Avoid toggling app list if interrupted by mouse

ash/accelerators/accelerator_controller.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_controller.h"
 
 #include <utility>
 
 #include "ash/accelerators/accelerator_commands.h"
 #include "ash/accelerators/accelerator_controller_delegate.h"
@@ skipping 375 matching lines @@
 }
 
 bool CanHandleToggleAppList(const ui::Accelerator& accelerator,
                             const ui::Accelerator& previous_accelerator) {
   if (accelerator.key_code() == ui::VKEY_LWIN) {
     // If something else was pressed between the Search key (LWIN)
     // being pressed and released, then ignore the release of the
     // Search key.
     if (previous_accelerator.key_state() !=
             ui::Accelerator::KeyState::PRESSED ||
-        previous_accelerator.key_code() != ui::VKEY_LWIN) {
+        previous_accelerator.key_code() != ui::VKEY_LWIN ||
+        previous_accelerator.is_interrupted_by_mouse_event()) {
       return false;
     }
 
     // When spoken feedback is enabled, we should neither toggle the list nor
     // consume the key since Search+Shift is one of the shortcuts the a11y
     // feature uses. crbug.com/132296
     if (Shell::Get()->accessibility_delegate()->IsSpokenFeedbackEnabled())
       return false;
   }
   return true;
@@ skipping 925 matching lines @@
       data->uma_histogram_name, data->notification_message_id,
       data->old_shortcut_id, data->new_shortcut_id);
 
   if (!data->deprecated_enabled)
     return AcceleratorProcessingStatus::STOP;
 
   return AcceleratorProcessingStatus::PROCEED;
 }
 
 }  // namespace ash