FBTF: Remove unneeded #includes of <string> and <vector> from src/app and src/base.

base/test/test_file_util.h

Index: base/test/test_file_util.h
diff --git a/base/test/test_file_util.h b/base/test/test_file_util.h
index 8161d13c22edffaa8a7fa9045a015578a439d308..362c52539c3a5a7d308db2f87eea15cf80a73034 100644
--- a/base/test/test_file_util.h
+++ b/base/test/test_file_util.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -8,8 +8,6 @@
 
 // File utility functions used only by tests.
 
-#include <string>
-
 class FilePath;
 
 namespace file_util {