Convert //extensions/browser/api from scoped_ptr to std::unique_ptr

extensions/browser/api/document_scan/document_scan_api.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_DOCUMENT_SCAN_DOCUMENT_SCAN_API_H_
 #define EXTENSIONS_BROWSER_API_DOCUMENT_SCAN_DOCUMENT_SCAN_API_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "extensions/browser/api/async_api_function.h"
 #include "extensions/browser/api/document_scan/document_scan_interface.h"
 #include "extensions/common/api/document_scan.h"
 
 namespace extensions {
 
 namespace api {
 
 class DocumentScanScanFunction : public AsyncApiFunction {
  public:
@@ skipping 12 matching lines @@
   friend class DocumentScanScanFunctionTest;
 
   void OnScannerListReceived(
       const std::vector<DocumentScanInterface::ScannerDescription>&
           scanner_descriptions,
       const std::string& error);
   void OnResultsReceived(const std::string& scanned_image,
                          const std::string& mime_type,
                          const std::string& error);
 
-  scoped_ptr<document_scan::Scan::Params> params_;
-  scoped_ptr<DocumentScanInterface> document_scan_interface_;
+  std::unique_ptr<document_scan::Scan::Params> params_;
+  std::unique_ptr<DocumentScanInterface> document_scan_interface_;
 
   DISALLOW_COPY_AND_ASSIGN(DocumentScanScanFunction);
 };
 
 }  // namespace api
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_DOCUMENT_SCAN_DOCUMENT_SCAN_API_H_