Stop passing raw pointers to base::Value API in c/b/chromeos and c/b/extensions

chrome/browser/extensions/activity_log/counting_policy_unittest.cc

Index: chrome/browser/extensions/activity_log/counting_policy_unittest.cc
diff --git a/chrome/browser/extensions/activity_log/counting_policy_unittest.cc b/chrome/browser/extensions/activity_log/counting_policy_unittest.cc
index cad7e143e8b8938a695fe04665cbfce8d0a181e8..37945d88a1022df75f5b560d30c52e639209fc13 100644
--- a/chrome/browser/extensions/activity_log/counting_policy_unittest.cc
+++ b/chrome/browser/extensions/activity_log/counting_policy_unittest.cc
@@ -433,8 +433,8 @@ TEST_F(CountingPolicyTest, LogWithStrippedArguments) {
   extension_service_->AddExtension(extension.get());
 
   std::unique_ptr<base::ListValue> args(new base::ListValue());
-  args->Set(0, new base::Value("hello"));
-  args->Set(1, new base::Value("world"));
+  args->Set(0, base::MakeUnique<base::Value>("hello"));
+  args->Set(1, base::MakeUnique<base::Value>("world"));
   scoped_refptr<Action> action = new Action(extension->id(),
                                             base::Time::Now(),
                                             Action::ACTION_API_CALL,