Revert "Enable positional parameters for base::vsnprintf and base::vswprintf on Windows."

remoting/host/ipc_util_win.cc

 // Copyright 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 "remoting/host/ipc_util.h"
 
 #include "base/files/file.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
@@ skipping 21 matching lines @@
   std::wstring user_sid;
   if (!base::win::GetUserSidString(&user_sid)) {
     LOG(ERROR) << "Failed to query the current user SID.";
     return false;
   }
 
   // Create a security descriptor that will be used to protect the named pipe in
   // between CreateNamedPipe() and CreateFile() calls before it will be passed
   // to the network process. It gives full access to the account that
   // the calling code is running under and  denies access by anyone else.
-  std::string security_descriptor = base::StringPrintf(
-      "O:%1$sG:%1$sD:(A;;GA;;;%1$s)", base::WideToUTF8(user_sid).c_str());
+  std::string user_sid_utf8 = base::WideToUTF8(user_sid);
+  std::string security_descriptor =
+      base::StringPrintf("O:%sG:%sD:(A;;GA;;;%s)", user_sid_utf8.c_str(),
+                         user_sid_utf8.c_str(), user_sid_utf8.c_str());
 
   // Generate a unique name for the channel.
   std::string channel_name = IPC::Channel::GenerateUniqueRandomChannelID();
 
   // Create the server end of the channel.
   ScopedHandle pipe;
   if (!CreateIpcChannel(channel_name, security_descriptor, &pipe)) {
     return false;
   }
 
@@ skipping 70 matching lines @@
     PLOG(ERROR)
         << "Failed to create the server end of the Chromoting IPC channel";
     return false;
   }
 
   *pipe_out = pipe.Pass();
   return true;
 }
 
 } // namespace remoting