Use EnablePlayStoreAppSearch feature flag.

ui/app_list/views/search_result_tile_item_list_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_list_view.h"
 
 #include <stddef.h>
 
 #include "base/i18n/rtl.h"
 #include "ui/app_list/app_list_constants.h"
@@ skipping 27 matching lines @@
 constexpr SkColor kSeparatorColor = SkColorSetARGBMacro(0x1F, 0x00, 0x00, 0x00);
 
 }  // namespace
 
 namespace app_list {
 
 SearchResultTileItemListView::SearchResultTileItemListView(
     views::Textfield* search_box,
     AppListViewDelegate* view_delegate)
     : search_box_(search_box),
-      is_fullscreen_app_list_enabled_(features::IsFullscreenAppListEnabled()) {
-  if (is_fullscreen_app_list_enabled_) {
+      is_play_store_app_search_enabled_(
+          features::IsPlayStoreAppSearchEnabled()) {
+  if (is_play_store_app_search_enabled_) {
     SetLayoutManager(new views::BoxLayout(
         views::BoxLayout::kHorizontal,
         gfx::Insets(kItemListVerticalSpacing, kItemListHorizontalSpacing),
         kBetweenItemSpacing));
     for (size_t i = 0; i < kMaxNumSearchResultTiles; ++i) {
       views::Separator* separator = new views::Separator;
       separator->SetVisible(false);
       separator->SetBorder(views::CreateEmptyBorder(
           0, kSeparatorLeftRightPadding, kSearchTileHeight - kSeparatorHeight,
           kSeparatorLeftRightPadding));
@@ skipping 46 matching lines @@
 }
 
 int SearchResultTileItemListView::GetYSize() {
   return num_results() ? 1 : 0;
 }
 
 int SearchResultTileItemListView::DoUpdate() {
   std::vector<SearchResult*> display_results =
       AppListModel::FilterSearchResultsByDisplayType(
           results(), SearchResult::DISPLAY_TILE,
-          is_fullscreen_app_list_enabled_ ? kMaxNumSearchResultTiles
-                                          : kNumSearchResultTiles);
+          is_play_store_app_search_enabled_ ? kMaxNumSearchResultTiles
+                                            : kNumSearchResultTiles);
 
-  if (is_fullscreen_app_list_enabled_) {
+  if (is_play_store_app_search_enabled_) {
     SearchResult::ResultType previous_type = SearchResult::RESULT_UNKNOWN;
 
     for (size_t i = 0; i < kMaxNumSearchResultTiles; ++i) {
       if (i >= display_results.size()) {
         separator_views_[i]->SetVisible(false);
         tile_views_[i]->SetSearchResult(nullptr);
         continue;
       }
 
       SearchResult* item = display_results[i];
@@ skipping 76 matching lines @@
   int selection_index = selected_index() + dir;
   if (IsValidSelectionIndex(selection_index)) {
     SetSelectedIndex(selection_index);
     return true;
   }
 
   return false;
 }
 
 }  // namespace app_list