Return a unique_ptr from BinaryValue::CreateWithCopiedBuffer.

extensions/browser/api/web_request/upload_data_presenter.h

 // Copyright (c) 2012 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.
 
 #ifndef EXTENSIONS_BROWSER_API_WEB_REQUEST_UPLOAD_DATA_PRESENTER_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_UPLOAD_DATA_PRESENTER_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 17 matching lines @@
 class URLRequest;
 class UploadElementReader;
 }
 
 namespace extensions {
 
 namespace subtle {
 
 // Helpers shared with unit-tests.
 
-// Appends a dictionary {'key': 'value'} to |list|. |list| becomes the owner of
-// |value|.
+// Appends a dictionary {'key': 'value'} to |list|.
 void AppendKeyValuePair(const char* key,
-                        base::Value* value,
+                        std::unique_ptr<base::Value> value,
                         base::ListValue* list);
 
 }  // namespace subtle
 
 FORWARD_DECLARE_TEST(WebRequestUploadDataPresenterTest, RawData);
 
 // UploadDataPresenter is an interface for objects capable to consume a series
 // of UploadElementReader and represent this data as a base:Value.
 //
 // Workflow for objects implementing this interface:
@@ skipping 71 matching lines @@
   std::unique_ptr<FormDataParser> parser_;
   bool success_;
   std::unique_ptr<base::DictionaryValue> dictionary_;
 
   DISALLOW_COPY_AND_ASSIGN(ParsedDataPresenter);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_UPLOAD_DATA_PRESENTER_H_