Reduce the use of ui::ScaleFactor in webui/favicon

chrome/common/favicon/favicon_url_parser.h

Index: chrome/common/favicon/favicon_url_parser.h
diff --git a/chrome/common/favicon/favicon_url_parser.h b/chrome/common/favicon/favicon_url_parser.h
index 91ab9f1d5a6c7db49367ac9d179a92244154b3dd..46eed9b99edf83642be7e8daadd7b7216f88434b 100644
--- a/chrome/common/favicon/favicon_url_parser.h
+++ b/chrome/common/favicon/favicon_url_parser.h
@@ -7,8 +7,6 @@
 
 #include <string>
 
-#include "ui/base/layout.h"
-
 namespace chrome {
 
 struct ParsedFaviconPath {
@@ -22,7 +20,7 @@ struct ParsedFaviconPath {
   int size_in_dip;
 
   // The scale factor of the requested favicon.
-  ui::ScaleFactor scale_factor;
+  float scale_factor;
 
   // The index of the first character (relative to the path) where the the URL
   // from which the favicon is being requested is located.