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

chrome/browser/extensions/api/declarative_content/declarative_content_css_condition_tracker.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_DECLARATIVE_CONTENT_CSS_CONDITION_TRACKER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DECLARATIVE_CONTENT_CSS_CONDITION_TRACKER_H_
 
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/api/declarative_content/content_predicate_evaluator.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace base {
 class Value;
 }
 
 namespace content {
 struct FrameNavigateParams;
 struct LoadCommittedDetails;
 class RenderProcessHost;
 class WebContents;
 }
 
 namespace extensions {
 
 class Extension;
 
 // Tests whether all the specified CSS selectors match on the page.
 class DeclarativeContentCssPredicate : public ContentPredicate {
  public:
   ~DeclarativeContentCssPredicate() override;
 
   const std::vector<std::string>& css_selectors() const {
     return css_selectors_;
   }
 
-  static scoped_ptr<DeclarativeContentCssPredicate> Create(
+  static std::unique_ptr<DeclarativeContentCssPredicate> Create(
       ContentPredicateEvaluator* evaluator,
       const base::Value& value,
       std::string* error);
 
   // ContentPredicate:
   ContentPredicateEvaluator* GetEvaluator() const override;
 
  private:
   DeclarativeContentCssPredicate(ContentPredicateEvaluator* evaluator,
                                  const std::vector<std::string>& css_selectors);
 
   // Weak.
   ContentPredicateEvaluator* const evaluator_;
   std::vector<std::string> css_selectors_;
 
   DISALLOW_COPY_AND_ASSIGN(DeclarativeContentCssPredicate);
 };
 
 // Supports watching of CSS selectors to across tab contents in a browser
 // context, and querying for the matching CSS selectors for a context.
 class DeclarativeContentCssConditionTracker
     : public ContentPredicateEvaluator,
       public content::NotificationObserver {
  public:
   explicit DeclarativeContentCssConditionTracker(Delegate* delegate);
   ~DeclarativeContentCssConditionTracker() override;
 
   // ContentPredicateEvaluator:
   std::string GetPredicateApiAttributeName() const override;
-  scoped_ptr<const ContentPredicate> CreatePredicate(
+  std::unique_ptr<const ContentPredicate> CreatePredicate(
       const Extension* extension,
       const base::Value& value,
       std::string* error) override;
   void TrackPredicates(
       const std::map<const void*, std::vector<const ContentPredicate*>>&
           predicates) override;
   void StopTrackingPredicates(
       const std::vector<const void*>& predicate_groups) override;
   void TrackForWebContents(content::WebContents* contents) override;
   void OnWebContentsNavigation(
@@ skipping 79 matching lines @@
 
   // Manages our notification registrations.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(DeclarativeContentCssConditionTracker);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DECLARATIVE_CONTENT_CSS_CONDITION_TRACKER_H_