Make printing work better with OOPIF.

chrome/browser/printing/printing_message_filter.h

Index: chrome/browser/printing/printing_message_filter.h
diff --git a/chrome/browser/printing/printing_message_filter.h b/chrome/browser/printing/printing_message_filter.h
index 127f27207b7f33dbfbeafab4ca524498fad1e870..ae3b114b482d786fa7742ddd62c9a653512ad79c 100644
--- a/chrome/browser/printing/printing_message_filter.h
+++ b/chrome/browser/printing/printing_message_filter.h
@@ -10,32 +10,20 @@
 #include <memory>
 #include <string>
 
-#include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "components/prefs/pref_member.h"
 #include "content/public/browser/browser_message_filter.h"
 
-#if defined(OS_WIN)
-#include "base/memory/shared_memory.h"
-#endif
-
 struct PrintHostMsg_ScriptedPrint_Params;
 class Profile;
-class ProfileIOData;
 
 namespace base {
 class DictionaryValue;
-class FilePath;
-}
-
-namespace content {
-class WebContents;
 }
 
 namespace printing {
 
-class PrintJobManager;
 class PrintQueriesQueue;
 class PrinterQuery;
 
@@ -74,9 +62,6 @@ class PrintingMessageFilter : public content::BrowserMessageFilter {
   // to base::Bind.
   struct GetPrintSettingsForRenderViewParams;
 
-  // Checks if printing is enabled.
-  void OnIsPrintingEnabled(bool* is_enabled);
-
   // Get the default print setting.
   void OnGetDefaultPrintSettings(IPC::Message* reply_msg);
   void OnGetDefaultPrintSettingsReply(scoped_refptr<PrinterQuery> printer_query,