Revert of More System Dialog printing code disabled on Windows.

chrome/browser/printing/print_view_manager.cc

Index: chrome/browser/printing/print_view_manager.cc
diff --git a/chrome/browser/printing/print_view_manager.cc b/chrome/browser/printing/print_view_manager.cc
index 87f4b65c59087c617251eba8fdcf69003bd2dea9..e0f4ef986745068424a2641ae0f63d37e3f96977 100644
--- a/chrome/browser/printing/print_view_manager.cc
+++ b/chrome/browser/printing/print_view_manager.cc
@@ -46,8 +46,10 @@ PrintViewManager::~PrintViewManager() {
   DCHECK_EQ(NOT_PREVIEWING, print_preview_state_);
 }
 
-#if !defined(OS_WIN)
 bool PrintViewManager::PrintForSystemDialogNow() {
+#if defined(OS_WIN)
+  NOTREACHED();
+#endif
   return PrintNowInternal(new PrintMsg_PrintForSystemDialog(routing_id()));
 }
 
@@ -69,7 +71,7 @@ bool PrintViewManager::AdvancedPrintNow() {
     return PrintNow();
   }
 }
-#endif  // !OS_WIN
+
 bool PrintViewManager::PrintPreviewNow(bool selection_only) {
   // Users can send print commands all they want and it is beyond
   // PrintViewManager's control. Just ignore the extra commands.