unique_ptr_migration: clean up references to scoped_ptr as of r389721

remoting/host/linux/certificate_watcher_unittest.cc

 // Copyright 2016 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 "remoting/host/linux/certificate_watcher.h"
 
 #include <cstdlib>
+#include <memory>
 #include <string>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/run_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace remoting {
 
@@ skipping 65 matching lines @@
     std::string testWriteString = std::to_string(rand());
 
     base::WriteFile(watch_path_, testWriteString.c_str(),
                     testWriteString.length());
   }
 
   base::MessageLoopForIO message_loop_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   base::ScopedTempDir temp_dir_;
   base::FilePath watch_path_;
-  scoped_ptr<CertificateWatcher> watcher_;
+  std::unique_ptr<CertificateWatcher> watcher_;
   int restart_count_ = 0;
   base::TimeDelta loop_wait_ =
       base::TimeDelta::FromMilliseconds(kMessageLoopWaitMsecs);
   base::Closure quit_loop_closure_;
 
  private:
   const base::FilePath& CreateAndGetUniqueTempDir() {
     EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
     return temp_dir_.path();
   }
@@ skipping 33 matching lines @@
   EXPECT_EQ(0, restart_count_);
   Disconnect();
   RunAndWait();
   EXPECT_EQ(0, restart_count_);
   TouchFile();
   RunLoop();
   EXPECT_EQ(1, restart_count_);
 }
 
 } // namespace remoting