Adding support for specifying user-cert filename from URL

chrome/browser/ui/webui/options/certificate_manager_handler.cc

Index: chrome/browser/ui/webui/options/certificate_manager_handler.cc
diff --git a/chrome/browser/ui/webui/options/certificate_manager_handler.cc b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
index 02ff4775eaa8550dc09316b17a855123550612ed..9c7d4313a753a939d3b70e8b8af383899390a751 100644
--- a/chrome/browser/ui/webui/options/certificate_manager_handler.cc
+++ b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
@@ -709,6 +709,10 @@ void CertificateManagerHandler::StartImportPersonal(
     ImportExportCleanup();
     return;
   }
+  base::FilePath default_path;
+  base::string16 path_string;
+  if (args->GetString(1, &path_string))
+    default_path = base::FilePath::FromUTF16Unsafe(path_string);
   file_type_info.extensions.resize(1);
   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("p12"));
   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("crt"));
@@ -719,7 +723,7 @@ void CertificateManagerHandler::StartImportPersonal(
       this, new ChromeSelectFilePolicy(web_ui()->GetWebContents()));
   select_file_dialog_->SelectFile(
       ui::SelectFileDialog::SELECT_OPEN_FILE, base::string16(),
-      base::FilePath(), &file_type_info, 1, FILE_PATH_LITERAL("p12"),
+      default_path, &file_type_info, 1, FILE_PATH_LITERAL("p12"),
       GetParentWindow(),
       reinterpret_cast<void*>(IMPORT_PERSONAL_FILE_SELECTED));
 }