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

extensions/browser/content_hash_reader.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_CONTENT_HASH_READER_H_
 #define EXTENSIONS_BROWSER_CONTENT_HASH_READER_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/version.h"
 #include "extensions/browser/content_verifier_delegate.h"
 
 namespace extensions {
 
 class VerifiedContents;
 
 // This class creates an object that will read expected hashes that may have
 // been fetched/calculated by the ContentHashFetcher, and vends them out for
 // use in ContentVerifyJob's.
@@ skipping 50 matching lines @@
   InitStatus status_;
 
   bool content_exists_;
 
   bool have_verified_contents_;
   bool have_computed_hashes_;
 
   // The blocksize used for generating the hashes.
   int block_size_;
 
-  scoped_ptr<VerifiedContents> verified_contents_;
+  std::unique_ptr<VerifiedContents> verified_contents_;
 
   std::vector<std::string> hashes_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentHashReader);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_CONTENT_HASH_READER_H_