PdfMetafileSkia gives out a SkCanvas, not a SkBaseDevice.

chrome/renderer/printing/print_web_view_helper_pdf_win.cc

Index: chrome/renderer/printing/print_web_view_helper_pdf_win.cc
diff --git a/chrome/renderer/printing/print_web_view_helper_pdf_win.cc b/chrome/renderer/printing/print_web_view_helper_pdf_win.cc
index b6300b0eb9f178a342825115e94564ad46fd6a12..f0a6a25832e3faaf7b70a00bbe6b7fc967b806fc 100644
--- a/chrome/renderer/printing/print_web_view_helper_pdf_win.cc
+++ b/chrome/renderer/printing/print_web_view_helper_pdf_win.cc
@@ -179,22 +179,17 @@ void PrintWebViewHelper::PrintPageInternal(
       frame->getPrintPageShrink(params.page_number);
   float scale_factor = css_scale_factor * webkit_page_shrink_factor;
 
-  SkBaseDevice* device = metafile->StartPageForVectorCanvas(page_size,
-                                                            canvas_area,
-                                                            scale_factor);
-  if (!device)
+  skia::VectorCanvas* canvas = metafile->GetVectorCanvasForNewPage(
+      page_size, canvas_area, scale_factor);
+  if (!canvas)
     return;
 
-  // The printPage method take a reference to the canvas we pass down, so it
-  // can't be a stack object.
-  skia::RefPtr<skia::VectorCanvas> canvas =
-      skia::AdoptRef(new skia::VectorCanvas(device));
   MetafileSkiaWrapper::SetMetafileOnCanvas(*canvas, metafile);
   skia::SetIsDraftMode(*canvas, is_print_ready_metafile_sent_);
 
   if (params.params.display_header_footer) {
     // |page_number| is 0-based, so 1 is added.
-    PrintHeaderAndFooter(canvas.get(),
+    PrintHeaderAndFooter(canvas,
                          params.page_number + 1,
                          print_preview_context_.total_page_count(),
                          *frame,
@@ -208,9 +203,9 @@ void PrintWebViewHelper::PrintPageInternal(
                                                 canvas_area,
                                                 content_area,
                                                 scale_factor,
-                                                canvas.get());
+                                                canvas);
   DCHECK_GT(webkit_scale_factor, 0.0f);
-  // Done printing. Close the device context to retrieve the compiled metafile.
+  // Done printing. Close the canvas to retrieve the compiled metafile.
   if (!metafile->FinishPage())
     NOTREACHED() << "metafile failed";
 }