base: Add three helper functions to Values API.

chrome/browser/prefs/pref_set_observer_unittest.cc

Index: chrome/browser/prefs/pref_set_observer_unittest.cc
diff --git a/chrome/browser/prefs/pref_set_observer_unittest.cc b/chrome/browser/prefs/pref_set_observer_unittest.cc
index c3f7a1265cd8419ad3e7ca7a1967afd66759a91e..1d5a4bf601e3e91fa5f2c9b02206a450c38ea860 100644
--- a/chrome/browser/prefs/pref_set_observer_unittest.cc
+++ b/chrome/browser/prefs/pref_set_observer_unittest.cc
@@ -53,7 +53,7 @@ TEST_F(PrefSetObserverTest, IsManaged) {
                                 Value::CreateStringValue("http://crbug.com"));
   EXPECT_TRUE(pref_set->IsManaged());
   pref_service_->SetManagedPref(prefs::kHomePageIsNewTabPage,
-                                Value::CreateBooleanValue(true));
+                                base::TrueValue());
   EXPECT_TRUE(pref_set->IsManaged());
   pref_service_->RemoveManagedPref(prefs::kHomePage);
   EXPECT_TRUE(pref_set->IsManaged());
@@ -85,8 +85,7 @@ TEST_F(PrefSetObserverTest, Observe) {
               Observe(int(chrome::NOTIFICATION_PREF_CHANGED),
                       Source<PrefService>(pref_service_.get()),
                       PrefNameDetails(prefs::kHomePageIsNewTabPage)));
-  pref_service_->SetUserPref(prefs::kHomePageIsNewTabPage,
-                             Value::CreateBooleanValue(true));
+  pref_service_->SetUserPref(prefs::kHomePageIsNewTabPage, base::TrueValue());
   Mock::VerifyAndClearExpectations(&observer);
 
   EXPECT_CALL(observer, Observe(_, _, _)).Times(0);