Move TestingPrefService to use unique_ptr<Value>

chrome/browser/chromeos/policy/auto_enrollment_client_unittest.cc

Index: chrome/browser/chromeos/policy/auto_enrollment_client_unittest.cc
diff --git a/chrome/browser/chromeos/policy/auto_enrollment_client_unittest.cc b/chrome/browser/chromeos/policy/auto_enrollment_client_unittest.cc
index 47d4a46b6cf52314cf025036cd992b8956d21d79..5ddfe5c4ae05bb2de8e0094b45be2c755cfad3b1 100644
--- a/chrome/browser/chromeos/policy/auto_enrollment_client_unittest.cc
+++ b/chrome/browser/chromeos/policy/auto_enrollment_client_unittest.cc
@@ -9,6 +9,7 @@
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
@@ -426,9 +427,10 @@ TEST_F(AutoEnrollmentClientTest, ReuseCachedDecision) {
   EXPECT_CALL(*service_,
               CreateJob(DeviceManagementRequestJob::TYPE_AUTO_ENROLLMENT, _))
       .Times(0);
-  local_state_->SetUserPref(prefs::kShouldAutoEnroll, new base::Value(true));
+  local_state_->SetUserPref(prefs::kShouldAutoEnroll,
+                            base::MakeUnique<base::Value>(true));
   local_state_->SetUserPref(prefs::kAutoEnrollmentPowerLimit,
-                            new base::Value(8));
+                            base::MakeUnique<base::Value>(8));
 
   // Note that device state will be retrieved every time, regardless of any
   // cached information. This is intentional, the idea is that device state on
@@ -446,9 +448,10 @@ TEST_F(AutoEnrollmentClientTest, ReuseCachedDecision) {
 }
 
 TEST_F(AutoEnrollmentClientTest, RetryIfPowerLargerThanCached) {
-  local_state_->SetUserPref(prefs::kShouldAutoEnroll, new base::Value(false));
+  local_state_->SetUserPref(prefs::kShouldAutoEnroll,
+                            base::MakeUnique<base::Value>(false));
   local_state_->SetUserPref(prefs::kAutoEnrollmentPowerLimit,
-                            new base::Value(8));
+                            base::MakeUnique<base::Value>(8));
   CreateClient(kStateKey, 5, 10);
   ServerWillReply(-1, true, true);
   ServerWillSendState(