Move TestingPrefService to use unique_ptr<Value>

chrome/browser/chromeos/session_length_limiter_unittest.cc

Index: chrome/browser/chromeos/session_length_limiter_unittest.cc
diff --git a/chrome/browser/chromeos/session_length_limiter_unittest.cc b/chrome/browser/chromeos/session_length_limiter_unittest.cc
index 43a7640cc38e84b7dde1ffd7d10105483b3a78f3..e9645316e26c6d21f94573418d2e6fe1036892c5 100644
--- a/chrome/browser/chromeos/session_length_limiter_unittest.cc
+++ b/chrome/browser/chromeos/session_length_limiter_unittest.cc
@@ -7,6 +7,7 @@
 #include <memory>
 
 #include "base/compiler_specific.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/test/test_mock_time_task_runner.h"
@@ -103,7 +104,7 @@ void SessionLengthLimiterTest::TearDown() {
 void SessionLengthLimiterTest::SetSessionUserActivitySeenPref(
     bool user_activity_seen) {
   local_state_.SetUserPref(prefs::kSessionUserActivitySeen,
-                           new base::Value(user_activity_seen));
+                           base::MakeUnique<base::Value>(user_activity_seen));
 }
 
 void SessionLengthLimiterTest::ClearSessionUserActivitySeenPref() {
@@ -122,7 +123,7 @@ bool SessionLengthLimiterTest::GetSessionUserActivitySeenPref() {
 void SessionLengthLimiterTest::SetSessionStartTimePref(
     const base::TimeTicks& session_start_time) {
   local_state_.SetUserPref(prefs::kSessionStartTime,
-                           new base::Value(base::Int64ToString(
+                           base::MakeUnique<base::Value>(base::Int64ToString(
                                session_start_time.ToInternalValue())));
 }
 
@@ -142,9 +143,9 @@ base::TimeTicks SessionLengthLimiterTest::GetSessionStartTimePref() {
 
 void SessionLengthLimiterTest::SetSessionLengthLimitPref(
     const base::TimeDelta& session_length_limit) {
-  local_state_.SetUserPref(
-      prefs::kSessionLengthLimit,
-      new base::Value(static_cast<int>(session_length_limit.InMilliseconds())));
+  local_state_.SetUserPref(prefs::kSessionLengthLimit,
+                           base::MakeUnique<base::Value>(static_cast<int>(
+                               session_length_limit.InMilliseconds())));
   UpdateSessionStartTimeIfWaitingForUserActivity();
 }
 
@@ -156,8 +157,9 @@ void SessionLengthLimiterTest::ClearSessionLengthLimitPref() {
 void SessionLengthLimiterTest::SetWaitForInitialUserActivityPref(
     bool wait_for_initial_user_activity) {
   UpdateSessionStartTimeIfWaitingForUserActivity();
-  local_state_.SetUserPref(prefs::kSessionWaitForInitialUserActivity,
-                           new base::Value(wait_for_initial_user_activity));
+  local_state_.SetUserPref(
+      prefs::kSessionWaitForInitialUserActivity,
+      base::MakeUnique<base::Value>(wait_for_initial_user_activity));
 }
 
 void SessionLengthLimiterTest::SimulateUserActivity() {