Use base namespace for FilePath in content/browser

content/browser/web_contents/navigation_controller_impl_unittest.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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
@@ skipping 3190 matching lines @@
   const GURL url2;
 
   std::vector<SessionWindow*> windows_;
 
   SessionID window_id;
 
   SessionServiceTestHelper session_helper_;
 
  private:
   ProfileManager* profile_manager_;
-  FilePath test_dir_;
+  base::FilePath test_dir_;
 };
 
 // A basic test case. Navigates to a single url, and make sure the history
 // db matches.
 TEST_F(NavigationControllerHistoryTest, Basic) {
   NavigationControllerImpl& controller = controller_impl();
   controller.LoadURL(url0, GURL(), PAGE_TRANSITION_LINK);
   test_rvh()->SendNavigate(0, url0);
 
   GetLastSession();
@@ skipping 63 matching lines @@
                     PAGE_TRANSITION_LINK);
   session_helper_.AssertNavigationEquals(nav,
                                          windows_[0]->tabs[0]->navigations[0]);
   nav.set_url(url2);
   session_helper_.AssertNavigationEquals(nav,
                                          windows_[0]->tabs[0]->navigations[1]);
 }
 */
 
 }  // namespace content