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

chrome/browser/ui/webui/print_preview_ui.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/print_preview_ui.h"
 
 #include <map>
 
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
@@ skipping 98 matching lines @@
       preview_ui_addr_str_);
 }
 
 void PrintPreviewUI::SetInitiatorTabURLAndTitle(
     const std::string& initiator_url,
     const string16& job_title) {
   initiator_url_ = initiator_url;
   initiator_tab_title_ = job_title;
 }
 
+void PrintPreviewUI::OnGetInitiatorTabTitle() {
+  base::StringValue tab_title(initiator_tab_title_);
+  CallJavascriptFunction("setInitiatorTabTitle", tab_title);
+}
+
 // static
 void PrintPreviewUI::GetCurrentPrintPreviewStatus(
     const std::string& preview_ui_addr,
     int request_id,
     bool* cancel) {
   int current_id = -1;
   if (!g_print_preview_request_id_map.Get().Get(preview_ui_addr, &current_id)) {
     *cancel = true;
     return;
   }
@@ skipping 25 matching lines @@
 void PrintPreviewUI::OnShowSystemDialog() {
   CallJavascriptFunction("onSystemDialogLinkClicked");
 }
 
 void PrintPreviewUI::OnDidGetPreviewPageCount(
     const PrintHostMsg_DidGetPreviewPageCount_Params& params) {
   DCHECK_GT(params.page_count, 0);
   base::FundamentalValue count(params.page_count);
   base::FundamentalValue modifiable(params.is_modifiable);
   base::FundamentalValue request_id(params.preview_request_id);
-  StringValue title(initiator_tab_title_);
   CallJavascriptFunction("onDidGetPreviewPageCount", count, modifiable,
-                         request_id, title);
+                         request_id);
 }
 
 void PrintPreviewUI::OnDidGetDefaultPageLayout(
     const PageSizeMargins& page_layout) {
   if (page_layout.margin_top < 0 || page_layout.margin_left < 0 ||
       page_layout.margin_bottom < 0 || page_layout.margin_right < 0 ||
       page_layout.content_width < 0 || page_layout.content_height < 0) {
     NOTREACHED();
     return;
   }
@@ skipping 56 matching lines @@
 }
 
 void PrintPreviewUI::OnPrintPreviewFailed() {
   handler_->OnPrintPreviewFailed();
   CallJavascriptFunction("printPreviewFailed");
 }
 
 PrintPreviewDataService* PrintPreviewUI::print_preview_data_service() {
   return PrintPreviewDataService::GetInstance();
 }