Extracted MetafilePlayer interface from printing::MetafilePlayer.

chrome/browser/printing/pdf_to_emf_converter.h

Index: chrome/browser/printing/pdf_to_emf_converter.h
diff --git a/chrome/browser/printing/pdf_to_emf_converter.h b/chrome/browser/printing/pdf_to_emf_converter.h
index 0ad5a1a152cd748d7565c06ea73c8102bfec6110..c005b8c119667ab6753ab5f9552a6ae3c355bb14 100644
--- a/chrome/browser/printing/pdf_to_emf_converter.h
+++ b/chrome/browser/printing/pdf_to_emf_converter.h
@@ -14,19 +14,17 @@ class FilePath;
 }
 
 namespace printing {
-class PdfRenderSettings;
-}
 
-namespace printing {
-
-class Metafile;
+class MetafilePlayer;
+class PdfRenderSettings;
 
 class PdfToEmfConverter {
  public:
   // Callback for when the PDF is converted to an EMF.
   // Takes ownership of metafiles.
   typedef base::Callback<
-      void(double /*scale_factor*/, ScopedVector<Metafile>* /*emf_files*/)>
+      void(double /*scale_factor*/,
+      ScopedVector<MetafilePlayer>* /*emf_files*/)>
       ResultCallback;
   virtual ~PdfToEmfConverter() {}