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

chrome/browser/extensions/api/hotword_private/hotword_private_api.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 CHROME_BROWSER_EXTENSIONS_API_HOTWORD_PRIVATE_HOTWORD_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_HOTWORD_PRIVATE_HOTWORD_PRIVATE_API_H_
 
 #include "base/values.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/common/extensions/api/hotword_private.h"
@@ skipping 36 matching lines @@
 
   void OnMicrophoneStateChanged(bool enabled);
 
  private:
   friend class BrowserContextKeyedAPIFactory<HotwordPrivateEventService>;
 
   void SignalEvent(events::HistogramValue histogram_value,
                    const std::string& event_name);
   void SignalEvent(events::HistogramValue histogram_value,
                    const std::string& event_name,
-                   scoped_ptr<base::ListValue> args);
+                   std::unique_ptr<base::ListValue> args);
 
   Profile* profile_;
   PrefChangeRegistrar pref_change_registrar_;
 };
 
 
 class HotwordPrivateSetEnabledFunction : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("hotwordPrivate.setEnabled",
                              HOTWORDPRIVATE_SETENABLED)
@@ skipping 186 matching lines @@
  protected:
   ~HotwordPrivateSpeakerModelExistsResultFunction() override {}
 
   // ExtensionFunction:
   bool RunSync() override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_HOTWORD_PRIVATE_HOTWORD_PRIVATE_API_H_