Uses and returns the fractional width in text eliding

ui/gfx/text_elider.h

Index: ui/gfx/text_elider.h
diff --git a/ui/gfx/text_elider.h b/ui/gfx/text_elider.h
index 008a1cd1b5b1c60c9b7e5de0c62042d5f07fb8dd..129dc568e3ace645bf8e9c1b10137770788c0d82 100644
--- a/ui/gfx/text_elider.h
+++ b/ui/gfx/text_elider.h
@@ -41,11 +41,11 @@ UI_EXPORT extern const char16 kEllipsisUTF16[];
 // extra width).
 UI_EXPORT string16 ElideEmail(const string16& email,
                               const gfx::FontList& font_list,
-                              int available_pixel_width);
+                              float available_pixel_width);
 // Obsolete version.  Use the above version which takes gfx::FontList.
 UI_EXPORT string16 ElideEmail(const string16& email,
                               const gfx::Font& font,
-                              int available_pixel_width);
+                              float available_pixel_width);
 
 // This function takes a GURL object and elides it. It returns a string
 // which composed of parts from subdomain, domain, path, filename and query.
@@ -63,12 +63,12 @@ UI_EXPORT string16 ElideEmail(const string16& email,
 // http://crbug.com/6487 for more information.
 UI_EXPORT string16 ElideUrl(const GURL& url,
                             const gfx::FontList& font_list,
-                            int available_pixel_width,
+                            float available_pixel_width,
                             const std::string& languages);
 // Obsolete version.  Use the above version which takes gfx::FontList.
 UI_EXPORT string16 ElideUrl(const GURL& url,
                             const gfx::Font& font,
-                            int available_pixel_width,
+                            float available_pixel_width,
                             const std::string& languages);
 
 enum ElideBehavior {
@@ -84,12 +84,12 @@ enum ElideBehavior {
 // |elide_behavior|.
 UI_EXPORT string16 ElideText(const string16& text,
                              const gfx::FontList& font_list,
-                             int available_pixel_width,
+                             float available_pixel_width,
                              ElideBehavior elide_behavior);
 // Obsolete version.  Use the above version which takes gfx::FontList.
 UI_EXPORT string16 ElideText(const string16& text,
                              const gfx::Font& font,
-                             int available_pixel_width,
+                             float available_pixel_width,
                              ElideBehavior elide_behavior);
 
 // Elide a filename to fit a given pixel width, with an emphasis on not hiding
@@ -100,11 +100,11 @@ UI_EXPORT string16 ElideText(const string16& text,
 // PDF (Pop Directional Formatting) mark.
 UI_EXPORT string16 ElideFilename(const base::FilePath& filename,
                                  const gfx::FontList& font_list,
-                                 int available_pixel_width);
+                                 float available_pixel_width);
 // Obsolete version.  Use the above version which takes gfx::FontList.
 UI_EXPORT string16 ElideFilename(const base::FilePath& filename,
                                  const gfx::Font& font,
-                                 int available_pixel_width);
+                                 float available_pixel_width);
 
 // SortedDisplayURL maintains a string from a URL suitable for display to the
 // use. SortedDisplayURL also provides a function used for comparing two
@@ -208,15 +208,15 @@ enum ReformattingResultFlags {
 // leading to elision or truncation (and not just reformatting).
 UI_EXPORT int ElideRectangleText(const string16& text,
                                  const gfx::FontList& font_list,
-                                 int available_pixel_width,
-                                 int available_pixel_height,
+                                 float available_pixel_width,
+                                 float available_pixel_height,
                                  WordWrapBehavior wrap_behavior,
                                  std::vector<string16>* lines);
 // Obsolete version.  Use the above version which takes gfx::FontList.
 UI_EXPORT int ElideRectangleText(const string16& text,
                                  const gfx::Font& font,
-                                 int available_pixel_width,
-                                 int available_pixel_height,
+                                 float available_pixel_width,
+                                 float available_pixel_height,
                                  WordWrapBehavior wrap_behavior,
                                  std::vector<string16>* lines);