Revert of clean up printing::Image and printing::Metafile

chrome/service/service_utility_process_host.h

Index: chrome/service/service_utility_process_host.h
diff --git a/chrome/service/service_utility_process_host.h b/chrome/service/service_utility_process_host.h
index d0bd273c0cb57544a9bf3557d1752c6474783c55..7b13f105105f73cced8e6cf8480c367d56d628fe 100644
--- a/chrome/service/service_utility_process_host.h
+++ b/chrome/service/service_utility_process_host.h
@@ -27,6 +27,7 @@
 }
 
 namespace printing {
+class MetafilePlayer;
 struct PdfRenderSettings;
 struct PrinterCapsAndDefaults;
 struct PrinterSemanticCapsAndDefaults;
@@ -47,9 +48,9 @@
     // Called when the child process died before a reply was receieved.
     virtual void OnChildDied() {}
 
-    virtual bool OnRenderPDFPagesToMetafilePageDone(
-        const std::vector<char>& emf_data,
-        float scale_factor);
+    virtual void OnRenderPDFPagesToMetafilePageDone(
+        float scale_factor,
+        const printing::MetafilePlayer& emf) {}
 
     // Called when at all pages in the PDF has been rendered.
     virtual void OnRenderPDFPagesToMetafileDone(bool success) {}