Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/file_system_provider/operations/write_file.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 "chrome/browser/chromeos/file_system_provider/operations/write_file.h"
 
 #include <utility>
 
 #include "base/trace_event/trace_event.h"
 #include "base/values.h"
@@ skipping 30 matching lines @@
 
   WriteFileRequestedOptions options;
   options.file_system_id = file_system_info_.file_system_id();
   options.request_id = request_id;
   options.open_request_id = file_handle_;
   options.offset = offset_;
   // Length is not passed directly since it can be accessed via data.byteLength.
 
   // Set the data directly on base::Value() to avoid an extra string copy.
   DCHECK(buffer_.get());
-  scoped_ptr<base::DictionaryValue> options_as_value = options.ToValue();
+  std::unique_ptr<base::DictionaryValue> options_as_value = options.ToValue();
   options_as_value->Set(
       "data",
       base::BinaryValue::CreateWithCopiedBuffer(buffer_->data(), length_));
 
-  scoped_ptr<base::ListValue> event_args(new base::ListValue);
+  std::unique_ptr<base::ListValue> event_args(new base::ListValue);
   event_args->Append(options_as_value.release());
 
   return SendEvent(
       request_id,
       extensions::events::FILE_SYSTEM_PROVIDER_ON_WRITE_FILE_REQUESTED,
       extensions::api::file_system_provider::OnWriteFileRequested::kEventName,
       std::move(event_args));
 }
 
 void WriteFile::OnSuccess(int /* request_id */,
-                          scoped_ptr<RequestValue> /* result */,
+                          std::unique_ptr<RequestValue> /* result */,
                           bool /* has_more */) {
   TRACE_EVENT0("file_system_provider", "WriteFile::OnSuccess");
   callback_.Run(base::File::FILE_OK);
 }
 
 void WriteFile::OnError(int /* request_id */,
-                        scoped_ptr<RequestValue> /* result */,
+                        std::unique_ptr<RequestValue> /* result */,
                         base::File::Error error) {
   TRACE_EVENT0("file_system_provider", "WriteFile::OnError");
   callback_.Run(error);
 }
 
 }  // namespace operations
 }  // namespace file_system_provider
 }  // namespace chromeos