Revert of Use ChannelMojo between the remoting daemon and network processes.

remoting/host/win/launch_process_with_token.h

 // 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.
 
 #ifndef REMOTING_HOST_WIN_LAUNCH_PROCESS_WITH_TOKEN_H_
 #define REMOTING_HOST_WIN_LAUNCH_PROCESS_WITH_TOKEN_H_
 
 #include <windows.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
-#include "base/process/launch.h"
 #include "base/synchronization/lock.h"
 #include "base/win/scoped_handle.h"
 
 namespace remoting {
 
+// This lock should be taken when creating handles that will be inherited by
+// a child process. Without it the child process can inherit handles created for
+// a different child process started at the same time.
+extern base::LazyInstance<base::Lock>::Leaky g_inherit_handles_lock;
+
 // Creates a copy of the current process token for the given |session_id| so
 // it can be used to launch a process in that session.
 bool CreateSessionToken(uint32_t session_id,
                         base::win::ScopedHandle* token_out);
 
 // Launches |binary| in the security context of the user represented by
 // |user_token|. The session ID specified by the token is respected as well.
-// If |handles_to_inherit| is non-empty, these handles will be inherited by the
-// new process. The other parameters are passed directly to
-// CreateProcessAsUser().
-bool LaunchProcessWithToken(
-    const base::FilePath& binary,
-    const base::CommandLine::StringType& command_line,
-    HANDLE user_token,
-    SECURITY_ATTRIBUTES* process_attributes,
-    SECURITY_ATTRIBUTES* thread_attributes,
-    const base::HandlesToInheritVector& handles_to_inherit,
-    DWORD creation_flags,
-    const base::char16* desktop_name,
-    base::win::ScopedHandle* process_out,
-    base::win::ScopedHandle* thread_out);
+// The other parameters are passed directly to CreateProcessAsUser().
+// If |inherit_handles| is true |g_inherit_handles_lock| should be taken while
+// any inheritable handles are open.
+bool LaunchProcessWithToken(const base::FilePath& binary,
+                            const base::CommandLine::StringType& command_line,
+                            HANDLE user_token,
+                            SECURITY_ATTRIBUTES* process_attributes,
+                            SECURITY_ATTRIBUTES* thread_attributes,
+                            bool inherit_handles,
+                            DWORD creation_flags,
+                            const base::char16* desktop_name,
+                            base::win::ScopedHandle* process_out,
+                            base::win::ScopedHandle* thread_out);
 
 } // namespace remoting
 
 #endif  // REMOTING_HOST_WIN_LAUNCH_PROCESS_WITH_TOKEN_H_