Restored disable print preview policy.

chrome/renderer/printing/print_web_view_helper.h

Index: chrome/renderer/printing/print_web_view_helper.h
diff --git a/chrome/renderer/printing/print_web_view_helper.h b/chrome/renderer/printing/print_web_view_helper.h
index cfc0c1b68bdd338e75446658e7e3948273496e8a..0463148411847a528b1563144e7502fce6c4dcaf 100644
--- a/chrome/renderer/printing/print_web_view_helper.h
+++ b/chrome/renderer/printing/print_web_view_helper.h
@@ -69,10 +69,6 @@ class PrintWebViewHelper
   explicit PrintWebViewHelper(content::RenderView* render_view);
   virtual ~PrintWebViewHelper();
 
-  // Disable print preview and switch to system dialog printing even if full

[Lei Zhang, 2014/09/24 17:53:43]

Not sure if you want to keep this around for CEF?

[Vitaly Buka (NO REVIEWS), 2014/09/24 18:07:03]

Done.

it duplicates kDisablePrintPreview, but we could keep it to avoid switching
back-and-forth on their side.

-  // printing is build-in. This method is used by CEF.
-  static void DisablePreview();
-
   bool IsPrintingEnabled();
 
   void PrintNode(const blink::WebNode& node);
@@ -309,6 +305,7 @@ class PrintWebViewHelper
   bool reset_prep_frame_view_;
 
   scoped_ptr<PrintMsg_PrintPages_Params> print_pages_params_;
+  bool is_preview_enabled_;
   bool is_print_ready_metafile_sent_;
   bool ignore_css_margins_;