// Marks the given range within |text_| with style defined by |style_info|.
// |range| must be contained in |text_|.
void AddStyleRange(const gfx::Range& range, const RangeStyleInfo& style_info);
// Marks the given range within |text_| with style defined by |style_info|.
// |range| must be contained in |text_|.
void AddStyleRange(const gfx::Range& range, const RangeStyleInfo& style_info);