Fix "unused variable" warnings.

content/shell/browser/shell_javascript_dialog_win.cc

 // Copyright 2013 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 "content/shell/browser/shell_javascript_dialog.h"
 
 #include "base/strings/string_util.h"
 #include "content/shell/app/resource.h"
 #include "content/shell/browser/shell.h"
 #include "content/shell/browser/shell_javascript_dialog_manager.h"
@@ skipping 64 matching lines @@
   return 0;
 }
 
 ShellJavaScriptDialog::ShellJavaScriptDialog(
     ShellJavaScriptDialogManager* manager,
     gfx::NativeWindow parent_window,
     JavaScriptMessageType message_type,
     const base::string16& message_text,
     const base::string16& default_prompt_text,
     const JavaScriptDialogManager::DialogClosedCallback& callback)
-    : manager_(manager),
-      callback_(callback),
+    : callback_(callback),
+      manager_(manager),
       message_type_(message_type),
       message_text_(message_text),
       default_prompt_text_(default_prompt_text) {
   int dialog_type;
   if (message_type == JAVASCRIPT_MESSAGE_TYPE_ALERT)
     dialog_type = IDD_ALERT;
   else if (message_type == JAVASCRIPT_MESSAGE_TYPE_CONFIRM)
     dialog_type = IDD_CONFIRM;
   else // JAVASCRIPT_MESSAGE_TYPE_PROMPT
     dialog_type = IDD_PROMPT;
 
   dialog_win_ = CreateDialogParam(GetModuleHandle(0),
                                   MAKEINTRESOURCE(dialog_type), 0, DialogProc,
                                   reinterpret_cast<LPARAM>(this));
   ShowWindow(dialog_win_, SW_SHOWNORMAL);
 }
 
 ShellJavaScriptDialog::~ShellJavaScriptDialog() {
   Cancel();
 }
 
 void ShellJavaScriptDialog::Cancel() {
   if (dialog_win_)
     DestroyWindow(dialog_win_);
 }
 
 }  // namespace content