clang/win: Fix warnings to prepare for building without -Wno-reorder.

content/shell/browser/shell_javascript_dialog_win.cc

Index: content/shell/browser/shell_javascript_dialog_win.cc
diff --git a/content/shell/browser/shell_javascript_dialog_win.cc b/content/shell/browser/shell_javascript_dialog_win.cc
index 35371223016565a16347b2cbbbb0a33d19709268..287ff0da20a8eb3610cb64d4eee989318c32e01b 100644
--- a/content/shell/browser/shell_javascript_dialog_win.cc
+++ b/content/shell/browser/shell_javascript_dialog_win.cc
@@ -84,9 +84,9 @@ ShellJavaScriptDialog::ShellJavaScriptDialog(
     const JavaScriptDialogManager::DialogClosedCallback& callback)
     : manager_(manager),
       callback_(callback),
+      message_type_(message_type),
       message_text_(message_text),
-      default_prompt_text_(default_prompt_text),
-      message_type_(message_type) {
+      default_prompt_text_(default_prompt_text) {
   int dialog_type;
   if (message_type == JAVASCRIPT_MESSAGE_TYPE_ALERT)
     dialog_type = IDD_ALERT;