linux and chromeos: Turn on -Wunused-const-variable.

chromeos/dbus/fake_bluetooth_adapter_client.cc

 // 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 "chromeos/dbus/fake_bluetooth_adapter_client.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/fake_bluetooth_device_client.h"
 #include "dbus/object_path.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
-namespace {
-
-// Amount of time to wait after a command before performing it.
-const int kCommandEffectsTimeMs = 500;
-
-}
-
 namespace chromeos {
 
 const char FakeBluetoothAdapterClient::kAdapterPath[] =
     "/fake/hci0";
 const char FakeBluetoothAdapterClient::kAdapterName[] =
     "Fake Adapter";
 const char FakeBluetoothAdapterClient::kAdapterAddress[] =
     "01:1a:2b:1a:2b:03";
 
 const char FakeBluetoothAdapterClient::kSecondAdapterPath[] =
@@ skipping 212 matching lines @@
       properties_->discovering.ReplaceValue(false);
     }
   }
 
   FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
                     AdapterPropertyChanged(dbus::ObjectPath(kAdapterPath),
                                            property_name));
 }
 
 }  // namespace chromeos