Add FilePath to base namespace.

content/public/browser/pepper_flash_settings_helper.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_
 #define CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 
+namespace base {
 class FilePath;
+}
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 namespace content {
 
 // This class should only be used on the IO thread.
 class CONTENT_EXPORT PepperFlashSettingsHelper
     : public base::RefCounted<PepperFlashSettingsHelper> {
  public:
   static scoped_refptr<PepperFlashSettingsHelper> Create();
 
   // Called when OpenChannelToBroker() is completed.
   // |success| indicates whether the channel is successfully opened to the
   // broker. On error, |channel_handle| is set to IPC::ChannelHandle().
   typedef base::Callback<void(bool /* success */,
                               const IPC::ChannelHandle& /* channel_handle */)>
       OpenChannelCallback;
-  virtual void OpenChannelToBroker(const FilePath& path,
+  virtual void OpenChannelToBroker(const base::FilePath& path,
                                    const OpenChannelCallback& callback) = 0;
 
  protected:
   friend class base::RefCounted<PepperFlashSettingsHelper>;
   virtual ~PepperFlashSettingsHelper() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_