Add title property to chrome.printerProvider pritn job

chrome/browser/ui/webui/print_preview/print_preview_handler.cc

 // Copyright (c) 2012 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/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <map>
 #include <string>
@@ skipping 897 matching lines @@
     base::string16 title;
     scoped_refptr<base::RefCountedBytes> data;
     if (!GetPreviewDataAndTitle(&data, &title)) {
       LOG(ERROR) << "Nothing to print; no preview available.";
       OnExtensionPrintResult(false, "NO_DATA");
       return;
     }
 
     EnsureExtensionPrinterHandlerSet();
     extension_printer_handler_->StartPrint(
-        destination_id, capabilities, print_ticket, gfx::Size(width, height),
-        data, base::Bind(&PrintPreviewHandler::OnExtensionPrintResult,
-                         base::Unretained(this)));
+        destination_id, capabilities, title, print_ticket,
+        gfx::Size(width, height), data,
+        base::Bind(&PrintPreviewHandler::OnExtensionPrintResult,
+                   base::Unretained(this)));
     return;
   }
 
   scoped_refptr<base::RefCountedBytes> data;
   base::string16 title;
   if (!GetPreviewDataAndTitle(&data, &title)) {
     // Nothing to print, no preview available.
     return;
   }
 
@@ skipping 781 matching lines @@
 
 void PrintPreviewHandler::UnregisterForMergeSession() {
   if (reconcilor_)
     reconcilor_->RemoveMergeSessionObserver(this);
 }
 
 void PrintPreviewHandler::SetPdfSavedClosureForTesting(
     const base::Closure& closure) {
   pdf_file_saved_closure_ = closure;
 }