Refactoring inside refactoring. We need to go deeper

app/controllers/projects/edit_tree_controller.rb

app/helpers/commits_helper.rb

app/helpers/diff_helper.rb

app/models/note.rb

app/views/projects/diffs/_diffs.html.haml

app/views/projects/diffs/_file.html.haml

app/views/projects/diffs/_stats.html.haml

app/views/projects/diffs/_text_file.html.haml

app/views/projects/diffs/_warning.html.haml

app/views/projects/edit_tree/_diff.html.haml

app/views/projects/edit_tree/preview.html.haml

app/views/projects/notes/_diff_note_link.html.haml

app/views/projects/notes/discussions/_diff.html.haml

lib/gitlab/diff/file.rb

lib/gitlab/diff/line.rb

lib/gitlab/diff/line_code.rb

lib/gitlab/diff/parser.rb

spec/lib/gitlab/diff/file_spec.rb

spec/lib/gitlab/diff/parser_spec.rb