Allow ProxyConfigService to report "no configuration set"

chrome/test/testing_pref_service.cc

 // 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.
 
 #include "chrome/test/testing_pref_service.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"
 
 TestingPrefServiceBase::TestingPrefServiceBase(
     TestingPrefStore* managed_platform_prefs,
-    TestingPrefStore* user_prefs)
+    TestingPrefStore* user_prefs,
+    TestingPrefStore* recommended_platform_prefs)
     : PrefService(managed_platform_prefs,
                   NULL,
                   NULL,
                   NULL,
                   user_prefs,
-                  NULL,
+                  recommended_platform_prefs,
                   NULL,
                   new DefaultPrefStore()),
       managed_platform_prefs_(managed_platform_prefs),
-      user_prefs_(user_prefs) {
+      user_prefs_(user_prefs),
+      recommended_platform_prefs_(recommended_platform_prefs) {
 }
 
 TestingPrefServiceBase::~TestingPrefServiceBase() {
 }
 
 const Value* TestingPrefServiceBase::GetManagedPref(const char* path) const {
   return GetPref(managed_platform_prefs_, path);
 }
 
 void TestingPrefServiceBase::SetManagedPref(const char* path, Value* value) {
   SetPref(managed_platform_prefs_, path, value);
 }
 
 void TestingPrefServiceBase::RemoveManagedPref(const char* path) {
   RemovePref(managed_platform_prefs_, path);
 }
 
 const Value* TestingPrefServiceBase::GetUserPref(const char* path) const {
   return GetPref(user_prefs_, path);
 }
 
 void TestingPrefServiceBase::SetUserPref(const char* path, Value* value) {
   SetPref(user_prefs_, path, value);
 }
 
 void TestingPrefServiceBase::RemoveUserPref(const char* path) {
   RemovePref(user_prefs_, path);
 }
 
+const Value* TestingPrefServiceBase::GetRecommendedPref(
+    const char* path) const {
+  return GetPref(recommended_platform_prefs_, path);
+}
+
+void TestingPrefServiceBase::SetRecommendedPref(
+    const char* path, Value* value) {
+  SetPref(recommended_platform_prefs_, path, value);
+}
+
+void TestingPrefServiceBase::RemoveRecommendedPref(const char* path) {
+  RemovePref(recommended_platform_prefs_, path);
+}
+
 const Value* TestingPrefServiceBase::GetPref(TestingPrefStore* pref_store,
                                              const char* path) const {
   const Value* res;
   return pref_store->GetValue(path, &res) == PrefStore::READ_OK ? res : NULL;
 }
 
 void TestingPrefServiceBase::SetPref(TestingPrefStore* pref_store,
                                      const char* path,
                                      Value* value) {
   pref_store->SetValue(path, value);
 }
 
 void TestingPrefServiceBase::RemovePref(TestingPrefStore* pref_store,
                                         const char* path) {
   pref_store->RemoveValue(path);
 }
 
 TestingPrefService::TestingPrefService()
     : TestingPrefServiceBase(new TestingPrefStore(),
+                             new TestingPrefStore(),
                              new TestingPrefStore()) {
 }
 
 TestingPrefService::~TestingPrefService() {
 }