Uses and returns the fractional width in text eliding

ui/gfx/platform_font_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/platform_font_win.h"
 
 #include <windows.h>
 #include <math.h>
 
 #include <algorithm>
@@ skipping 127 matching lines @@
 }
 
 int PlatformFontWin::GetBaseline() const {
   return font_ref_->baseline();
 }
 
 int PlatformFontWin::GetCapHeight() const {
   return font_ref_->cap_height();
 }
 
-int PlatformFontWin::GetAverageCharacterWidth() const {
+float PlatformFontWin::GetAverageCharacterWidth() const {
   return font_ref_->ave_char_width();
 }
 
-int PlatformFontWin::GetStringWidth(const base::string16& text) const {
+float PlatformFontWin::GetStringWidth(const base::string16& text) const {
   return Canvas::GetStringWidth(text,
                                 Font(const_cast<PlatformFontWin*>(this)));
 }
 
-int PlatformFontWin::GetExpectedTextWidth(int length) const {
-  return length * std::min(font_ref_->GetDluBaseX(),
-                           GetAverageCharacterWidth());
+float PlatformFontWin::GetExpectedTextWidth(int length) const {
+  return length * std::min<float>(font_ref_->GetDluBaseX(),
+                                  GetAverageCharacterWidth());
 }
 
 int PlatformFontWin::GetStyle() const {
   return font_ref_->style();
 }
 
 std::string PlatformFontWin::GetFontName() const {
   return font_ref_->font_name();
 }
 
@@ skipping 154 matching lines @@
   return new PlatformFontWin(native_font);
 }
 
 // static
 PlatformFont* PlatformFont::CreateFromNameAndSize(const std::string& font_name,
                                                   int font_size) {
   return new PlatformFontWin(font_name, font_size);
 }
 
 }  // namespace gfx