[Chromoting] Implement host safe-mode

remoting/host/safe_mode.h

Index: remoting/host/safe_mode.h
diff --git a/remoting/host/safe_mode.h b/remoting/host/safe_mode.h
new file mode 100644
index 0000000000000000000000000000000000000000..d1aa1cbe1d4468cd144b300c4f440630723b99ce
--- /dev/null
+++ b/remoting/host/safe_mode.h
@@ -0,0 +1,15 @@
+// Copyright 2017 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_SAFE_MODE_H_
+#define REMOTING_HOST_SAFE_MODE_H_
+
+namespace remoting {
+
+// Checks whether host is running in safe-mode.
+extern bool ExecuteHostInSafeMode();
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_SAFE_MODE_H_