[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 068f3cff1886fb5d9c58e602d81ea7dbd263eed7..0127eb8ae2ae63e9a4e5cfdbfd9f7d91ae7e9136 100644
--- a/chrome/browser/chromeos/file_manager/volume_manager.h
+++ b/chrome/browser/chromeos/file_manager/volume_manager.h
@@ -174,10 +174,12 @@ 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.