Add ChromeVox Support for the AppLauncher's Start Page Tile Items

ui/app_list/views/tile_item_view.cc

 // Copyright 2014 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/tile_item_view.h"
 
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/views/app_list_main_view.h"
 #include "ui/views/background.h"
 #include "ui/views/controls/image_view.h"
@@ skipping 37 matching lines @@
 
 TileItemView::~TileItemView() {
 }
 
 void TileItemView::SetSelected(bool selected) {
   if (selected == selected_)
     return;
 
   selected_ = selected;
   UpdateBackgroundColor();
+  NotifyAccessibilityEvent(ui::AX_EVENT_FOCUS, true);
 }
 
 void TileItemView::SetParentBackgroundColor(SkColor color) {
   parent_background_color_ = color;
   UpdateBackgroundColor();
 }
 
 void TileItemView::SetIcon(const gfx::ImageSkia& icon) {
   icon_->SetImage(icon);
 }
 
 void TileItemView::SetTitle(const base::string16& title) {
   title_->SetText(title);
+  SetAccessibleName(title);
 }
 
 void TileItemView::StateChanged() {
   UpdateBackgroundColor();
 }
 
 void TileItemView::UpdateBackgroundColor() {
   views::Background* background = nullptr;
   SkColor background_color = parent_background_color_;
 
@@ skipping 12 matching lines @@
 
   set_background(background);
   SchedulePaint();
 }
 
 gfx::Size TileItemView::GetPreferredSize() const {
   return gfx::Size(kTileSize, kTileSize);
 }
 
 }  // namespace app_list