Add an accessible name to the restart button

ash/system/tray/tray_views.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/tray_views.h"
 
 #include "ash/system/tray/tray_constants.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "grit/ash_strings.h"
 #include "grit/ui_resources.h"
@@ skipping 55 matching lines @@
   return PerformAction(event);
 }
 
 void ActionableView::OnPaintFocusBorder(gfx::Canvas* canvas) {
   if (HasFocus() && (focusable() || IsAccessibilityFocusable())) {
     canvas->DrawRect(gfx::Rect(1, 1, width() - 3, height() - 3),
                      kFocusBorderColor);
   }
 }
 
+void ActionableView::GetAccessibleState(ui::AccessibleViewState* state) {
+  state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
+  state->name = accessible_name_;
+}
+
+void ActionableView::SetAccessibleName(const string16& name) {
+  accessible_name_ = name;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // HoverHighlightView
 
 HoverHighlightView::HoverHighlightView(ViewClickListener* listener)
     : listener_(listener),
       highlight_color_(kHoverBackgroundColor),
       default_color_(0),
       fixed_height_(0),
       hover_(false) {
   set_notify_enter_exit_on_child(true);
@@ skipping 254 matching lines @@
   label->SetAutoColorReadabilityEnabled(false);
   label->SetEnabledColor(SK_ColorWHITE);
   label->SetBackgroundColor(SkColorSetARGB(0, 255, 255, 255));
   label->SetShadowColors(SkColorSetARGB(64, 0, 0, 0),
                          SkColorSetARGB(64, 0, 0, 0));
   label->SetShadowOffset(0, 1);
 }
 
 }  // namespace internal
 }  // namespace ash