Add an ExtensionPrefStore, layered between the user prefs nad the managed pre...

chrome/browser/managed_prefs_banner_base_unittest.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/browser/dummy_pref_store.h"
 #include "chrome/browser/managed_prefs_banner_base.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 // Tests whether managed preferences banner base functionality correctly
 // determines banner visiblity.
 class ManagedPrefsBannerBaseTest : public testing::Test {
  public:
   virtual void SetUp() {
     managed_prefs_ = new DummyPrefStore;
+    extension_prefs_ = new DummyPrefStore;
     user_prefs_ = new DummyPrefStore;
     default_prefs_ = new DummyPrefStore;
-    pref_service_.reset(new PrefService(
-        new PrefValueStore(managed_prefs_, user_prefs_, default_prefs_)));
+    pref_service_.reset(new PrefService(new PrefValueStore(managed_prefs_,
+                                                           extension_prefs_,
+                                                           user_prefs_,
+                                                           default_prefs_)));
     pref_service_->RegisterStringPref(prefs::kHomePage, "http://google.com");
     pref_service_->RegisterBooleanPref(prefs::kHomePageIsNewTabPage, false);
   }
 
   scoped_ptr<PrefService> pref_service_;
   DummyPrefStore* managed_prefs_;
+  DummyPrefStore* extension_prefs_;
   DummyPrefStore* user_prefs_;
   DummyPrefStore* default_prefs_;
 };
 
 static const wchar_t* managed_prefs[] = {
   prefs::kHomePage
 };
 
 TEST_F(ManagedPrefsBannerBaseTest, VisibilityTest) {
   ManagedPrefsBannerBase banner(pref_service_.get(), managed_prefs,
@@ skipping 19 matching lines @@
 };
 
 TEST_F(ManagedPrefsBannerBaseTest, NotificationTest) {
   ManagedPrefsBannerBaseMock banner(pref_service_.get(), managed_prefs,
                                     arraysize(managed_prefs));
   EXPECT_CALL(banner, OnUpdateVisibility()).Times(0);
   pref_service_->SetBoolean(prefs::kHomePageIsNewTabPage, true);
   EXPECT_CALL(banner, OnUpdateVisibility()).Times(1);
   pref_service_->SetString(prefs::kHomePage, "http://foo.com");
 }