Don't fire a FOCUS accessibility event on a View that doesn't have focus.

ash/wm/overview/window_selector_item.h

 // Copyright 2013 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 ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
 
 #include "ash/ash_export.h"
 #include "ash/wm/overview/scoped_transform_overview_window.h"
 #include "base/compiler_specific.h"
@@ skipping 68 matching lines @@
   // Sets the bounds of this window selector item to |target_bounds| in the
   // |root_window_| root window. The bounds change will be animated as specified
   // by |animation_type|.
   void SetBounds(const gfx::Rect& target_bounds,
                  OverviewAnimationType animation_type);
 
   // Recomputes the positions for the windows in this selection item. This is
   // dispatched when the bounds of a window change.
   void RecomputeWindowTransforms();
 
-  // Sends an a11y focus alert so that, if chromevox is enabled, the window
-  // label is read.
-  void SendFocusAlert() const;
+  // Sends an accessibility event indicating that this window became selected
+  // so that it's highlighted and announced if accessibility features are
+  // enabled.
+  void SendAccessibleSelectionEvent();
 
   // Sets if the item is dimmed in the overview. Changing the value will also
   // change the visibility of the transform windows.
   void SetDimmed(bool dimmed);
   bool dimmed() const { return dimmed_; }
 
   const gfx::Rect& target_bounds() const { return target_bounds_; }
 
   // views::ButtonListener:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
@@ skipping 62 matching lines @@
   // Pointer to the WindowSelector that owns the WindowGrid containing |this|.
   // Guaranteed to be non-null for the lifetime of |this|.
   WindowSelector* window_selector_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSelectorItem);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_