Uses and returns the fractional width in text eliding

ui/gfx/font.h

Index: ui/gfx/font.h
diff --git a/ui/gfx/font.h b/ui/gfx/font.h
index 5187ec44a3b90f7a509cb6010332a286d5df7200..8a7adfa66a60bf1329ea315ccc681c3572f85f09 100644
--- a/ui/gfx/font.h
+++ b/ui/gfx/font.h
@@ -70,16 +70,16 @@ class GFX_EXPORT Font {
   int GetBaseline() const;
 
   // Returns the average character width for the font.
-  int GetAverageCharacterWidth() const;
+  float GetAverageCharacterWidth() const;
 
   // Returns the number of horizontal pixels needed to display the specified

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

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

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

Done.

   // string.
-  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 style of the font.
   int GetStyle() const;