PrintPreview: Display print preview failed error message in the restored print preview tab.

chrome/browser/ui/webui/print_preview_handler.cc

Index: chrome/browser/ui/webui/print_preview_handler.cc
diff --git a/chrome/browser/ui/webui/print_preview_handler.cc b/chrome/browser/ui/webui/print_preview_handler.cc
index 4ee78d83955ab56699878be10c49f4b8d13551bd..91bb0838af5c5e9f69c7a16f701b0ed2ebd2ff17 100644
--- a/chrome/browser/ui/webui/print_preview_handler.cc
+++ b/chrome/browser/ui/webui/print_preview_handler.cc
@@ -275,8 +275,10 @@ void PrintPreviewHandler::HandleGetPrinters(const ListValue*) {
 
 void PrintPreviewHandler::HandleGetPreview(const ListValue* args) {
   TabContents* initiator_tab = GetInitiatorTab();
-  if (!initiator_tab)
+  if (!initiator_tab) {
+    web_ui_->CallJavascriptFunction("printPreviewFailed");
     return;
+  }
   scoped_ptr<DictionaryValue> settings(GetSettingsDictionary(args));
   if (!settings.get())
     return;