Allows client to access auth token from command line specified file.

blimp/engine/app/switches.h

Index: blimp/engine/app/switches.h
diff --git a/blimp/engine/app/switches.h b/blimp/engine/app/switches.h
index 6e25d738e1ee6a102a8127fae73b1a2085d36cb1..b7c807fd9bbbb6c1ae0805b16140064d39139470 100644
--- a/blimp/engine/app/switches.h
+++ b/blimp/engine/app/switches.h
@@ -1,4 +1,4 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
+// Copyright 2016 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.
 
@@ -8,9 +8,6 @@
 namespace blimp {
 namespace engine {
 
-// Path to the client token/shared secret between the engine and the client.
-extern const char kClientTokenPath[];
-
 // The port to listen to for incoming TCP connections.
 extern const char kEnginePort[];