Add the Play Store app search to the launcher.

ui/app_list/views/search_result_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/search_result_tile_item_view.h"
 
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/search_result.h"
 #include "ui/app_list/views/search_result_container_view.h"
 #include "ui/views/controls/menu/menu_runner.h"
@@ skipping 55 matching lines @@
   if (event.key_code() == ui::VKEY_RETURN) {
     view_delegate_->OpenSearchResult(item_, false, event.flags());
     return true;
   }
 
   return false;
 }
 
 void SearchResultTileItemView::OnIconChanged() {
   SetIcon(item_->icon());
+  Layout();
 }
 
 void SearchResultTileItemView::OnBadgeIconChanged() {
   SetBadgeIcon(item_->badge_icon());
+  Layout();
 }
 
 void SearchResultTileItemView::OnResultDestroying() {
   // The menu comes from |item_|. If we're showing a menu we need to cancel it.
   context_menu_runner_.reset();
 
   if (item_)
     item_->RemoveObserver(this);
 
   SetSearchResult(nullptr);
@@ skipping 15 matching lines @@
     result_container_->ClearSelectedIndex();
 
   context_menu_runner_.reset(
       new views::MenuRunner(menu_model, views::MenuRunner::HAS_MNEMONICS));
   context_menu_runner_->RunMenuAt(GetWidget(), nullptr,
                                   gfx::Rect(point, gfx::Size()),
                                   views::MENU_ANCHOR_TOPLEFT, source_type);
 }
 
 }  // namespace app_list