Print Preview: Populating print preview tab title as soon as it is known.

chrome/browser/ui/webui/print_preview_handler.h

Index: chrome/browser/ui/webui/print_preview_handler.h
diff --git a/chrome/browser/ui/webui/print_preview_handler.h b/chrome/browser/ui/webui/print_preview_handler.h
index 7d6ce1671da02821f1106029bee27cb813c0b154..6be0cbf97636ad271bfd506c3a0cb237766ae84d 100644
--- a/chrome/browser/ui/webui/print_preview_handler.h
+++ b/chrome/browser/ui/webui/print_preview_handler.h
@@ -121,6 +121,10 @@ class PrintPreviewHandler : public WebUIMessageHandler,
   // Asks the browser to close the preview tab. |args| is unused.
   void HandleClosePreviewTab(const base::ListValue* args);
 
+  // Asks the browser for the title of the initiator tab.
+  // |args| is unused.
+  void HandleGetInitiatorTabTitle(const base::ListValue* args);
+
   // Sends the printer capabilities to the Web UI. |settings_info| contains
   // printer capabilities information.
   void SendPrinterCapabilities(const base::DictionaryValue& settings_info);