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

chrome/browser/media_gallery/media_galleries_dialog_controller.h

Index: chrome/browser/media_gallery/media_galleries_dialog_controller.h
diff --git a/chrome/browser/media_gallery/media_galleries_dialog_controller.h b/chrome/browser/media_gallery/media_galleries_dialog_controller.h
index 166693e5a429614976bab6a67c25d8190452508d..cd58bda0ac4d5a59fb0cb5228457d9aaef821cdc 100644
--- a/chrome/browser/media_gallery/media_galleries_dialog_controller.h
+++ b/chrome/browser/media_gallery/media_galleries_dialog_controller.h
@@ -11,8 +11,8 @@
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
-#include "base/system_monitor/system_monitor.h"
 #include "chrome/browser/media_gallery/media_galleries_preferences.h"
+#include "chrome/browser/system_monitor/removable_storage_notifications.h"
 #include "ui/base/dialogs/select_file_dialog.h"
 #include "ui/gfx/native_widget_types.h"
 
@@ -49,7 +49,7 @@ class MediaGalleriesDialog {
 // the dialog and owns itself.
 class MediaGalleriesDialogController
     : public ui::SelectFileDialog::Listener,
-      public base::SystemMonitor::DevicesChangedObserver {
+      public RemovableStorageNotifications::RemovableStorageObserver {
  public:
   // A fancy pair.
   struct GalleryPermission {
@@ -101,7 +101,7 @@ class MediaGalleriesDialogController
                             int index,
                             void* params) OVERRIDE;
 
-  // base::SystemMonitor::DevicesChangedObserver implementation:
+  // RemovableStoageObserver implementation:
   virtual void OnRemovableStorageAttached(
       const std::string& id,
       const string16& name,