Remove old (dead) app list code.

ui/app_list/views/search_result_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/search_result_view.h"
 
 #include <algorithm>
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/app_list/app_list_constants.h"
@@ skipping 228 matching lines @@
 void SearchResultView::ChildPreferredSizeChanged(views::View* child) {
   Layout();
 }
 
 void SearchResultView::OnPaint(gfx::Canvas* canvas) {
   gfx::Rect rect(GetContentsBounds());
   if (rect.IsEmpty())
     return;
 
   gfx::Rect content_rect(rect);
-  if (!switches::IsExperimentalAppListEnabled())
-    content_rect.set_height(rect.height() - kBorderSize);
-
   const bool selected = list_view_->IsResultViewSelected(this);
   const bool hover = state() == STATE_HOVERED || state() == STATE_PRESSED;
 
-  canvas->FillRect(content_rect, switches::IsExperimentalAppListEnabled()
-                                     ? kCardBackgroundColor
-                                     : kContentsBackgroundColor);
+  canvas->FillRect(content_rect, kCardBackgroundColor);
 
   // Possibly call FillRect a second time (these colours are partially
   // transparent, so the previous FillRect is not redundant).
   if (selected)
     canvas->FillRect(content_rect, kSelectedColor);
   else if (hover)
     canvas->FillRect(content_rect, kHighlightedColor);
 
-  if (switches::IsExperimentalAppListEnabled() && !is_last_result_) {
+  if (!is_last_result_) {
     gfx::Rect line_rect = content_rect;
     line_rect.set_height(kBorderSize);
     line_rect.set_y(content_rect.bottom() - kBorderSize);
     line_rect.set_x(kSeparatorPadding);
     canvas->FillRect(line_rect, kSeparatorColor);
   }
 
   gfx::Rect border_bottom = gfx::SubtractRects(rect, content_rect);
   canvas->FillRect(border_bottom, kResultBorderColor);
 
@@ skipping 135 matching lines @@
     return;
 
   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);
 }
 
 }  // namespace app_list