Move more files from chrome/test to chrome/test/base, part #5

chrome/test/testing_pref_service.h

-// Copyright (c) 2011 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_TEST_TESTING_PREF_SERVICE_H_
-#define CHROME_TEST_TESTING_PREF_SERVICE_H_
-#pragma once
-
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/prefs/pref_service.h"
-
-class TestingBrowserProcess;
-class TestingPrefStore;
-
-// A PrefService subclass for testing. It operates totally in memory and
-// provides additional API for manipulating preferences at the different levels
-// (managed, extension, user) conveniently.
-class TestingPrefServiceBase : public PrefService {
- public:
-  virtual ~TestingPrefServiceBase();
-
-  // Read the value of a preference from the managed layer. Returns NULL if the
-  // preference is not defined at the managed layer.
-  const Value* GetManagedPref(const char* path) const;
-
-  // Set a preference on the managed layer and fire observers if the preference
-  // changed. Assumes ownership of |value|.
-  void SetManagedPref(const char* path, Value* value);
-
-  // Clear the preference on the managed layer and fire observers if the
-  // preference has been defined previously.
-  void RemoveManagedPref(const char* path);
-
-  // Similar to the above, but for user preferences.
-  const Value* GetUserPref(const char* path) const;
-  void SetUserPref(const char* path, Value* value);
-  void RemoveUserPref(const char* path);
-
-  // Similar to the above, but for recommended policy preferences.
-  const Value* GetRecommendedPref(const char* path) const;
-  void SetRecommendedPref(const char* path, Value* value);
-  void RemoveRecommendedPref(const char* path);
-
- protected:
-  TestingPrefServiceBase(
-      TestingPrefStore* managed_platform_prefs,
-      TestingPrefStore* user_prefs,
-      TestingPrefStore* recommended_platform_prefs);
-
- private:
-  // Reads the value of the preference indicated by |path| from |pref_store|.
-  // Returns NULL if the preference was not found.
-  const Value* GetPref(TestingPrefStore* pref_store, const char* path) const;
-
-  // Sets the value for |path| in |pref_store|.
-  void SetPref(TestingPrefStore* pref_store, const char* path, Value* value);
-
-  // Removes the preference identified by |path| from |pref_store|.
-  void RemovePref(TestingPrefStore* pref_store, const char* path);
-
-  // Pointers to the pref stores our value store uses.
-  scoped_refptr<TestingPrefStore> managed_platform_prefs_;
-  scoped_refptr<TestingPrefStore> user_prefs_;
-  scoped_refptr<TestingPrefStore> recommended_platform_prefs_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestingPrefServiceBase);
-};
-
-// Class for simplified construction of TestPrefServiceBase objects.
-class TestingPrefService : public TestingPrefServiceBase {
- public:
-  TestingPrefService();
-  virtual ~TestingPrefService();
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TestingPrefService);
-};
-
-// Helper class to temporarily set up a |local_state| in the global
-// TestingBrowserProcess (for most unit tests it's NULL).
-class ScopedTestingLocalState {
- public:
-  explicit ScopedTestingLocalState(TestingBrowserProcess* browser_process);
-  ~ScopedTestingLocalState();
-
-  TestingPrefService* Get() {
-    return &local_state_;
-  }
-
- private:
-  TestingBrowserProcess* browser_process_;
-  TestingPrefService local_state_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedTestingLocalState);
-};
-
-#endif  // CHROME_TEST_TESTING_PREF_SERVICE_H_