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 "base/i18n/number_formatting.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_features.h"
 #include "ui/app_list/app_list_view_delegate.h"
@@ skipping 138 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::OnRatingChanged() {
   SetRating(item_->rating());
 }
 
 void SearchResultTileItemView::OnFormattedPriceChanged() {
   SetPrice(item_->formatted_price());
 }
 
@@ skipping 88 matching lines @@
     if (item_->display_type() == SearchResult::DISPLAY_RECOMMENDATION)
       return gfx::Size(kGridTileWidth, kGridTileHeight);
     if (item_->display_type() == SearchResult::DISPLAY_TILE)
       return gfx::Size(kSearchTileWidth, kSearchTileHeight);
   }
 
   return TileItemView::CalculatePreferredSize();
 }
 
 }  // namespace app_list