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