Uses and returns the fractional width in text eliding

ui/gfx/font_list.h

Index: ui/gfx/font_list.h
diff --git a/ui/gfx/font_list.h b/ui/gfx/font_list.h
index 96398a1dcd0118781aa94d3caea4d35796955974..a145a9ce01cfbb11cf3cd42641da4948f40bdc29 100644
--- a/ui/gfx/font_list.h
+++ b/ui/gfx/font_list.h
@@ -82,12 +82,12 @@ class GFX_EXPORT FontList {
   int GetBaseline() const;
 
   // Returns the number of horizontal pixels needed to display |text|.

[msw, 2013/10/01 02:42:48]

nit: s/number of pixels/pixel width/; ditto below.

[jianli, 2013/10/01 18:56:50]

Done.

-  int GetStringWidth(const base::string16& text) const;
+  float GetStringWidth(const base::string16& text) const;
 
   // Returns the expected number of horizontal pixels needed to display the
   // specified length of characters. Call GetStringWidth() to retrieve the
   // actual number.
-  int GetExpectedTextWidth(int length) const;
+  float GetExpectedTextWidth(int length) const;
 
   // Returns the |gfx::Font::FontStyle| style flags for this font list.
   int GetFontStyle() const;