Convert //chrome from scoped_ptr to std::unique_ptr

chrome/utility/image_writer/image_writer_unittest.cc

 // Copyright 2014 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 <stdint.h>
 #include <string.h>
 
 #include <string>
 
 #include "base/files/file_util.h"
@@ skipping 22 matching lines @@
   void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &image_path_));
     ASSERT_TRUE(
         base::CreateTemporaryFileInDir(temp_dir_.path(), &device_path_));
   }
 
   void TearDown() override {}
 
   void FillFile(const base::FilePath& path, int pattern) {
-    scoped_ptr<char[]> buffer(new char[kTestFileSize]);
+    std::unique_ptr<char[]> buffer(new char[kTestFileSize]);
     memset(buffer.get(), pattern, kTestFileSize);
 
     ASSERT_TRUE(base::WriteFile(path, buffer.get(), kTestFileSize));
   }
 
   void FillDefault(const base::FilePath& path) { FillFile(path, kTestPattern); }
 
   base::FilePath image_path_;
   base::FilePath device_path_;
 
@@ skipping 170 matching lines @@
   EXPECT_CALL(mock_handler, SendFailed(_)).Times(0);
 
   FillDefault(image_path_);
 
   image_writer.Write();
 
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace image_writer