Create a Factory for NativeMetafile.

chrome/renderer/webplugin_delegate_proxy.cc

Index: chrome/renderer/webplugin_delegate_proxy.cc
diff --git a/chrome/renderer/webplugin_delegate_proxy.cc b/chrome/renderer/webplugin_delegate_proxy.cc
index 0c988713caf0f116f76a449c08e267e44cc6be5d..74193da3853f95a9d7ecbd47ccda71c95cd669a8 100644
--- a/chrome/renderer/webplugin_delegate_proxy.cc
+++ b/chrome/renderer/webplugin_delegate_proxy.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -15,6 +15,7 @@
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/ref_counted.h"
+#include "base/scoped_ptr.h"

[dpapad, 2011/03/02 01:17:18]

scoped_ptr is used in line 668 (outside OS_WIN) so I am keeping it here.

 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/sys_info.h"
@@ -33,6 +34,7 @@
 #include "grit/renderer_resources.h"
 #include "ipc/ipc_channel_handle.h"
 #include "net/base/mime_util.h"
+#include "printing/native_metafile_factory.h"
 #include "printing/native_metafile.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
@@ -926,13 +928,14 @@ void WebPluginDelegateProxy::Print(gfx::NativeDrawingContext context) {
   }
 
 #if defined(OS_WIN)
-  printing::NativeMetafile metafile;
-  if (!metafile.Init(memory.memory(), size)) {
+  scoped_ptr<printing::NativeMetafile> metafile(
+      printing::NativeMetafileFactory::CreateMetafile());
+  if (!metafile->Init(memory.memory(), size)) {
     NOTREACHED();
     return;
   }
   // Playback the buffer.
-  metafile.Playback(context, NULL);
+  metafile->Playback(context, NULL);
 #else
   // TODO(port): plugin printing.
   NOTIMPLEMENTED();