Rename gfx::Monitor to gfx::Display

ui/aura/display_observer.cc

Index: ui/aura/display_observer.cc
diff --git a/ui/aura/monitor_observer.cc b/ui/aura/display_observer.cc
similarity index 73%
rename from ui/aura/monitor_observer.cc
rename to ui/aura/display_observer.cc
index aa1cf0f415cd441d2eda5c49825f4cadd8142620..d9120fdebf2fd503337241ef90c5dd361dac95d8 100644
--- a/ui/aura/monitor_observer.cc
+++ b/ui/aura/display_observer.cc
@@ -2,11 +2,11 @@
 // 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"
+#include "ui/aura/display_observer.h"
 
 namespace aura {
 
-MonitorObserver::~MonitorObserver() {
+DisplayObserver::~DisplayObserver() {
 }
 
 }  // namespace aura