Remove old (dead) app list code.

ui/app_list/views/app_list_main_view.cc

 // Copyright 2013 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/app_list_main_view.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 133 matching lines @@
   if (icon_loading_wait_timer_.IsRunning())
     return;
 
   icon_loading_wait_timer_.Start(
       FROM_HERE,
       base::TimeDelta::FromMilliseconds(kMaxIconLoadingWaitTimeInMs),
       this, &AppListMainView::OnIconLoadingWaitTimer);
 }
 
 void AppListMainView::ResetForShow() {
-  if (switches::IsExperimentalAppListEnabled())
-    contents_view_->SetActiveState(AppListModel::STATE_START);
-
+  contents_view_->SetActiveState(AppListModel::STATE_START);
   contents_view_->apps_container_view()->ResetForShowApps();
   // We clear the search when hiding so when app list appears it is not showing
   // search results.
   search_box_view_->ClearSearch();
 }
 
 void AppListMainView::Close() {
   icon_loading_wait_timer_.Stop();
   contents_view_->CancelDrag();
 }
 
 void AppListMainView::ModelChanged() {
   pending_icon_loaders_.clear();
   model_->RemoveObserver(this);
   model_ = delegate_->GetModel();
   model_->AddObserver(this);
   search_box_view_->ModelChanged();
   delete contents_view_;
   contents_view_ = NULL;
   AddContentsViews();
   Layout();
 }
 
 void AppListMainView::SetDragAndDropHostOfCurrentAppList(
     ApplicationDragAndDropHost* drag_and_drop_host) {
   contents_view_->SetDragAndDropHostOfCurrentAppList(drag_and_drop_host);
 }
 
-bool AppListMainView::ShouldCenterWindow() const {
-  return delegate_->ShouldCenterWindow();
-}
-
 PaginationModel* AppListMainView::GetAppsPaginationModel() {
   return contents_view_->apps_container_view()
       ->apps_grid_view()
       ->pagination_model();
 }
 
 void AppListMainView::PreloadIcons(gfx::NativeView parent) {
   float scale_factor = 1.0f;
   if (parent)
     scale_factor = ui::GetScaleFactorForNativeView(parent);
@@ skipping 119 matching lines @@
     contents_view_->search_results_page_view()->SetSelection(select);
 }
 
 void AppListMainView::OnResultInstalled(SearchResult* result) {
   // Clears the search to show the apps grid. The last installed app
   // should be highlighted and made visible already.
   search_box_view_->ClearSearch();
 }
 
 }  // namespace app_list