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

extensions/browser/api/printer_provider_internal/printer_provider_internal_api.h

 // Copyright 2015 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_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_H_
 #define EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 136 matching lines @@
   PrinterProviderInternalGetPrintDataFunction();
 
  protected:
   ~PrinterProviderInternalGetPrintDataFunction() override;
   ExtensionFunction::ResponseAction Run() override;
 
  private:
   void OnBlob(const std::string& type,
               int size,
               const scoped_refptr<base::RefCountedMemory>& data,
-              scoped_ptr<content::BlobHandle> blob);
+              std::unique_ptr<content::BlobHandle> blob);
   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.getPrintData",
                              PRINTERPROVIDERINTERNAL_GETPRINTDATA)
 
   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalGetPrintDataFunction);
 };
 
 class PrinterProviderInternalReportUsbPrinterInfoFunction
     : public UIThreadExtensionFunction {
  public:
   PrinterProviderInternalReportUsbPrinterInfoFunction();
 
  protected:
   ~PrinterProviderInternalReportUsbPrinterInfoFunction() override;
   ExtensionFunction::ResponseAction Run() override;
 
  private:
   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportUsbPrinterInfo",
                              PRINTERPROVIDERINTERNAL_REPORTUSBPRINTERINFO)
 
   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportUsbPrinterInfoFunction);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_H_