsPreviewMetafile(*canvas, is_preview);
   }
 
   float webkit_scale_factor = frame->printPage(page_number, canvas.get());
 
   if (params.display_header_footer) {
     // |page_number| is 0-based, so 1 is added.
     PrintHeaderAndFooter(canvas.get(), page_number + 1,
                          print_preview_context_.total_page_count(),
                          webkit_scale_factor, page_layout_in_points,
                          *header_footer_info_);
@@ skipping 90 matching lines @@
     shared_buf.Unmap();
     return false;
   }
   shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle);
   shared_buf.Unmap();
 
   Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle,
                                          shared_mem_handle));
   return true;
 }