Re-write many calls to WrapUnique() with MakeUnique()

blimp/net/blimp_message_multiplexer.cc

Index: blimp/net/blimp_message_multiplexer.cc
diff --git a/blimp/net/blimp_message_multiplexer.cc b/blimp/net/blimp_message_multiplexer.cc
index 1a15cab6b0414c1739c3d7643541c10c5c110259..d3b9923d40e0d836d7900b63906803564b7b612d 100644
--- a/blimp/net/blimp_message_multiplexer.cc
+++ b/blimp/net/blimp_message_multiplexer.cc
@@ -55,7 +55,7 @@ BlimpMessageMultiplexer::~BlimpMessageMultiplexer() {}
 
 std::unique_ptr<BlimpMessageProcessor> BlimpMessageMultiplexer::CreateSender(
     BlimpMessage::FeatureCase feature_case) {
-  return base::WrapUnique(
-      new MultiplexedSender(output_weak_factory_.GetWeakPtr(), feature_case));
+  return base::MakeUnique<MultiplexedSender>(output_weak_factory_.GetWeakPtr(),
+                                             feature_case);
 }
 }  // namespace blimp