Simplifies the structure of app_list search a bit.

ui/app_list/views/app_list_view_unittest.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/app_list_view.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/pagination_model.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/test/app_list_test_model.h"
 #include "ui/app_list/test/app_list_test_view_delegate.h"
+#include "ui/app_list/test/test_search_result.h"
 #include "ui/app_list/views/app_list_folder_view.h"
 #include "ui/app_list/views/app_list_main_view.h"
 #include "ui/app_list/views/apps_container_view.h"
 #include "ui/app_list/views/apps_grid_view.h"
 #include "ui/app_list/views/contents_switcher_view.h"
 #include "ui/app_list/views/contents_view.h"
 #include "ui/app_list/views/search_box_view.h"
 #include "ui/app_list/views/search_result_list_view.h"
 #include "ui/app_list/views/start_page_view.h"
 #include "ui/app_list/views/test/apps_grid_view_test_api.h"
@@ skipping 27 matching lines @@
        ++it) {
     if ((*it)->visible())
       count++;
   }
   return count;
 }
 
 // Choose a set that is 3 regular app list pages and 2 landscape app list pages.
 const int kInitialItems = 34;
 
-class TestTileSearchResult : public SearchResult {
+class TestTileSearchResult : public TestSearchResult {
  public:
   TestTileSearchResult() { set_display_type(DISPLAY_TILE); }
   virtual ~TestTileSearchResult() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestTileSearchResult);
 };
 
 // Allows the same tests to run with different contexts: either an Ash-style
 // root window or a desktop window tree host.
@@ skipping 633 matching lines @@
 INSTANTIATE_TEST_CASE_P(AppListViewTestAuraInstance,
                         AppListViewTestAura,
                         ::testing::Range<int>(TEST_TYPE_START, TEST_TYPE_END));
 
 INSTANTIATE_TEST_CASE_P(AppListViewTestDesktopInstance,
                         AppListViewTestDesktop,
                         ::testing::Range<int>(TEST_TYPE_START, TEST_TYPE_END));
 
 }  // namespace test
 }  // namespace app_list