Purge the App Launcher code from Mac

ui/app_list/cocoa/app_list_view_controller_unittest.mm

-// 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 "base/mac/scoped_nsobject.h"
-#include "base/macros.h"
-#import "testing/gtest_mac.h"
-#import "ui/app_list/cocoa/app_list_view_controller.h"
-#import "ui/app_list/cocoa/apps_grid_controller.h"
-#import "ui/app_list/cocoa/test/apps_grid_controller_test_helper.h"
-#include "ui/app_list/test/app_list_test_model.h"
-#include "ui/app_list/test/app_list_test_view_delegate.h"
-
-namespace app_list {
-namespace test {
-
-class AppListViewControllerTest : public AppsGridControllerTestHelper {
- public:
-  AppListViewControllerTest() {}
-
-  void SetUp() override {
-    app_list_view_controller_.reset([[AppListViewController alloc] init]);
-    delegate_.reset(new AppListTestViewDelegate);
-    [app_list_view_controller_ setDelegate:delegate_.get()];
-    SetUpWithGridController([app_list_view_controller_ appsGridController]);
-    [[test_window() contentView] addSubview:[app_list_view_controller_ view]];
-  }
-
-  void TearDown() override {
-    [app_list_view_controller_ setDelegate:NULL];
-    app_list_view_controller_.reset();
-    AppsGridControllerTestHelper::TearDown();
-  }
-
-  void ReplaceTestModel(int item_count) {
-    [app_list_view_controller_ setDelegate:NULL];
-    delegate_.reset(new AppListTestViewDelegate);
-    delegate_->ReplaceTestModel(item_count);
-    [app_list_view_controller_ setDelegate:delegate_.get()];
-  }
-
-  AppListTestModel* model() { return delegate_->GetTestModel(); }
-
- protected:
-  std::unique_ptr<AppListTestViewDelegate> delegate_;
-  base::scoped_nsobject<AppListViewController> app_list_view_controller_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(AppListViewControllerTest);
-};
-
-TEST_VIEW(AppListViewControllerTest, [app_list_view_controller_ view]);
-
-// Test that adding and removing pages updates the pager.
-TEST_F(AppListViewControllerTest, PagerSegmentCounts) {
-  NSSegmentedControl* pager = [app_list_view_controller_ pagerControl];
-  EXPECT_EQ(1, [pager segmentCount]);
-
-  ReplaceTestModel(kItemsPerPage * 2);
-  EXPECT_EQ(2, [pager segmentCount]);
-  model()->PopulateApps(1);
-  EXPECT_EQ(3, [pager segmentCount]);
-
-  ReplaceTestModel(1);
-  EXPECT_EQ(1, [pager segmentCount]);
-}
-
-// Test that clicking the pager changes pages.
-TEST_F(AppListViewControllerTest, PagerChangingPage) {
-  NSSegmentedControl* pager = [app_list_view_controller_ pagerControl];
-  ReplaceTestModel(kItemsPerPage * 3);
-  EXPECT_EQ(3, [pager segmentCount]);
-
-  EXPECT_EQ(0, [pager selectedSegment]);
-  EXPECT_EQ(0u, [apps_grid_controller_ visiblePage]);
-  EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:0]);
-  EXPECT_EQ(0.0, [apps_grid_controller_ visiblePortionOfPage:1]);
-
-  // Emulate a click on the second segment to navigate to the second page.
-  [pager setSelectedSegment:1];
-  [[pager target] performSelector:[pager action]
-                       withObject:pager];
-
-  EXPECT_EQ(1u, [apps_grid_controller_ visiblePage]);
-  EXPECT_EQ(1, [pager selectedSegment]);
-  EXPECT_EQ(0.0, [apps_grid_controller_ visiblePortionOfPage:0]);
-  EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:1]);
-
-  // Replace with a single page model, and ensure we go back to the first page.
-  ReplaceTestModel(1);
-  EXPECT_EQ(0u, [apps_grid_controller_ visiblePage]);
-  EXPECT_EQ(0, [pager selectedSegment]);
-  EXPECT_EQ(1, [pager segmentCount]);
-  EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:0]);
-}
-
-}  // namespace test
-}  // namespace app_list