MonitorManager to manage multiple monitors.

ui/aura/monitor.cc

Index: ui/aura/monitor.cc
diff --git a/ui/aura/monitor.cc b/ui/aura/monitor.cc
new file mode 100644
index 0000000000000000000000000000000000000000..95666156fb431e311077a32feae96d7e38254986
--- /dev/null
+++ b/ui/aura/monitor.cc
@@ -0,0 +1,18 @@
+// 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.h"
+
+namespace aura {
+
+Monitor::Monitor() {
+}
+
+gfx::Rect Monitor::GetWorkAreaBounds() const {
+  gfx::Rect bounds(bounds_);
+  bounds.Inset(work_area_insets_);
+  return bounds;
+}
+
+}  // namespace aura