Add WriteIsolatedOutput() functions

webrtc/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.
  */
 
@@ skipping 43 matching lines @@
 // static
 File File::Create(Pathname&& path) {
   return Create(NormalizePathname(std::move(path)));
 }
 
 // static
 File File::Create(const Pathname& path) {
   return Create(Pathname(path));
 }
 
+// static
+bool File::Remove(const std::string& path) {
+  return RemoveFile(path);
+}
+
+// static
+bool File::Remove(Pathname&& path) {
+  return Remove(NormalizePathname(std::move(path)));
+}
+
+// static
+bool File::Remove(const Pathname& path) {
+  return Remove(Pathname(path));
+}
+
 File::File(File&& other) : file_(other.file_) {
   other.file_ = kInvalidPlatformFileValue;
 }
 
 File& File::operator=(File&& other) {
   Close();
   file_ = other.file_;
   other.file_ = kInvalidPlatformFileValue;
   return *this;
 }
 
 bool File::IsOpen() {
   return file_ != kInvalidPlatformFileValue;
 }
 
 }  // namespace rtc