Support touch icon in FaviconHelper

chrome/browser/prerender/prerender_contents.h

Index: chrome/browser/prerender/prerender_contents.h
diff --git a/chrome/browser/prerender/prerender_contents.h b/chrome/browser/prerender/prerender_contents.h
index 0a7765839c3dde8731e6e67206b790a61aa33464..b10dc46b401f7ce840e2a07d2d43b1043cd7d560 100644
--- a/chrome/browser/prerender/prerender_contents.h
+++ b/chrome/browser/prerender/prerender_contents.h
@@ -13,6 +13,7 @@
 #include "chrome/browser/prerender/prerender_final_status.h"
 #include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
 #include "chrome/browser/ui/app_modal_dialogs/js_modal_dialog.h"
+#include "chrome/common/icon_messages.h"
 #include "chrome/common/view_types.h"
 #include "chrome/common/window_container_type.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
@@ -200,7 +201,7 @@ class PrerenderContents : public RenderViewHostDelegate,
                                     const GURL& source_url,
                                     const GURL& target_url);
 
-  void OnUpdateFaviconURL(int32 page_id, const GURL& icon_url);
+  void OnUpdateFaviconURL(int32 page_id, const std::vector<FaviconURL>& urls);
 
   // Adds an alias URL, for one of the many redirections. Returns whether
   // the URL is valid.