Revert r196352 "dbus: Add FakeBus"

dbus/fake_bus.cc

Index: dbus/fake_bus.cc
diff --git a/dbus/fake_bus.cc b/dbus/fake_bus.cc
deleted file mode 100644
index a93772c58b7b092010ef02a40b69d079009aa82a..0000000000000000000000000000000000000000
--- a/dbus/fake_bus.cc
+++ /dev/null
@@ -1,17 +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.
-
-#include "dbus/fake_bus.h"
-
-#include "base/location.h"
-
-namespace dbus {
-
-FakeBus::FakeBus(const Bus::Options& options) : Bus(options) {
-}
-
-FakeBus::~FakeBus() {
-}
-
-}  // namespace dbus