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

chrome/browser/extensions/api/declarative_content/default_content_predicate_evaluators.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 CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DEFAULT_CONTENT_PREDICATE_EVALUATORS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DEFAULT_CONTENT_PREDICATE_EVALUATORS_H_
 
+#include <memory>
 #include <vector>
 
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/api/declarative_content/content_predicate_evaluator.h"
 
 namespace content {
 class BrowserContext;
 }  // namespace content
 
 namespace extensions {
 
-std::vector<scoped_ptr<ContentPredicateEvaluator>>
+std::vector<std::unique_ptr<ContentPredicateEvaluator>>
 CreateDefaultContentPredicateEvaluators(
     content::BrowserContext* browser_context,
     ContentPredicateEvaluator::Delegate* delegate);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DEFAULT_CONTENT_PREDICATE_EVALUATORS_H_