Revert "Update includes for webrtc/{base => rtc_base} rename (3/3)"

webrtc/rtc_base/file.cc

 /*
  *  Copyright (c) 2016 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 "webrtc/rtc_base/file.h"
+#include "webrtc/base/file.h"
 
 #include <utility>
 
 namespace rtc {
 
 namespace {
 
 std::string NormalizePathname(Pathname&& path) {
   path.Normalize();
   return path.pathname();
@@ skipping 63 matching lines @@
   file_ = other.file_;
   other.file_ = kInvalidPlatformFileValue;
   return *this;
 }
 
 bool File::IsOpen() {
   return file_ != kInvalidPlatformFileValue;
 }
 
 }  // namespace rtc