Print preview: Display a dummy page when a user visits chrome://print directly.

chrome/browser/ui/webui/constrained_html_ui.cc

Index: chrome/browser/ui/webui/constrained_html_ui.cc
===================================================================
--- chrome/browser/ui/webui/constrained_html_ui.cc	(revision 114056)
+++ chrome/browser/ui/webui/constrained_html_ui.cc	(working copy)
@@ -29,6 +29,8 @@
 }
 
 void ConstrainedHtmlUI::RenderViewCreated(RenderViewHost* render_view_host) {
+  ChromeWebUI::RenderViewCreated(render_view_host);
+
   ConstrainedHtmlUIDelegate* delegate = GetConstrainedDelegate();
   if (!delegate)
     return;
@@ -53,8 +55,6 @@
       chrome::NOTIFICATION_HTML_DIALOG_SHOWN,
       content::Source<WebUI>(this),
       content::Details<RenderViewHost>(render_view_host));
-
-  ChromeWebUI::RenderViewCreated(render_view_host);
 }
 
 void ConstrainedHtmlUI::OnDialogCloseMessage(const ListValue* args) {