Remove ResourceIdCanonicalizer from DriveServiceInterface

chrome/browser/sync_file_system/drive_backend/drive_service_on_worker.cc

Index: chrome/browser/sync_file_system/drive_backend/drive_service_on_worker.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/drive_service_on_worker.cc b/chrome/browser/sync_file_system/drive_backend/drive_service_on_worker.cc
index e3fd312ecca3df394a12769547970cf514f1f43f..ee678bbac0417a9216643841a1fb67071af25737 100644
--- a/chrome/browser/sync_file_system/drive_backend/drive_service_on_worker.cc
+++ b/chrome/browser/sync_file_system/drive_backend/drive_service_on_worker.cc
@@ -277,12 +277,6 @@ bool DriveServiceOnWorker::CanSendRequest() const {
   return false;
 }
 
-drive::ResourceIdCanonicalizer
-DriveServiceOnWorker::GetResourceIdCanonicalizer() const {
-  NOTREACHED();
-  return drive::ResourceIdCanonicalizer();
-}
-
 bool DriveServiceOnWorker::HasAccessToken() const {
   NOTREACHED();
   return false;