Revert of Add <link rel=next> support to prerender.

chrome/browser/prerender/prerender_link_manager.h

Index: chrome/browser/prerender/prerender_link_manager.h
diff --git a/chrome/browser/prerender/prerender_link_manager.h b/chrome/browser/prerender/prerender_link_manager.h
index 743765d8c416e62e088a1d89f91e4a9ee1def160..ec8dbf68b5e74c7dd86d1e5ff19bca719671de75 100644
--- a/chrome/browser/prerender/prerender_link_manager.h
+++ b/chrome/browser/prerender/prerender_link_manager.h
@@ -47,7 +47,6 @@
   void OnAddPrerender(int child_id,
                       int prerender_id,
                       const GURL& url,
-                      uint32 rel_types,
                       const content::Referrer& referrer,
                       const gfx::Size& size,
                       int render_view_route_id);
@@ -76,7 +75,6 @@
     LinkPrerender(int launcher_child_id,
                   int prerender_id,
                   const GURL& url,
-                  uint32 rel_types,
                   const content::Referrer& referrer,
                   const gfx::Size& size,
                   int render_view_route_id,
@@ -88,7 +86,6 @@
     int launcher_child_id;
     int prerender_id;
     GURL url;
-    uint32 rel_types;
     content::Referrer referrer;
     gfx::Size size;
     int render_view_route_id;
@@ -173,3 +170,4 @@
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_LINK_MANAGER_H_
+