Cleanup: Deprecate DriveFileSyncService::kServiceName

chrome/browser/sync_file_system/remote_change_processor.h

Index: chrome/browser/sync_file_system/remote_change_processor.h
diff --git a/chrome/browser/sync_file_system/remote_change_processor.h b/chrome/browser/sync_file_system/remote_change_processor.h
index ab7191427fe91b9927cece5ac5390cfdf310a960..3a3d1054d251e9657beeb68999c3ee7f9f4984be 100644
--- a/chrome/browser/sync_file_system/remote_change_processor.h
+++ b/chrome/browser/sync_file_system/remote_change_processor.h
@@ -42,15 +42,13 @@ class RemoteChangeProcessor {
   RemoteChangeProcessor() {}
   virtual ~RemoteChangeProcessor() {}
 
-  // This must be called before processing the change for the |url|
-  // for sync service |service_name|.
+  // This must be called before processing the change for the |url|.
   // This tries to lock the target |url| and returns the local changes
   // if any. (The change returned by the callback is to make a decision
   // on conflict resolution, but NOT for applying local changes to the remote,
   // which is supposed to be done by LocalChangeProcessor)
   virtual void PrepareForProcessRemoteChange(
       const fileapi::FileSystemURL& url,
-      const std::string& service_name,
       const PrepareChangeCallback& callback) = 0;
 
   // This is called to apply the remote |change|. If the change type is