Use a direct include of strings headers in chrome/browser/media_galleries/.

chrome/browser/media_galleries/fileapi/itunes_finder_win_unittest.cc

 // Copyright (c) 2013 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/base64.h"
 #include "base/base_paths_win.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/test/scoped_path_override.h"
 #include "chrome/browser/media_galleries/fileapi/itunes_finder.h"
 #include "chrome/browser/media_galleries/fileapi/itunes_finder_win.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace itunes {
 
 namespace {
@@ skipping 146 matching lines @@
       "  </dict>"
       "</plist>", EncodePath(library_xml).c_str());
   WritePrefFile(xml);
   result = TestFindITunesLibrary();
   EXPECT_TRUE(result.empty());
 }
 
 }  // namespace
 
 }  // namespace itunes