Add unit tests for AppListServiceImpl.

chrome/browser/profiles/profile_loader.h

-// 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.
-
-#ifndef CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_
-#define CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_
-
-#include "base/callback.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-
-namespace base {
-class FilePath;
-}
-
-class ProfileManager;
-
-// This class loads profiles asynchronously and calls the provided callback once
-// the profile is ready. Only the callback for the most recent load request is
-// called, and only if the load was successful.
-//
-// This is useful for loading profiles in response to user interaction where
-// only the latest requested profile is required.
-class ProfileLoader {
- public:
-  explicit ProfileLoader(ProfileManager* profile_manager);
-  ~ProfileLoader();
-
-  bool IsAnyProfileLoading() const;
-  void InvalidatePendingProfileLoads();
-  void LoadProfileInvalidatingOtherLoads(
-      const base::FilePath& profile_file_path,
-      base::Callback<void(Profile*)> callback);
-
- protected:
-  // These just call through to the ProfileManager.
-  // Virtual so they can be mocked out in tests.
-  virtual Profile* GetProfileByPath(const base::FilePath& path);
-  virtual void CreateProfileAsync(
-      const base::FilePath& profile_path,
-      const ProfileManager::CreateCallback& callback,
-      const string16& name,
-      const string16& icon_url,
-      const std::string& managed_user_id);
-
- private:
-  void OnProfileLoaded(int profile_load_sequence_id,
-                       base::Callback<void(Profile*)> callback,
-                       Profile* profile,
-                       Profile::CreateStatus status);
-
-  void IncrementPendingProfileLoads();
-  void DecrementPendingProfileLoads();
-
-  ProfileManager* profile_manager_;
-  int profile_load_sequence_id_;
-  int pending_profile_loads_;
-
-  base::WeakPtrFactory<ProfileLoader> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(ProfileLoader);
-};
-
-#endif  // CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_