Create a Factory for NativeMetafile.

chrome/utility/utility_thread.cc

Index: chrome/utility/utility_thread.cc
diff --git a/chrome/utility/utility_thread.cc b/chrome/utility/utility_thread.cc
index 6d078e3a6edd1143a9250641235fc296d4003760..c4831b9b6bb03225eee1ba42fb0d258f09bccdb0 100644
--- a/chrome/utility/utility_thread.cc
+++ b/chrome/utility/utility_thread.cc
@@ -8,6 +8,7 @@
 
 #include "base/file_util.h"
 #include "base/path_service.h"
+#include "base/scoped_ptr.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/common/child_process.h"
@@ -19,6 +20,7 @@
 #include "chrome/common/utility_messages.h"
 #include "chrome/common/web_resource/web_resource_unpacker.h"
 #include "printing/native_metafile.h"
+#include "printing/native_metafile_factory.h"
 #include "printing/page_range.h"
 #include "printing/units.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ -135,10 +137,14 @@ void UtilityThread::OnRenderPDFPagesToMetafile(
     const std::vector<printing::PageRange>& page_ranges) {
   bool succeeded = false;
 #if defined(OS_WIN)
-  printing::NativeMetafile metafile;
+  scoped_ptr<printing::NativeMetafile> metafile(
+      printing::MetafileFactory::GetMetafile());
   int highest_rendered_page_number = 0;
-  succeeded = RenderPDFToWinMetafile(pdf_file, metafile_path, render_area,
-                                     render_dpi, page_ranges, &metafile,
+  succeeded = RenderPDFToWinMetafile(pdf_file,
+                                     metafile_path,
+                                     render_area,
+                                     render_dpi, page_ranges,
+                                     metafile.get(),
                                      &highest_rendered_page_number);
   if (succeeded) {
     Send(new UtilityHostMsg_RenderPDFPagesToMetafile_Succeeded(