Use a direct include of strings headers in testing/, third_party/, tools/.

third_party/zlib/google/zip.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 "third_party/zlib/google/zip.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/logging.h"
-#include "base/string16.h"
-#include "base/string_util.h"
+#include "base/strings/string16.h"
+#include "base/strings/string_util.h"
 #include "net/base/file_stream.h"
 #include "third_party/zlib/google/zip_internal.h"
 #include "third_party/zlib/google/zip_reader.h"
 
 #if defined(USE_SYSTEM_MINIZIP)
 #include <minizip/unzip.h>
 #include <minizip/zip.h>
 #else
 #include "third_party/zlib/contrib/minizip/unzip.h"
 #include "third_party/zlib/contrib/minizip/zip.h"
@@ skipping 175 matching lines @@
   if (ZIP_OK != zipClose(zip_file, NULL)) {
     DLOG(ERROR) << "Error closing zip file for fd " << dest_fd;
     success = false;
   }
 
   return success;
 }
 #endif  // defined(OS_POSIX)
 
 }  // namespace zip