Rename FilePath -> base::FilePath in various toplevel directories

chrome_frame/test/chrome_frame_ui_test_utils.cc

 // 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.
 
 #include "chrome_frame/test/chrome_frame_ui_test_utils.h"
 
 #include <windows.h>
 
 #include <sstream>
 #include <stack>
@@ skipping 721 matching lines @@
     std::cout << "Could not get IAccessible for window" << std::endl;
 }
 
 bool IsDesktopUnlocked() {
   HDESK desk = ::OpenInputDesktop(0, FALSE, DESKTOP_SWITCHDESKTOP);
   if (desk)
     ::CloseDesktop(desk);
   return desk;
 }
 
-FilePath GetIAccessible2ProxyStubPath() {
-  FilePath path;
+base::FilePath GetIAccessible2ProxyStubPath() {
+  base::FilePath path;
   PathService::Get(chrome::DIR_APP, &path);
   return path.AppendASCII("IAccessible2Proxy.dll");
 }
 
 }  // namespace chrome_frame_test