Revert r196352 "dbus: Add FakeBus"

dbus/fake_bus.h

Index: dbus/fake_bus.h
diff --git a/dbus/fake_bus.h b/dbus/fake_bus.h
deleted file mode 100644
index 743e3628d9cf08d8940de8b4c91017bf9a07e767..0000000000000000000000000000000000000000
--- a/dbus/fake_bus.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright (c) 2013 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 DBUS_FAKE_BUS_H_
-#define DBUS_FAKE_BUS_H_
-
-#include "dbus/bus.h"
-
-namespace dbus {
-
-// A fake implementation of Bus, which does nothing.
-class FakeBus : public Bus {
- public:
-  FakeBus(const Bus::Options& options);
-
- protected:
-  virtual ~FakeBus();
-};
-
-}  // namespace dbus
-
-#endif  // DBUS_FAKE_BUS_H_