Change 'Add Page' to show a simple input dialog with --use-more-webui.

chrome/browser/ui/input_window_dialog.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_INPUT_WINDOW_DIALOG_H_
 #define CHROME_BROWSER_UI_INPUT_WINDOW_DIALOG_H_
 #pragma once
 
+#include <vector>
+
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "ui/gfx/native_widget_types.h"
 
 // Cross platform access to a modal input window.
 class InputWindowDialog {
  public:
   enum ButtonType {
     BUTTON_TYPE_ADD,
     BUTTON_TYPE_SAVE,
   };
+  typedef std::vector<std::pair<string16, string16> > LabelContentsPairs;
+  typedef std::vector<string16> InputTexts;
 
   class Delegate {
    public:
     virtual ~Delegate() {}
 
     // Checks whether |text| is a valid input string.
-    virtual bool IsValid(const string16& text) = 0;
+    virtual bool IsValid(const InputTexts& texts) = 0;
 
     // Callback for when the user clicks the OK button.
-    virtual void InputAccepted(const string16& text) = 0;
+    virtual void InputAccepted(const InputTexts& texts) = 0;
 
     // Callback for when the user clicks the Cancel button.
     virtual void InputCanceled() = 0;
   };
 
   // Creates a new input window dialog parented to |parent|. Ownership of
   // |delegate| is taken by InputWindowDialog or InputWindowDialog's owner.
-  static InputWindowDialog* Create(gfx::NativeWindow parent,
-                                   const string16& window_title,
-                                   const string16& label,
-                                   const string16& contents,
-                                   Delegate* delegate,
-                                   ButtonType type);
+  static InputWindowDialog* Create(
+      gfx::NativeWindow parent,
+      const string16& window_title,
+      const LabelContentsPairs& label_contents_pairs,
+      Delegate* delegate,
+      ButtonType type);
 
   // Displays the window.
   virtual void Show() = 0;
 
   // Closes the window.
   virtual void Close() = 0;
 
  protected:
   InputWindowDialog() {}
   virtual ~InputWindowDialog() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputWindowDialog);
 };
 
 #endif  // CHROME_BROWSER_UI_INPUT_WINDOW_DIALOG_H_