Create a Factory for NativeMetafile.

chrome/plugin/webplugin_delegate_stub.cc

Index: chrome/plugin/webplugin_delegate_stub.cc
diff --git a/chrome/plugin/webplugin_delegate_stub.cc b/chrome/plugin/webplugin_delegate_stub.cc
index 6b0f39a47459249fe5ce056f67fcc6e983f01cf1..75a3dc8fa878fdd335a21c957b635c2bea055107 100644
--- a/chrome/plugin/webplugin_delegate_stub.cc
+++ b/chrome/plugin/webplugin_delegate_stub.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 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.
 
@@ -14,7 +14,6 @@
 #include "chrome/plugin/plugin_channel.h"
 #include "chrome/plugin/plugin_thread.h"
 #include "chrome/plugin/webplugin_proxy.h"
-#include "printing/native_metafile.h"
 #include "third_party/npapi/bindings/npapi.h"
 #include "third_party/npapi/bindings/npruntime.h"
 #include "skia/ext/platform_device.h"
@@ -23,6 +22,12 @@
 #include "webkit/plugins/npapi/webplugin_delegate_impl.h"
 #include "webkit/glue/webcursor.h"
 
+#if defined(OS_WIN)
+#include "base/scoped_ptr.h"
+#include "printing/native_metafile_factory.h"
+#include "printing/native_metafile.h"
+#endif  // defined(OS_WIN)
+
 #if defined(ENABLE_GPU)
 #include "app/gfx/gl/gl_context.h"
 #endif
@@ -281,26 +286,27 @@ void WebPluginDelegateStub::OnDidPaint() {
 void WebPluginDelegateStub::OnPrint(base::SharedMemoryHandle* shared_memory,
                                     uint32* size) {
 #if defined(OS_WIN)
-  printing::NativeMetafile metafile;
-  if (!metafile.CreateDc(NULL, NULL)) {
+  scoped_ptr<printing::NativeMetafile> metafile(
+      printing::NativeMetafileFactory::CreateMetafile());
+  if (!metafile->CreateDc(NULL, NULL)) {
     NOTREACHED();
     return;
   }
-  HDC hdc = metafile.hdc();
+  HDC hdc = metafile->hdc();
   skia::PlatformDevice::InitializeDC(hdc);
   delegate_->Print(hdc);
-  if (!metafile.CloseDc()) {
+  if (!metafile->CloseDc()) {
     NOTREACHED();
     return;
   }
 
-  *size = metafile.GetDataSize();
+  *size = metafile->GetDataSize();
   DCHECK(*size);
   base::SharedMemory shared_buf;
   CreateSharedBuffer(*size, &shared_buf, shared_memory);
 
   // Retrieve a copy of the data.
-  bool success = metafile.GetData(shared_buf.memory(), *size);
+  bool success = metafile->GetData(shared_buf.memory(), *size);
   DCHECK(success);
 #else
   // TODO(port): plugin printing.