Unbundle link rel=prefetch from privacy settings

chrome/browser/prefetch/prefetch.cc

Index: chrome/browser/prefetch/prefetch.cc
diff --git a/chrome/browser/prefetch/prefetch.cc b/chrome/browser/prefetch/prefetch.cc
index a26233b8d6ba5ed7eefd12c381128a5b605d0549..2c07cc9560ba0c4cee58478d4f8f1f13460afc39 100644
--- a/chrome/browser/prefetch/prefetch.cc
+++ b/chrome/browser/prefetch/prefetch.cc
@@ -18,10 +18,7 @@ namespace prefetch {
 bool IsPrefetchEnabled(content::ResourceContext* resource_context) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
-  ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
-  return chrome_browser_net::CanPrefetchAndPrerenderIO(io_data) ==
-         chrome_browser_net::NetworkPredictionStatus::ENABLED &&
-         !DisableForFieldTrial();
+  return !DisableForFieldTrial();
 }
 
 }  // namespace prefetch