message: Applying clang-format on Grid.cpp.
diff: @@ -772,7 +772,8 @@ CellLocation Grid<Cell>::resize(PageSize _newSize, CellLocation _currentCursorPo
  // so fill the gap until we have a full page.
  cy = pageSize_.lines - LineCount::cast_from(grownLines.size());
  while (LineCount::cast_from(grownLines.size()) < pageSize_.lines)
  - grownLines.emplace_back(defaultLineFlags(),
  + grownLines.emplace_back(
  + defaultLineFlags(),
  TrivialLineBuffer { _newColumnCount, GraphicsAttributes {}, GraphicsAttributes {} });
  Ensures(LineCount::cast_from(grownLines.size()) == pageSize_.lines);
  @@ -783,7 +784,8 @@ CellLocation Grid<Cell>::resize(PageSize _newSize, CellLocation _currentCursorPo
  // Fill scrollback lines.
  auto const totalLineCount = unbox<size_t>(pageSize_.lines + maxHistoryLineCount_);
  while (grownLines.size() < totalLineCount)
  - grownLines.emplace_back(defaultLineFlags(),
  + grownLines.emplace_back(
  + defaultLineFlags(),
  TrivialLineBuffer { _newColumnCount, GraphicsAttributes {}, GraphicsAttributes {} });
  lines_ = std::move(grownLines);
  @@ -887,7 +889,8 @@ CellLocation Grid<Cell>::resize(PageSize _newSize, CellLocation _currentCursorPo
  Require(numLinesWritten >= pageSize_.lines);
  while (shrinkedLines.size() < totalLineCount)
  - shrinkedLines.emplace_back(LineFlags::None,
  + shrinkedLines.emplace_back(
  + LineFlags::None,
  TrivialLineBuffer { _newColumnCount, GraphicsAttributes {}, GraphicsAttributes {} });
  shrinkedLines.rotate_left(
  