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ui/wm/public/activation_change_observer.cc

Index: ui/wm/public/activation_change_observer.cc
diff --git a/ui/wm/public/activation_change_observer.cc b/ui/wm/public/activation_change_observer.cc
deleted file mode 100644
index 7fcbb7ae836e6e72231a2aa388af6c62dff102e2..0000000000000000000000000000000000000000
--- a/ui/wm/public/activation_change_observer.cc
+++ /dev/null
@@ -1,29 +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/wm/public/activation_change_observer.h"
-
-#include "ui/aura/window.h"
-#include "ui/aura/window_property.h"
-
-DECLARE_WINDOW_PROPERTY_TYPE(aura::client::ActivationChangeObserver*)
-
-namespace aura {
-namespace client {
-
-DEFINE_LOCAL_WINDOW_PROPERTY_KEY(
-    ActivationChangeObserver*, kActivationChangeObserverKey, NULL);
-
-void SetActivationChangeObserver(
-    Window* window,
-    ActivationChangeObserver* observer) {
-  window->SetProperty(kActivationChangeObserverKey, observer);
-}
-
-ActivationChangeObserver* GetActivationChangeObserver(Window* window) {
-  return window ? window->GetProperty(kActivationChangeObserverKey) : NULL;
-}
-
-}  // namespace client
-}  // namespace aura