Create a Factory for NativeMetafile.

chrome/renderer/webplugin_delegate_pepper.cc

Index: chrome/renderer/webplugin_delegate_pepper.cc
diff --git a/chrome/renderer/webplugin_delegate_pepper.cc b/chrome/renderer/webplugin_delegate_pepper.cc
index 921138f5f633f625fc9ca0fcfa83bb8b30f90185..6d2b2a62892d78e7428ce1ddfc96aa7bb461c6e4 100644
--- a/chrome/renderer/webplugin_delegate_pepper.cc
+++ b/chrome/renderer/webplugin_delegate_pepper.cc
@@ -50,7 +50,7 @@
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/gdi_util.h"
 #endif
-#include "printing/native_metafile.h"
+#include "printing/metafile_factory.h"
 #include "third_party/npapi/bindings/npapi_extensions.h"
 #include "third_party/npapi/bindings/npapi_extensions_private.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
@@ -1221,24 +1221,25 @@ bool WebPluginDelegatePepper::VectorPrintPage(int page_number,
   // On Linux we need to get the backing PdfPsMetafile and write the bits
   // directly.
   cairo_t* context = canvas->beginPlatformPaint();
-  printing::NativeMetafile* metafile =
-      printing::NativeMetafile::FromCairoContext(context);
-  DCHECK(metafile);
-  if (metafile) {
-    ret = metafile->SetRawData(pdf_output, output_size);
+  printing::NativeMetafile* metafile_ptr =
+      printing::MetafileFactory::GetMetafileFrom(context);
+  DCHECK(metafile_ptr);
+  if (metafile_ptr) {
+    ret = metafile_ptr->SetRawData(pdf_output, output_size);
     if (ret)
       pdf_output_done_ = true;
   }
   canvas->endPlatformPaint();
 #elif defined(OS_MACOSX)
-  printing::NativeMetafile metafile;
+  scoped_ptr<printing::NativeMetafile> metafile_ptr(
+      printing::MetafileFactory::GetMetafile());
   // Create a PDF metafile and render from there into the passed in context.
-  if (metafile.Init(pdf_output, output_size)) {
+  if (metafile_ptr->Init(pdf_output, output_size)) {
     // Flip the transform.
     CGContextSaveGState(canvas);
     CGContextTranslateCTM(canvas, 0, current_printable_area_.height());
     CGContextScaleCTM(canvas, 1.0, -1.0);
-    ret = metafile.RenderPage(1, canvas, current_printable_area_.ToCGRect(),
+    ret = metafile_ptr->RenderPage(1, canvas, current_printable_area_.ToCGRect(),
                               true, false, true, true);
     CGContextRestoreGState(canvas);
   }