Create a Factory for NativeMetafile.

chrome/renderer/print_web_view_helper_win.cc

Index: chrome/renderer/print_web_view_helper_win.cc
diff --git a/chrome/renderer/print_web_view_helper_win.cc b/chrome/renderer/print_web_view_helper_win.cc
index ccce2e96b976d5857bb2851ebb191e16e8596c7e..e0332c85dbe012922bf7ad6da7f965fe8cf0f644 100644
--- a/chrome/renderer/print_web_view_helper_win.cc
+++ b/chrome/renderer/print_web_view_helper_win.cc
@@ -8,6 +8,8 @@
 #include "base/process_util.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/render_messages_params.h"
+#include "printing/native_metafile_factory.h"
+#include "printing/native_metafile.h"
 #include "printing/units.h"
 #include "skia/ext/vector_canvas.h"
 #include "skia/ext/vector_platform_device.h"
@@ -67,7 +69,8 @@ void PrintWebViewHelper::PrintPage(const ViewMsg_PrintPage_Params& params,
                                    WebFrame* frame) {
   // Generate a memory-based metafile. It will use the current screen's DPI.
   // Each metafile contains a single page.
-  scoped_ptr<printing::NativeMetafile> metafile(new printing::NativeMetafile);
+  scoped_ptr<printing::NativeMetafile> metafile(
+      printing::NativeMetafileFactory::CreateMetafile());
   metafile->CreateDc(NULL, NULL);
   DCHECK(metafile->hdc());
   skia::PlatformDevice::InitializeDC(metafile->hdc());
@@ -133,7 +136,8 @@ void PrintWebViewHelper::CreatePreviewDocument(
   // PDF backend" work is completed for windows, make changes to replace this
   // EMF with PDF metafile.
   // http://code.google.com/p/chromium/issues/detail?id=62889
-  scoped_ptr<printing::NativeMetafile> metafile(new printing::NativeMetafile);
+  scoped_ptr<printing::NativeMetafile> metafile(
+      printing::NativeMetafileFactory::CreateMetafile());
   metafile->CreateDc(NULL, NULL);
   DCHECK(metafile->hdc());
   skia::PlatformDevice::InitializeDC(metafile->hdc());
@@ -258,7 +262,7 @@ void PrintWebViewHelper::RenderPage(
       NOTREACHED();
 
     scoped_ptr<printing::NativeMetafile> metafile2(
-        new printing::NativeMetafile);
+        printing::NativeMetafileFactory::CreateMetafile());
     // Page used alpha blend, but printer doesn't support it.  Rewrite the
     // metafile and flatten out the transparency.
     HDC bitmap_dc = CreateCompatibleDC(GetDC(NULL));