Remove calls to deprecated SkPDFDevice and SkPDFDocuemnt.

chrome/renderer/printing/print_web_view_helper_mac.mm

Index: chrome/renderer/printing/print_web_view_helper_mac.mm
diff --git a/chrome/renderer/printing/print_web_view_helper_mac.mm b/chrome/renderer/printing/print_web_view_helper_mac.mm
index db8bb80affc455a03eb1c3eb9fd9182e389ee0cd..13eccadd0d1a3812d6182fd2e8df483c40b70a2d 100644
--- a/chrome/renderer/printing/print_web_view_helper_mac.mm
+++ b/chrome/renderer/printing/print_web_view_helper_mac.mm
@@ -114,35 +114,31 @@ void PrintWebViewHelper::RenderPage(const PrintMsg_Print_Params& params,
 
   scale_factor *= webkit_shrink_factor;
 
-  gfx::Rect canvas_area =
-      params.display_header_footer ? gfx::Rect(*page_size) : content_area;
-
-  {
-    SkBaseDevice* device = metafile->StartPageForVectorCanvas(
-        *page_size, canvas_area, scale_factor);
-    if (!device)
-      return;
-
-    skia::RefPtr<skia::VectorCanvas> canvas =
-        skia::AdoptRef(new skia::VectorCanvas(device));
-    blink::WebCanvas* canvas_ptr = canvas.get();
-    MetafileSkiaWrapper::SetMetafileOnCanvas(*canvas, metafile);
-    skia::SetIsDraftMode(*canvas, is_print_ready_metafile_sent_);
-    skia::SetIsPreviewMetafile(*canvas, is_preview);
-
-    if (params.display_header_footer) {
-      PrintHeaderAndFooter(canvas_ptr,
-                           page_number + 1,
-                           print_preview_context_.total_page_count(),
-                           *frame,
-                           scale_factor,
-                           page_layout_in_points,
-                           params);
-    }
-    RenderPageContent(frame, page_number, canvas_area, content_area,
-                      scale_factor, canvas_ptr);
+  gfx::Rect canvas_area = gfx::Rect(*page_size);  // Allow drawing on
+                                                  // entire page.
+  skia::RefPtr<skia::VectorCanvas> canvas =
+    metafile->GetVectorCanvasForNewPage(*page_size, canvas_area, scale_factor);
+  if (!canvas.get())
+    return;
+
+  blink::WebCanvas* canvas_ptr = canvas.get();
+  MetafileSkiaWrapper::SetMetafileOnCanvas(*canvas, metafile);
+  skia::SetIsDraftMode(*canvas, is_print_ready_metafile_sent_);
+  skia::SetIsPreviewMetafile(*canvas, is_preview);
+
+  if (params.display_header_footer) {
+    PrintHeaderAndFooter(canvas_ptr,
+                         page_number + 1,
+                         print_preview_context_.total_page_count(),
+                         *frame,
+                         scale_factor,
+                         page_layout_in_points,
+                         params);
   }
+  RenderPageContent(frame, page_number, canvas_area, content_area,
+                    scale_factor, canvas_ptr);
 
+  canvas.clear();  // Unref the canvas before calling FinishPage().
   // Done printing. Close the device context to retrieve the compiled metafile.
   metafile->FinishPage();
 }