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

extensions/browser/app_window/app_window_geometry_cache.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_APP_WINDOW_APP_WINDOW_GEOMETRY_CACHE_H_
 #define EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_GEOMETRY_CACHE_H_
 
 #include <stddef.h>
 
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/observer_list.h"
 #include "base/scoped_observer.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "extensions/browser/extension_registry_observer.h"
 #include "ui/base/ui_base_types.h"
@@ skipping 125 matching lines @@
   // Listen to extension load, unloaded notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   base::ObserverList<Observer> observers_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_GEOMETRY_CACHE_H_