Cleanup: Remove unneeded forward declarations from chrome/browser/chromeos.

chrome/browser/chromeos/options/wifi_config_view.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_CHROMEOS_OPTIONS_WIFI_CONFIG_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_OPTIONS_WIFI_CONFIG_VIEW_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "chrome/browser/chromeos/cros/cert_library.h"
 #include "chrome/browser/chromeos/options/network_config_view.h"
 #include "ui/base/models/combobox_model.h"
 #include "views/controls/button/button.h"
 #include "views/controls/combobox/combobox.h"
 #include "views/controls/textfield/textfield_controller.h"
 #include "views/view.h"
 
 namespace views {
 class Checkbox;
 class ToggleImageButton;
 class Label;
 }
 
-class FilePath;
-
 namespace chromeos {
 
 // A dialog box for showing a password textfield.
 class WifiConfigView : public ChildNetworkConfigView,
                        public views::TextfieldController,
                        public views::ButtonListener,
                        public views::Combobox::Listener,
                        public CertLibrary::Observer {
  public:
   // Wifi login dialog for wifi network |wifi|. |wifi| must be a non NULL
@@ skipping 89 matching lines @@
   views::Textfield* passphrase_textfield_;
   views::ToggleImageButton* passphrase_visible_button_;
   views::Label* error_label_;
 
   DISALLOW_COPY_AND_ASSIGN(WifiConfigView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_OPTIONS_WIFI_CONFIG_VIEW_H_