[Password Generation] Update Aura UI

ui/views/controls/styled_label.h

Index: ui/views/controls/styled_label.h
diff --git a/ui/views/controls/styled_label.h b/ui/views/controls/styled_label.h
index 4c599a0d438c5de58e98cd5cde3927a8ccdb7e86..c926ed359ab717fcadf85511bda36945d671ace9 100644
--- a/ui/views/controls/styled_label.h
+++ b/ui/views/controls/styled_label.h
@@ -73,6 +73,13 @@ class VIEWS_EXPORT StyledLabel : public View, public LinkListener {
   // a range set by AddStyleRange.
   void SetDefaultStyle(const RangeStyleInfo& style_info);
 
+  // Sets line height similar to CSS line-height. Line height of 0 will overlay
+  // new lines of text on top of each other. For line heights greater than
+  // the height of the current font, the text will be vertically centered
+  // in the space provided. Set |height| to a negative value to reset to the
+  // default height.
+  void SetLineHeight(int height);
+
   // Sets the color of the background on which the label is drawn. This won't
   // be explicitly drawn, but the label will force the text color to be
   // readable over it.
@@ -116,12 +123,23 @@ class VIEWS_EXPORT StyledLabel : public View, public LinkListener {
   // The return value is the necessary size.
   gfx::Size CalculateAndDoLayout(int width, bool dry_run);
 
+  // Returns the line height, either default or user specified.
+  int GetLineHeight();
+
+  // Returns the vetical offset for a given line. This is necessary to
+  // vertically center text when a user specifies a line height great than the
+  // default.
+  int GetOffsetForLine(int line);
+
   // The text to display.
   base::string16 text_;
 
   // Fonts used to display text. Can be augmented by RangeStyleInfo.
   gfx::FontList font_list_;
 
+  // Line height in pixels.
+  int line_height_;
+
   // The default style to use for any part of the text that isn't within
   // a range in |style_ranges_|.
   RangeStyleInfo default_style_info_;