Discard unused AppListPrefs code.

chrome/browser/ui/app_list/model_pref_updater_unittest.cc

Index: chrome/browser/ui/app_list/model_pref_updater_unittest.cc
diff --git a/chrome/browser/ui/app_list/model_pref_updater_unittest.cc b/chrome/browser/ui/app_list/model_pref_updater_unittest.cc
deleted file mode 100644
index a5c4c768a898fa360ce4d094ef8d72d9083a1cbe..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/app_list/model_pref_updater_unittest.cc
+++ /dev/null
@@ -1,105 +0,0 @@
-// 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 "chrome/browser/ui/app_list/model_pref_updater.h"
-
-#include <memory>
-
-#include "base/macros.h"
-#include "chrome/browser/ui/app_list/app_list_prefs.h"
-#include "chrome/browser/ui/app_list/extension_app_item.h"
-#include "components/pref_registry/testing_pref_service_syncable.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/app_list/app_list_folder_item.h"
-#include "ui/app_list/app_list_item.h"
-#include "ui/app_list/test/app_list_test_model.h"
-
-namespace app_list {
-namespace test {
-
-class TestExtensionAppItem : public AppListItem {
- public:
-  explicit TestExtensionAppItem(const std::string& id) : AppListItem(id) {}
-  ~TestExtensionAppItem() override {}
-
-  const char* GetItemType() const override {
-    return ExtensionAppItem::kItemType;
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TestExtensionAppItem);
-};
-
-class ModelPrefUpdaterTest : public testing::Test {
- public:
-  ModelPrefUpdaterTest() {}
-  ~ModelPrefUpdaterTest() override {}
-
-  void SetUp() override {
-    AppListPrefs::RegisterProfilePrefs(pref_service_.registry());
-    prefs_.reset(AppListPrefs::Create(&pref_service_));
-    model_.reset(new AppListTestModel());
-    pref_updater_.reset(new ModelPrefUpdater(prefs_.get(), model_.get()));
-  }
-
-  AppListTestModel* model() { return model_.get(); }
-
-  AppListPrefs* prefs() { return prefs_.get(); }
-
-  bool AppListItemMatchesPrefs(AppListItem* item) {
-    std::unique_ptr<AppListPrefs::AppListInfo> info =
-        prefs_->GetAppListInfo(item->id());
-    AppListPrefs::AppListInfo::ItemType expected_type =
-        AppListPrefs::AppListInfo::ITEM_TYPE_INVALID;
-    if (item->GetItemType() == ExtensionAppItem::kItemType)
-      expected_type = AppListPrefs::AppListInfo::APP_ITEM;
-    else if (item->GetItemType() == AppListFolderItem::kItemType)
-      expected_type = AppListPrefs::AppListInfo::FOLDER_ITEM;
-
-    return info && info->position.Equals(item->position()) &&
-           info->name == item->name() && info->parent_id == item->folder_id() &&
-           info->item_type == expected_type;
-  }
-
- private:
-  user_prefs::TestingPrefServiceSyncable pref_service_;
-  std::unique_ptr<AppListTestModel> model_;
-  std::unique_ptr<AppListPrefs> prefs_;
-  std::unique_ptr<ModelPrefUpdater> pref_updater_;
-
-  DISALLOW_COPY_AND_ASSIGN(ModelPrefUpdaterTest);
-};
-
-TEST_F(ModelPrefUpdaterTest, ModelChange) {
-  AppListPrefs::AppListInfoMap infos;
-  prefs()->GetAllAppListInfos(&infos);
-  EXPECT_EQ(0u, infos.size());
-
-  AppListFolderItem* folder =
-      new AppListFolderItem("folder1", AppListFolderItem::FOLDER_TYPE_NORMAL);
-  model()->AddItem(folder);
-
-  prefs()->GetAllAppListInfos(&infos);
-  EXPECT_EQ(1u, infos.size());
-  EXPECT_TRUE(AppListItemMatchesPrefs(folder));
-
-  AppListItem* item = new TestExtensionAppItem("Item 0");
-  model()->AddItem(item);
-
-  prefs()->GetAllAppListInfos(&infos);
-  EXPECT_EQ(2u, infos.size());
-  EXPECT_TRUE(AppListItemMatchesPrefs(folder));
-  EXPECT_TRUE(AppListItemMatchesPrefs(item));
-
-  model()->MoveItemToFolder(item, folder->id());
-  EXPECT_EQ(folder->id(), item->folder_id());
-
-  prefs()->GetAllAppListInfos(&infos);
-  EXPECT_EQ(2u, infos.size());
-  EXPECT_TRUE(AppListItemMatchesPrefs(folder));
-  EXPECT_TRUE(AppListItemMatchesPrefs(item));
-}
-
-}  // namespace test
-}  // namespace app_list