Move webrtc/{base => rtc_base}

webrtc/base/protobuf_utils.h

 /*
  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <string>
 
 #ifndef WEBRTC_BASE_PROTOBUF_UTILS_H_
 #define WEBRTC_BASE_PROTOBUF_UTILS_H_
 
-namespace webrtc {
 
-using ProtoString = std::string;
-
-}  // namespace webrtc
-
-#if WEBRTC_ENABLE_PROTOBUF
-
-#include "third_party/protobuf/src/google/protobuf/message_lite.h"
-#include "third_party/protobuf/src/google/protobuf/repeated_field.h"
-
-namespace webrtc {
-
-using google::protobuf::MessageLite;
-using google::protobuf::RepeatedPtrField;
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_ENABLE_PROTOBUF
+// This header is deprecated and is just left here temporarily during
+// refactoring. See https://bugs.webrtc.org/7634 for more details.
+#include "webrtc/rtc_base/protobuf_utils.h"
 
 #endif  // WEBRTC_BASE_PROTOBUF_UTILS_H_