Uses and returns the fractional width in text eliding

ui/views/widget/tooltip_manager.cc

Index: ui/views/widget/tooltip_manager.cc
diff --git a/ui/views/widget/tooltip_manager.cc b/ui/views/widget/tooltip_manager.cc
index 7eb497876414050988535664288c09c614c058fa..faeffe52e3d78095693a4d2dbf91b82b0389c893 100644
--- a/ui/views/widget/tooltip_manager.cc
+++ b/ui/views/widget/tooltip_manager.cc
@@ -22,7 +22,7 @@ namespace views {
 
 // static
 void TooltipManager::TrimTooltipToFit(string16* text,
-                                      int* max_width,
+                                      float* max_width,
                                       int* line_count,
                                       int x,
                                       int y,
@@ -52,8 +52,8 @@ void TooltipManager::TrimTooltipToFit(string16* text,
        ++i) {
     string16 elided_text =
         gfx::ElideText(*i, font_list, available_width, gfx::ELIDE_AT_END);
-    *max_width = std::max(*max_width,
-                          gfx::GetStringWidth(elided_text, font_list));
+    *max_width = std::max(
+        *max_width, gfx::GetStringWidth(elided_text, font_list));
     if (!result.empty())
       result.push_back('\n');
     result.append(elided_text);