Uses and returns the fractional width in text eliding

ui/gfx/canvas.cc

Index: ui/gfx/canvas.cc
diff --git a/ui/gfx/canvas.cc b/ui/gfx/canvas.cc
index eb0834ba8d9ac7ed0bd166d4d6a1d420f0074b07..8080dd40be5fd27149f073ee702010c1fdddc61d 100644
--- a/ui/gfx/canvas.cc
+++ b/ui/gfx/canvas.cc
@@ -85,24 +85,24 @@ void Canvas::RecreateBackingCanvas(const Size& size,
 // static
 void Canvas::SizeStringInt(const base::string16& text,
                            const Font& font,
-                           int* width,
-                           int* height,
+                           float* width,
+                           float* height,
                            int line_height,
                            int flags) {
   SizeStringInt(text, FontList(font), width, height, line_height, flags);
 }
 
 // static
-int Canvas::GetStringWidth(const base::string16& text,
-                           const FontList& font_list) {
-  int width = 0, height = 0;
+float Canvas::GetStringWidth(const base::string16& text,
+                             const FontList& font_list) {
+  float width = 0, height = 0;
   SizeStringInt(text, font_list, &width, &height, 0, NO_ELLIPSIS);
   return width;
 }
 
 // static
-int Canvas::GetStringWidth(const base::string16& text, const Font& font) {
-  int width = 0, height = 0;
+float Canvas::GetStringWidth(const base::string16& text, const Font& font) {
+  float width = 0, height = 0;
   SizeStringInt(text, FontList(font), &width, &height, 0, NO_ELLIPSIS);
   return width;
 }