replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/sync_file_system/local/local_file_sync_context.h

Index: chrome/browser/sync_file_system/local/local_file_sync_context.h
diff --git a/chrome/browser/sync_file_system/local/local_file_sync_context.h b/chrome/browser/sync_file_system/local/local_file_sync_context.h
index d9f6270e246e37e05db0ca24c8a1db19e34c2e95..71fcd82440d0a1003fa7efe353199a6c647747c8 100644
--- a/chrome/browser/sync_file_system/local/local_file_sync_context.h
+++ b/chrome/browser/sync_file_system/local/local_file_sync_context.h
@@ -206,8 +206,8 @@ class LocalFileSyncContext
 
  protected:
   // LocalFileSyncStatus::Observer overrides. They are called on IO thread.
-  virtual void OnSyncEnabled(const storage::FileSystemURL& url) OVERRIDE;
-  virtual void OnWriteEnabled(const storage::FileSystemURL& url) OVERRIDE;
+  virtual void OnSyncEnabled(const storage::FileSystemURL& url) override;
+  virtual void OnWriteEnabled(const storage::FileSystemURL& url) override;
 
  private:
   typedef base::Callback<void(base::File::Error result)> StatusCallback;