Add FilePath to base namespace.

ui/base/win/shell.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_WIN_SHELL_H_
 #define UI_BASE_WIN_SHELL_H_
 
 #include <windows.h>
 
 #include "base/string16.h"
 #include "ui/base/ui_export.h"
 
+namespace base {
 class FilePath;
+}
 
 namespace ui {
 namespace win {
 // Open or run a file via the Windows shell. In the event that there is no
 // default application registered for the file specified by 'full_path',
 // ask the user, via the Windows "Open With" dialog.
 // Returns 'true' on successful open, 'false' otherwise.
-UI_EXPORT bool OpenItemViaShell(const FilePath& full_path);
+UI_EXPORT bool OpenItemViaShell(const base::FilePath& full_path);
 
 // The download manager now writes the alternate data stream with the
 // zone on all downloads. This function is equivalent to OpenItemViaShell
 // without showing the zone warning dialog.
-UI_EXPORT bool OpenItemViaShellNoZoneCheck(const FilePath& full_path);
+UI_EXPORT bool OpenItemViaShellNoZoneCheck(const base::FilePath& full_path);
 
 // Lower level function that allows opening of non-files like urls or GUIDs
 // don't use it if one of the above will do. |mask| is a valid combination
 // of SEE_MASK_FLAG_XXX as stated in msdn. If there is no default application
 // registered for the item, it behaves the same as OpenItemViaShell.
 UI_EXPORT bool OpenAnyViaShell(const string16& full_path,
                                const string16& directory,
                                const string16& args,
                                DWORD mask);
 
@@ skipping 18 matching lines @@
                                            HWND hwnd);
 
 // Returns true if composition is available and turned on on the current
 // platform.
 UI_EXPORT bool IsAeroGlassEnabled();
 
 }  // namespace win
 }  // namespace ui
 
 #endif  // UI_BASE_WIN_SHELL_H_