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

remoting/host/win/launch_process_with_token.h

Index: remoting/host/win/launch_process_with_token.h
diff --git a/remoting/host/win/launch_process_with_token.h b/remoting/host/win/launch_process_with_token.h
index cca7ec96fc625e6eacbe6d090a7486493d8ef0c1..090c4bfe9aff624bd617ef413d6e20381d51e538 100644
--- a/remoting/host/win/launch_process_with_token.h
+++ b/remoting/host/win/launch_process_with_token.h
@@ -14,11 +14,15 @@
 #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.
@@ -27,20 +31,19 @@
 
 // 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