Introduce incognito preference settings.

chrome/test/testing_pref_service.cc

 // 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.
 
 #include "chrome/test/testing_pref_service.h"
 
+#include "chrome/browser/extensions/extension_pref_store.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
 #include "chrome/browser/prefs/command_line_pref_store.h"
 #include "chrome/browser/prefs/pref_notifier.h"
 #include "chrome/browser/prefs/pref_value_store.h"
 #include "chrome/browser/prefs/testing_pref_store.h"
 
 // TODO(pamg): Instantiate no PrefStores by default. Allow callers to specify
 // which they want, and expand usage of this class to more unit tests.
-TestingPrefService::TestingPrefService()
-    : PrefService(
-        managed_platform_prefs_ = new TestingPrefStore(),
-        device_management_prefs_ = new TestingPrefStore(),
-        NULL,
-        NULL,
-        user_prefs_ = new TestingPrefStore(),
-        NULL,
-        NULL) {
+
+// We assign to managed_platform_prefs_weak_ because managed_platform_prefs_
+// and friends are not constructed yet, at the time PrefService is being
+// constructed.
+TestingPrefService::TestingPrefService(
+    scoped_refptr<TestingPrefStore> managed_platform_prefs,
+    scoped_refptr<TestingPrefStore> device_management_prefs,
+    scoped_refptr<ExtensionPrefStore> extension_prefs,
+    scoped_refptr<TestingPrefStore> user_prefs)
+    : PrefService(managed_platform_prefs,
+                  device_management_prefs,
+                  extension_prefs,
+                  NULL,
+                  user_prefs,
+                  NULL,
+                  NULL),
+      managed_platform_prefs_(managed_platform_prefs),
+      device_management_prefs_(device_management_prefs),
+      extension_prefs_(extension_prefs),
+      user_prefs_(user_prefs) {
+}
+
+TestingPrefService::~TestingPrefService() {
+}
+
+// static
+TestingPrefService* TestingPrefService::CreateTestingPrefService() {
+  return new TestingPrefService(
+      new TestingPrefStore(),
+      new TestingPrefStore(),
+      new ExtensionPrefStore(),
+      new TestingPrefStore());
 }
 
 const Value* TestingPrefService::GetManagedPref(const char* path) const {
   return GetPref(managed_platform_prefs_, path);
 }
 
 void TestingPrefService::SetManagedPref(const char* path, Value* value) {
   SetPref(managed_platform_prefs_, path, value);
 }
 
 void TestingPrefService::RemoveManagedPref(const char* path) {
   RemovePref(managed_platform_prefs_, path);
 }
 
 const Value* TestingPrefService::GetUserPref(const char* path) const {
   return GetPref(user_prefs_, path);
 }
 
 void TestingPrefService::SetUserPref(const char* path, Value* value) {
   SetPref(user_prefs_, path, value);
 }
 
 void TestingPrefService::RemoveUserPref(const char* path) {
   RemovePref(user_prefs_, path);
 }
 
-const Value* TestingPrefService::GetPref(TestingPrefStore* pref_store,
-                                         const char* path) const {
+const Value* TestingPrefService::GetPref(
+    scoped_refptr<TestingPrefStore> pref_store,
+    const char* path) const {
   Value* res;
   return pref_store->GetValue(path, &res) == PrefStore::READ_OK ? res : NULL;
 }
 
-void TestingPrefService::SetPref(TestingPrefStore* pref_store,
+void TestingPrefService::SetPref(scoped_refptr<TestingPrefStore> pref_store,
                                  const char* path,
                                  Value* value) {
   pref_store->SetValue(path, value);
 }
 
-void TestingPrefService::RemovePref(TestingPrefStore* pref_store,
+void TestingPrefService::RemovePref(scoped_refptr<TestingPrefStore> pref_store,
                                     const char* path) {
   pref_store->RemoveValue(path);
 }
+
+scoped_refptr<ExtensionPrefStore> TestingPrefService::GetExtensionPrefs() {
+  return extension_prefs_;
+}