Extract Favicon Download logic from FaviconTabHelper

chrome/browser/ui/tab_contents/tab_contents.cc

Index: chrome/browser/ui/tab_contents/tab_contents.cc
diff --git a/chrome/browser/ui/tab_contents/tab_contents.cc b/chrome/browser/ui/tab_contents/tab_contents.cc
index ff08ca2c43eacb6baa6b1144ead367ff0ea31274..480eada980afa6afbb684fa5dca1ac00460067fc 100644
--- a/chrome/browser/ui/tab_contents/tab_contents.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents.cc
@@ -13,6 +13,7 @@
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/external_protocol/external_protocol_observer.h"
+#include "chrome/browser/favicon/favicon_download_helper.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
@@ -131,6 +132,8 @@ TabContents::TabContents(WebContents* contents)
   extensions::WebNavigationTabObserver::CreateForWebContents(contents);
   ExternalProtocolObserver::CreateForWebContents(contents);
   FaviconTabHelper::CreateForWebContents(contents);
+  FaviconDownloadHelper::CreateForWebContentsAndDelegate(contents,
+      FaviconTabHelper::FromWebContents(contents));
   FindTabHelper::CreateForWebContents(contents);
   HistoryTabHelper::CreateForWebContents(contents);
   HungPluginTabHelper::CreateForWebContents(contents);