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

blimp/engine/app/switches.cc

Index: blimp/engine/app/switches.cc
diff --git a/blimp/engine/app/switches.cc b/blimp/engine/app/switches.cc
index d993d91685da2549d268ed236252cff7467c6a0f..0cfe19d9ace45eacd3259febe89c82c746ac26b8 100644
--- a/blimp/engine/app/switches.cc
+++ b/blimp/engine/app/switches.cc
@@ -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.
 
@@ -7,7 +7,6 @@
 namespace blimp {
 namespace engine {
 
-const char kClientTokenPath[] = "blimp-client-token-path";
 const char kEnginePort[] = "engine-port";
 
 }  // namespace engine