Replace FilePath with base::FilePath in some more top level directories.

ui/base/dragdrop/download_file_interface.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 UI_BASE_DRAGDROP_DOWNLOAD_FILE_INTERFACE_H_
 #define UI_BASE_DRAGDROP_DOWNLOAD_FILE_INTERFACE_H_
 
 #include "build/build_config.h"
 
 #include "base/basictypes.h"
@@ skipping 10 matching lines @@
 }
 
 namespace ui {
 
 // TODO(benjhayden, anybody): Do these need to be RefCountedThreadSafe?
 
 // Defines the interface to observe the status of file download.
 class UI_EXPORT DownloadFileObserver
     : public base::RefCountedThreadSafe<DownloadFileObserver> {
  public:
-  virtual void OnDownloadCompleted(const FilePath& file_path) = 0;
+  virtual void OnDownloadCompleted(const base::FilePath& file_path) = 0;
   virtual void OnDownloadAborted() = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<DownloadFileObserver>;
   virtual ~DownloadFileObserver() {}
 };
 
 // Defines the interface to control how a file is downloaded.
 class UI_EXPORT DownloadFileProvider
     : public base::RefCountedThreadSafe<DownloadFileProvider> {
  public:
   // Starts the download asynchronously and returns immediately.
   virtual void Start(DownloadFileObserver* observer) = 0;
 
   // Returns true if the download succeeded and false otherwise. Waits until the
   // download is completed/cancelled/interrupted before returning.
   virtual bool Wait() = 0;
 
   // Cancels the download.
   virtual void Stop() = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<DownloadFileProvider>;
   virtual ~DownloadFileProvider() {}
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_DRAGDROP_DOWNLOAD_FILE_INTERFACE_H_