[Favicon] Minor code cleanup.

chrome/browser/ui/webui/favicon_source.h

Index: chrome/browser/ui/webui/favicon_source.h
diff --git a/chrome/browser/ui/webui/favicon_source.h b/chrome/browser/ui/webui/favicon_source.h
index e4a8fe9503601cd7b2d59f53c41704da3aabb752..16c0bbd9515e59c7d6e5f2cd5aec161792d19a1b 100644
--- a/chrome/browser/ui/webui/favicon_source.h
+++ b/chrome/browser/ui/webui/favicon_source.h
@@ -41,7 +41,7 @@ class Profile;
 //      If the parameter is unspecified, the requested favicon's size defaults
 //      to 16 and the requested scale factor defaults to 1x.
 //      Example: chrome://favicon/size/16@2x/http://www.google.com/
-//  'urlmodifier'      Optional
+//  'urlmodifier'       Optional
 //    Values: ['iconurl', 'origin']
 //    'iconurl': Specifies that the url parameter refers to the URL of
 //    the favicon image as opposed to the URL of the page that the favicon is