Move shadow code to views\corewm

ui/aura/test/test_activation_client.h

 // 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.
 
 #ifndef UI_AURA_TEST_TEST_ACTIVATION_CLIENT_H_
 #define UI_AURA_TEST_TEST_ACTIVATION_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 29 matching lines @@
 
  private:
   void RemoveActiveWindow(Window* window);
 
   // This class explicitly does NOT store the active window in a window property
   // to make sure that ActivationChangeObserver is not treated as part of the
   // aura API. Assumptions to that end will cause tests that use this client to
   // fail.
   std::vector<Window*> active_windows_;
 
+  ObserverList<client::ActivationChangeObserver> observers_;
+
   DISALLOW_COPY_AND_ASSIGN(TestActivationClient);
 };
 
 }  // namespace test
 }  // namespace aura
 
 #endif  // UI_AURA_TEST_TEST_ACTIVATION_CLIENT_H_