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

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 b1f6debf2468dd8a92fbb09f262f1b7f05d89cd9..e6eaff3de0163e28e67b32bea858eb5ebcbdefa0 100644
--- a/chrome/browser/ui/webui/print_preview_handler.cc
+++ b/chrome/browser/ui/webui/print_preview_handler.cc
@@ -447,6 +447,8 @@ void PrintPreviewHandler::RegisterMessages() {
       NewCallback(this, &PrintPreviewHandler::HandleCancelPendingPrintRequest));
   web_ui_->RegisterMessageCallback("saveLastPrinter",
       NewCallback(this, &PrintPreviewHandler::HandleSaveLastPrinter));
+  web_ui_->RegisterMessageCallback("getInitiatorTabTitle",
+      NewCallback(this, &PrintPreviewHandler::HandleGetInitiatorTabTitle));
 }
 
 TabContentsWrapper* PrintPreviewHandler::preview_tab_wrapper() const {
@@ -748,6 +750,11 @@ void PrintPreviewHandler::ReportStats() {
                        manage_printers_dialog_request_count_);
 }
 
+void PrintPreviewHandler::HandleGetInitiatorTabTitle(const ListValue* args) {
+  PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(web_ui_);
+  print_preview_ui->OnGetInitiatorTabTitle();
+}
+
 void PrintPreviewHandler::ActivateInitiatorTabAndClosePreviewTab() {
   TabContentsWrapper* initiator_tab = GetInitiatorTab();
   if (initiator_tab) {