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/default_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.
+
+TestingPrefServiceBase::TestingPrefServiceBase(
+    TestingPrefStore* managed_platform_prefs,
+    TestingPrefStore* device_management_prefs,
+    ExtensionPrefStore* extension_prefs,
+    TestingPrefStore* user_prefs)
+    : PrefService(managed_platform_prefs,
+                  device_management_prefs,
+                  extension_prefs,
+                  NULL,
+                  user_prefs,
+                  NULL,
+                  new DefaultPrefStore(),
+                  NULL,
+                  true),
+      managed_platform_prefs_(managed_platform_prefs),
+      device_management_prefs_(device_management_prefs),
+      extension_prefs_(extension_prefs),
+      user_prefs_(user_prefs) {
+}
+
+TestingPrefServiceBase::~TestingPrefServiceBase() {
+}
+
 TestingPrefService::TestingPrefService()
-    : PrefService(
-        managed_platform_prefs_ = new TestingPrefStore(),
-        device_management_prefs_ = new TestingPrefStore(),
-        NULL,
-        NULL,
-        user_prefs_ = new TestingPrefStore(),
-        NULL,
-        NULL) {
+    : TestingPrefServiceBase(new TestingPrefStore(),
+                             new TestingPrefStore(),
+                             new ExtensionPrefStore(),
+                             new TestingPrefStore()) {
+}
+
+TestingPrefService::~TestingPrefService() {
 }
 
 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);
 }
 
@@ skipping 22 matching lines @@
 void TestingPrefService::SetPref(TestingPrefStore* pref_store,
                                  const char* path,
                                  Value* value) {
   pref_store->SetValue(path, value);
 }
 
 void TestingPrefService::RemovePref(TestingPrefStore* pref_store,
                                     const char* path) {
   pref_store->RemoveValue(path);
 }
+
+ExtensionPrefStore* TestingPrefService::GetExtensionPrefs() {
+  return extension_prefs_.get();
+}