[BitmapFetcher] Added reference to OnFetchComplete url

chrome/browser/profiles/profile_avatar_downloader.cc

Index: chrome/browser/profiles/profile_avatar_downloader.cc
diff --git a/chrome/browser/profiles/profile_avatar_downloader.cc b/chrome/browser/profiles/profile_avatar_downloader.cc
index f00dc76122dbc4e04d42a010664575c34a58d431..52d467880878cc3b3789ddde53f9d5a84334a7e4 100644
--- a/chrome/browser/profiles/profile_avatar_downloader.cc
+++ b/chrome/browser/profiles/profile_avatar_downloader.cc
@@ -44,7 +44,7 @@ void ProfileAvatarDownloader::Start() {
 }
 
 // BitmapFetcherDelegate overrides.
-void ProfileAvatarDownloader::OnFetchComplete(const GURL url,
+void ProfileAvatarDownloader::OnFetchComplete(const GURL& url,
                                               const SkBitmap* bitmap) {
   if (!bitmap || !cache_)
     return;