Plugin Power Saver: remove dead flags

components/plugins/common/plugins_switches.h

Index: components/plugins/common/plugins_switches.h
diff --git a/components/plugins/common/plugins_switches.h b/components/plugins/common/plugins_switches.h
deleted file mode 100644
index 57500b734d0ac67e4c6802fc5db57afe804f9219..0000000000000000000000000000000000000000
--- a/components/plugins/common/plugins_switches.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2015 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 COMPONENTS_PLUGINS_COMMON_PLUGIN_SWITCHES_H_
-#define COMPONENTS_PLUGINS_COMMON_PLUGIN_SWITCHES_H_
-
-namespace plugins {
-namespace switches {
-
-extern const char kDisablePluginPowerSaver[];
-extern const char kEnablePluginPowerSaver[];
-
-}  // namespace switches
-}  // namespace plugins
-
-#endif  // COMPONENTS_PLUGINS_COMMON_PLUGIN_SWITCHES_H_