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

blimp/net/blimp_message_checkpointer_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "blimp/net/blimp_message_checkpointer.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/test/test_mock_time_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 33 matching lines @@
     std::unique_ptr<BlimpMessage> message(CreateBlimpMessage(&input));
     message->set_message_id(++message_id_);
     checkpointer_->ProcessMessage(
         std::move(message),
         base::Bind(&BlimpMessageCheckpointerTest::IncomingCompletionCallback,
                    base::Unretained(this)));
     return message_id_;
   }
 
   void SetUp() override {
-    checkpointer_ = base::WrapUnique(new BlimpMessageCheckpointer(
-        &incoming_processor_, &outgoing_processor_, &checkpoint_observer_));
+    checkpointer_ = base::MakeUnique<BlimpMessageCheckpointer>(
+        &incoming_processor_, &outgoing_processor_, &checkpoint_observer_);
   }
 
   MOCK_METHOD1(IncomingCompletionCallback, void(int));
 
  protected:
   // Used to verify timing-specific behaviours.
   scoped_refptr<base::TestMockTimeTaskRunner> runner_;
   base::ThreadTaskRunnerHandle runner_handle_;
 
   int64_t message_id_ = 0;
@@ skipping 96 matching lines @@
 
   // Simulate an incoming message.
   std::unique_ptr<BlimpMessage> ack_message = CreateCheckpointAckMessage(10);
   checkpointer_->ProcessMessage(
       std::move(ack_message),
       base::Bind(&BlimpMessageCheckpointerTest::IncomingCompletionCallback,
                  base::Unretained(this)));
 }
 
 }  // namespace blimp