Add an accessibility alert for incorrect use of some accelerators.

ash/accelerators/accelerator_table.cc

 // 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 "ash/accelerators/accelerator_table.h"
 
 #include "base/basictypes.h"
 
 namespace ash {
 
@@ skipping 395 matching lines @@
   TOGGLE_SPOKEN_FEEDBACK,
   ADD_REMOVE_DISPLAY,
   DISABLE_GPU_WATCHDOG,
   TOGGLE_MIRROR_MODE,
 #endif  // defined(OS_CHROMEOS)
 };
 
 const size_t kActionsAllowedInAppModeLength =
     arraysize(kActionsAllowedInAppMode);
 
+const AcceleratorAction kActionsNeedingWindow[] = {
+    ACCESSIBLE_FOCUS_NEXT,
+    ACCESSIBLE_FOCUS_PREVIOUS,
+    CYCLE_BACKWARD_MRU,
+    CYCLE_FORWARD_MRU,
+    CYCLE_LINEAR,
+    WINDOW_SNAP_LEFT,
+    WINDOW_SNAP_RIGHT,
+    WINDOW_MINIMIZE,
+    TOGGLE_FULLSCREEN,
+    TOGGLE_MAXIMIZED,
+    WINDOW_POSITION_CENTER,
+    ROTATE_WINDOW,
+};
+
+const size_t kActionsNeedingWindowLength = arraysize(kActionsNeedingWindow);
+
 }  // namespace ash