[Media Galleries] Move RemovableStorageInfo notifications to chrome namespace (part 2)

chrome/browser/media_gallery/media_file_system_registry_unittest.cc

Index: chrome/browser/media_gallery/media_file_system_registry_unittest.cc
diff --git a/chrome/browser/media_gallery/media_file_system_registry_unittest.cc b/chrome/browser/media_gallery/media_file_system_registry_unittest.cc
index f9586b1a7b096f1813eb4df8bcbb52650f326301..5be2a7d89c6c3ba0f532ae0a1fa67630ba79df9d 100644
--- a/chrome/browser/media_gallery/media_file_system_registry_unittest.cc
+++ b/chrome/browser/media_gallery/media_file_system_registry_unittest.cc
@@ -528,15 +528,16 @@ std::string MediaFileSystemRegistryTest::AttachDevice(
   std::string device_id = MediaStorageUtil::MakeDeviceId(type, unique_id);
   DCHECK(MediaStorageUtil::IsRemovableDevice(device_id));
   string16 name = location.LossyDisplayName();
-  base::SystemMonitor::Get()->ProcessRemovableStorageAttached(device_id, name,
-                                                              location.value());
+  RemovableStorageNotifications::GetInstance()->
+      ProcessRemovableStorageAttached(device_id, name, location.value());
   MessageLoop::current()->RunUntilIdle();
   return device_id;
 }
 
 void MediaFileSystemRegistryTest::DetachDevice(const std::string& device_id) {
   DCHECK(MediaStorageUtil::IsRemovableDevice(device_id));
-  base::SystemMonitor::Get()->ProcessRemovableStorageDetached(device_id);
+  RemovableStorageNotifications::GetInstance()->
+      ProcessRemovableStorageDetached(device_id);
   MessageLoop::current()->RunUntilIdle();
 }