Move creation of the PrefStores into the PrefValueStore, to reduce the knowle...

chrome/test/testing_pref_service.h

 // Copyright (c) 2010 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 <chrome/browser/pref_service.h>
 
+class PrefStore;
+
 // 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 TestingPrefService : public PrefService {
  public:
+  // Subclass to allow directly setting PrefStores.
+  class TestingPrefValueStore : public PrefValueStore {
+   public:
+    TestingPrefValueStore(PrefStore* managed_prefs,
+                          PrefStore* extension_prefs,
+                          PrefStore* command_line_prefs,
+                          PrefStore* user_prefs,
+                          PrefStore* recommended_prefs);
+  };
+
   // Create an empty instance.
   TestingPrefService();
 
   // 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 wchar_t* path);
 
   // Set a preference on the managed layer and fire observers if the preference
   // changed. Assumes ownership of |value|.
   void SetManagedPref(const wchar_t* path, Value* value);
@@ skipping 17 matching lines @@
 
   // Removes the preference identified by |path| from |pref_store|.
   void RemovePref(PrefStore* pref_store, const wchar_t* path);
 
   // Pointers to the pref stores our value store uses.
   PrefStore* managed_prefs_;
   PrefStore* user_prefs_;
 };
 
 #endif  // CHROME_TEST_TESTING_PREF_SERVICE_H_