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

chrome/browser/extensions/api/settings_private/settings_private_delegate.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_SETTINGS_PRIVATE_SETTINGS_PRIVATE_DELEGATE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SETTINGS_PRIVATE_SETTINGS_PRIVATE_DELEGATE_H_
 
 #include <map>
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/api/settings_private/prefs_util.h"
 #include "chrome/common/extensions/api/settings_private.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "extensions/browser/extension_function.h"
 
 class Profile;
 
 namespace base {
 class Value;
 }
 
 namespace extensions {
 
 using TypedPrefMap = std::map<std::string, api::settings_private::PrefType>;
 
 // Manages all the pref service interactions.
 // Use SettingsPrivateDelegateFactory to create a SettingsPrivateDelegate
 // object.
 class SettingsPrivateDelegate : public KeyedService {
  public:
   explicit SettingsPrivateDelegate(Profile* profile);
   ~SettingsPrivateDelegate() override;
 
   // Sets the pref with the given name and value in the proper PrefService.
   virtual PrefsUtil::SetPrefResult SetPref(
       const std::string& name, const base::Value* value);
 
   // Gets the value of the pref with the given |name|.
-  virtual scoped_ptr<base::Value> GetPref(const std::string& name);
+  virtual std::unique_ptr<base::Value> GetPref(const std::string& name);
 
   // Gets the values of all whitelisted prefs.
-  virtual scoped_ptr<base::Value> GetAllPrefs();
+  virtual std::unique_ptr<base::Value> GetAllPrefs();
 
   // Gets the value.
-  virtual scoped_ptr<base::Value> GetDefaultZoomPercent();
+  virtual std::unique_ptr<base::Value> GetDefaultZoomPercent();
 
   // Sets the pref.
   virtual PrefsUtil::SetPrefResult SetDefaultZoomPercent(int percent);
 
  protected:
   Profile* profile_;  // weak; not owned by us
-  scoped_ptr<PrefsUtil> prefs_util_;
+  std::unique_ptr<PrefsUtil> prefs_util_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SettingsPrivateDelegate);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SETTINGS_PRIVATE_SETTINGS_PRIVATE_DELEGATE_H_