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

extensions/browser/api/document_scan/document_scan_interface_chromeos_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 "extensions/browser/api/document_scan/document_scan_interface_chromeos.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 23 matching lines @@
                         DocumentScanInterface::ScannerDescription>& scanners,
                     const std::string& error));
 
   MOCK_METHOD3(OnScanCompleted,
                void(const std::string& scanned_image,
                     const std::string& mime_type,
                     const std::string& error));
 
  protected:
   DocumentScanInterfaceChromeos scan_interface_;
-  scoped_ptr<chromeos::MockLorgnetteManagerClient> client_;
+  std::unique_ptr<chromeos::MockLorgnetteManagerClient> client_;
 };
 
 ACTION_P2(InvokeListScannersCallback, scanner_list, error) {
   ::std::tr1::get<0>(args).Run(scanner_list, error);
 }
 
 ACTION_P2(InvokeScanCallback, succeeded, image_data) {
   ::std::tr1::get<2>(args).Run(succeeded, image_data);
 }
 
@@ skipping 63 matching lines @@
   EXPECT_CALL(*this, OnScanCompleted(kExpectedImageData, "image/png", ""));
   scan_interface_.Scan(
       kScannerName, DocumentScanInterface::kScanModeColor, kResolution,
       base::Bind(&DocumentScanInterfaceChromeosTest::OnScanCompleted,
                  base::Unretained(this)));
 }
 
 }  // namespace api
 
 }  // namespace extensions