Remove LauncherItemController::Launch, cleanup.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl_unittest.cc

 // 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 "chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 243 matching lines @@
 // Test implementation of a V2 app launcher item controller.
 class TestV2AppLauncherItemController : public LauncherItemController {
  public:
   TestV2AppLauncherItemController(const std::string& app_id,
                                   ChromeLauncherController* controller)
       : LauncherItemController(app_id, std::string(), controller) {}
 
   ~TestV2AppLauncherItemController() override {}
 
   // Override for LauncherItemController:
-  void Launch(ash::LaunchSource source, int event_flags) override {}
   ash::ShelfItemDelegate::PerformedAction Activate(
       ash::LaunchSource source) override {
     return kExistingWindowActivated;
   }
   ash::ShelfItemDelegate::PerformedAction ItemSelected(
       const ui::Event& event) override {
     return kExistingWindowActivated;
   }
   ash::ShelfAppMenuItemList GetAppMenuItems(int event_flags) override {
     ash::ShelfAppMenuItemList items;
@@ skipping 3938 matching lines @@
   EXPECT_EQ(ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
             shelf_controller->auto_hide());
   EXPECT_EQ(2u, shelf_controller->auto_hide_change_count());
 
   PrefService* prefs = profile()->GetTestingPrefService();
   EXPECT_EQ("Left", prefs->GetString(prefs::kShelfAlignmentLocal));
   EXPECT_EQ("Left", prefs->GetString(prefs::kShelfAlignment));
   EXPECT_EQ("Always", prefs->GetString(prefs::kShelfAutoHideBehaviorLocal));
   EXPECT_EQ("Always", prefs->GetString(prefs::kShelfAutoHideBehavior));
 }