[fsp] Decouple file_service_provider::Service.

chrome/browser/chromeos/file_manager/volume_manager.h

Index: chrome/browser/chromeos/file_manager/volume_manager.h
diff --git a/chrome/browser/chromeos/file_manager/volume_manager.h b/chrome/browser/chromeos/file_manager/volume_manager.h
index b5b0fa5aafca966de5700c1db2c71003789b580b..27640bca654f8e1f1863c9070595764e55599ef8 100644
--- a/chrome/browser/chromeos/file_manager/volume_manager.h
+++ b/chrome/browser/chromeos/file_manager/volume_manager.h
@@ -175,10 +175,12 @@ class VolumeManager : public KeyedService,
 
   // chromeos::file_system_provider::Observer overrides.
   virtual void OnProvidedFileSystemMount(
-      const chromeos::file_system_provider::ProvidedFileSystem& file_system,
+      const chromeos::file_system_provider::ProvidedFileSystemInfo&
+          file_system_info,
       base::File::Error error) OVERRIDE;
   virtual void OnProvidedFileSystemUnmount(
-      const chromeos::file_system_provider::ProvidedFileSystem& file_system,
+      const chromeos::file_system_provider::ProvidedFileSystemInfo&
+          file_system_info,
       base::File::Error error) OVERRIDE;
 
   // Called on change to kExternalStorageDisabled pref.