Do not toggle Applist with Search key press when accessibility is enabled.

ash/system/tray_accessibility.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/system/tray_accessibility.h"
 
 #include "ash/shell.h"
-#include "ash/system/tray/system_tray_delegate.h"
+#include "ash/shell_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_views.h"
 #include "grit/ash_strings.h"
 #include "grit/ui_resources_standard.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/widget/widget.h"
@@ skipping 20 matching lines @@
         IDS_ASH_STATUS_TRAY_DISABLE_SPOKEN_FEEDBACK);
     AddChildView(new views::Label(label));
     SetAccessibleName(label);
   }
 
   virtual ~DefaultAccessibilityView() {}
 
  protected:
   // Overridden from ActionableView.
   virtual bool PerformAction(const views::Event& event) OVERRIDE {
-    ash::Shell::GetInstance()->tray_delegate()->SetEnableSpokenFeedback(false);
+    if (Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled())
+      Shell::GetInstance()->delegate()->ToggleSpokenFeedback();
     GetWidget()->Close();
     return true;
   }
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityView);
 };
 
 TrayAccessibility::TrayAccessibility()
     : TrayImageItem(IDR_AURA_UBER_TRAY_ACCESSIBILITY),
       default_(NULL),
       detailed_(NULL),
       string_id_(0) {
 }
 
 TrayAccessibility::~TrayAccessibility() {}
 
 bool TrayAccessibility::GetInitialVisibility() {
-  return ash::Shell::GetInstance()->tray_delegate()->IsInAccessibilityMode();
+  return Shell::GetInstance()->delegate() &&
+      Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled();
 }
 
 views::View* TrayAccessibility::CreateDefaultView(user::LoginStatus status) {
-  if (!ash::Shell::GetInstance()->tray_delegate()->IsInAccessibilityMode())
+  if (!Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled())
     return NULL;
 
   DCHECK(string_id_);
   CHECK(default_ == NULL);
   default_ = new DefaultAccessibilityView();
 
   return default_;
 }
 
 views::View* TrayAccessibility::CreateDetailedView(user::LoginStatus status) {
@@ skipping 34 matching lines @@
     string_id_ = string_id;
     PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
   } else if (detailed_) {
     string_id_ = 0;
     detailed_->GetWidget()->Close();
   }
 }
 
 }  // namespace internal
 }  // namespace ash