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

chrome/browser/chromeos/extensions/file_manager/event_router.h

Index: chrome/browser/chromeos/extensions/file_manager/event_router.h
diff --git a/chrome/browser/chromeos/extensions/file_manager/event_router.h b/chrome/browser/chromeos/extensions/file_manager/event_router.h
index ed30696377ae646278e36e73813689177606d00b..ce0c8274117a79b6572b97669d649f3059d81cf5 100644
--- a/chrome/browser/chromeos/extensions/file_manager/event_router.h
+++ b/chrome/browser/chromeos/extensions/file_manager/event_router.h
@@ -8,13 +8,13 @@
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path_watcher.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/extensions/file_manager/device_event_router.h"
 #include "chrome/browser/chromeos/extensions/file_manager/job_event_router.h"
@@ -215,11 +215,11 @@ class EventRouter : public KeyedService,
   base::Time last_copy_progress_event_;
 
   WatcherMap file_watchers_;
-  scoped_ptr<PrefChangeRegistrar> pref_change_registrar_;
+  std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_;
   Profile* profile_;
 
-  scoped_ptr<DeviceEventRouter> device_event_router_;
-  scoped_ptr<JobEventRouter> job_event_router_;
+  std::unique_ptr<DeviceEventRouter> device_event_router_;
+  std::unique_ptr<JobEventRouter> job_event_router_;
 
   DispatchDirectoryChangeEventImplCallback
       dispatch_directory_change_event_impl_;