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

ui/app_list/views/search_box_view.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 "ui/app_list/views/search_box_view.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "build/build_config.h"
@@ skipping 70 matching lines @@
   ~SearchBoxImageButton() override {}
 
   bool selected() { return selected_; }
   void SetSelected(bool selected) {
     if (selected_ == selected)
       return;
 
     selected_ = selected;
     SchedulePaint();
     if (selected)
-      NotifyAccessibilityEvent(ui::AX_EVENT_FOCUS, true);
+      NotifyAccessibilityEvent(ui::AX_EVENT_SELECTION, true);
   }
 
   bool OnKeyPressed(const ui::KeyEvent& event) override {
     // Disable space key to press the button. The keyboard events received
     // by this view are forwarded from a Textfield (SearchBoxView) and key
     // released events are not forwarded. This leaves the button in pressed
     // state.
     if (event.key_code() == ui::VKEY_SPACE)
       return false;
 
@@ skipping 362 matching lines @@
   NotifyQueryChanged();
 }
 
 void SearchBoxView::OnSpeechRecognitionStateChanged(
     SpeechRecognitionState new_state) {
   SpeechRecognitionButtonPropChanged();
   SchedulePaint();
 }
 
 }  // namespace app_list