Add FilePath to base namespace.

win8/delegate_execute/delegate_execute_util.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 WIN8_DELEGATE_EXECUTE_DELEGATE_EXECUTE_UTIL_H_
 #define WIN8_DELEGATE_EXECUTE_DELEGATE_EXECUTE_UTIL_H_
 
 #include "base/command_line.h"
 #include "base/string16.h"
 
+namespace base {
 class FilePath;
+}
 
 namespace delegate_execute {
 
 // Returns a CommandLine with an empty program parsed from |params|.
 CommandLine CommandLineFromParameters(const wchar_t* params);
 
 // Returns a CommandLine to launch |chrome_exe| with all switches and arguments
 // from |params| plus an optional |argument|.
-CommandLine MakeChromeCommandLine(const FilePath& chrome_exe,
+CommandLine MakeChromeCommandLine(const base::FilePath& chrome_exe,
                                   const CommandLine& params,
                                   const string16& argument);
 
 // Returns a properly quoted command-line string less the program (argv[0])
 // containing |switch|.
 string16 ParametersFromSwitch(const char* a_switch);
 
 }  // namespace delegate_execute
 
 #endif  // WIN8_DELEGATE_EXECUTE_DELEGATE_EXECUTE_UTIL_H_