Remove old (dead) app list code.

ui/app_list/views/app_list_item_view.cc

 // Copyright (c) 2012 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_item_view.h"
 
 #include <algorithm>
 
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
@@ skipping 254 matching lines @@
       (GetContentsBounds().width() - progress_bar_bounds.width()) / 2);
   progress_bar_bounds.set_y(title_bounds.y());
   progress_bar_->SetBoundsRect(progress_bar_bounds);
 }
 
 void AppListItemView::OnPaint(gfx::Canvas* canvas) {
   if (apps_grid_view_->IsDraggedView(this))
     return;
 
   gfx::Rect rect(GetContentsBounds());
-  if (apps_grid_view_->IsSelectedView(this)) {
+  if (apps_grid_view_->IsSelectedView(this))
     canvas->FillRect(rect, kSelectedColor);
-  } else if (is_highlighted_ && !is_installing_ &&
-             !app_list::switches::IsExperimentalAppListEnabled()) {
-    canvas->FillRect(rect, kHighlightedColor);
-    return;
-  }
 
   if (ui_state_ == UI_STATE_DROPPING_IN_FOLDER) {
     DCHECK(apps_grid_view_->model()->folders_enabled());
 
     // Draw folder dropping preview circle.
     gfx::Point center = gfx::Point(icon_->x() + icon_->size().width() / 2,
                                    icon_->y() + icon_->size().height() / 2);
     SkPaint paint;
     paint.setStyle(SkPaint::kFill_Style);
     paint.setAntiAlias(true);
@@ skipping 13 matching lines @@
   if (!apps_grid_view_->IsSelectedView(this))
     apps_grid_view_->ClearAnySelectedView();
   context_menu_runner_.reset(new views::MenuRunner(
       menu_model, views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::ASYNC));
   context_menu_runner_->RunMenuAt(GetWidget(), NULL,
                                   gfx::Rect(point, gfx::Size()),
                                   views::MENU_ANCHOR_TOPLEFT, source_type);
 }
 
 void AppListItemView::StateChanged() {
-  if (app_list::switches::IsExperimentalAppListEnabled()) {
-    if (state() == STATE_HOVERED || state() == STATE_PRESSED) {
-      shadow_animator_.animation()->Show();
-    } else {
-      shadow_animator_.animation()->Hide();
-    }
-  }
-
   if (state() == STATE_HOVERED || state() == STATE_PRESSED) {
+    shadow_animator_.animation()->Show();
     // Show the hover/tap highlight: for tap, lighter highlight replaces darker
     // keyboard selection; for mouse hover, keyboard selection takes precedence.
     if (!apps_grid_view_->IsSelectedView(this) || state() == STATE_PRESSED)
       SetItemIsHighlighted(true);
   } else {
+    shadow_animator_.animation()->Hide();
     SetItemIsHighlighted(false);
     if (item_weak_)
       item_weak_->set_highlighted(false);
   }
   SetTitleSubpixelAA();
 }
 
 bool AppListItemView::ShouldEnterPushedState(const ui::Event& event) {
   // Don't enter pushed state for ET_GESTURE_TAP_DOWN so that hover gray
   // background does not show up during scroll.
@@ skipping 187 matching lines @@
   SetItemPercentDownloaded(item_weak_->percent_downloaded());
 }
 
 void AppListItemView::ItemBeingDestroyed() {
   DCHECK(item_weak_);
   item_weak_->RemoveObserver(this);
   item_weak_ = NULL;
 }
 
 }  // namespace app_list