Uses and returns the fractional width in text eliding

ui/gfx/canvas.h

Index: ui/gfx/canvas.h
diff --git a/ui/gfx/canvas.h b/ui/gfx/canvas.h
index d6479cc0b12b54839ba01dd920dc4741c70af2fd..5c2d90ae84fc847019e8a4f51b96c043439fb656 100644
--- a/ui/gfx/canvas.h
+++ b/ui/gfx/canvas.h
@@ -127,24 +127,24 @@ class UI_EXPORT Canvas {
   // specifying a 0 value for it will cause the default height to be used.
   static void SizeStringInt(const base::string16& text,

[msw, 2013/09/27 21:54:48]

I presume the "Int" suffix in the name of this function was meant to correlate
with the integral size it previously returned. Can you update this now, since
you're touching all of its references anyway?

[jianli, 2013/10/01 00:32:58]

Renamed to SizeStringToFit.

                             const FontList& font_list,
-                            int* width,
-                            int* height,
+                            float* width,
+                            float* height,
                             int line_height,
                             int flags);
   // Obsolete version.  Use the above version which takes FontList.
   static void SizeStringInt(const base::string16& text,
                             const Font& font,
-                            int* width,
-                            int* height,
+                            float* width,
+                            float* height,
                             int line_height,
                             int flags);
 
   // Returns the number of horizontal pixels needed to display the specified
   // |text| with |font_list|.
-  static int GetStringWidth(const base::string16& text,
+  static float GetStringWidth(const base::string16& text,
                             const FontList& font_list);
   // Obsolete version.  Use the above version which takes FontList.
-  static int GetStringWidth(const base::string16& text, const Font& font);
+  static float GetStringWidth(const base::string16& text, const Font& font);
 
   // Returns the default text alignment to be used when drawing text on a
   // Canvas based on the directionality of the system locale language.