Rename gfx::Monitor to gfx::Display

ui/aura/monitor_observer.cc

Index: ui/aura/monitor_observer.cc
diff --git a/ui/aura/monitor_observer.cc b/ui/aura/monitor_observer.cc
deleted file mode 100644
index aa1cf0f415cd441d2eda5c49825f4cadd8142620..0000000000000000000000000000000000000000
--- a/ui/aura/monitor_observer.cc
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (c) 2012 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 "ui/aura/monitor_observer.h"
-
-namespace aura {
-
-MonitorObserver::~MonitorObserver() {
-}
-
-}  // namespace aura