And now NewRunnableMethod(), you die.

chrome/browser/net/predictor.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/net/predictor.h"
 
 #include <algorithm>
 #include <cmath>
 #include <set>
 #include <sstream>
@@ skipping 679 matching lines @@
     const UrlList& startup_urls,
     base::ListValue* referral_list,
     IOThread* io_thread,
     bool predictor_enabled) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   predictor_enabled_ = predictor_enabled;
   initial_observer_.reset(new InitialObserver());
   host_resolver_ = io_thread->globals()->host_resolver.get();
 
-  // ScopedRunnableMethodFactory instances need to be created and destroyed
+  // base::WeakPtrFactory instances need to be created and destroyed
   // on the same thread. The predictor lives on the IO thread and will die
   // from there so now that we're on the IO thread we need to properly
-  // initialize the ScopedrunnableMethodFactory.
+  // initialize the base::WeakPtrFactory.
   // TODO(groby): Check if WeakPtrFactory has the same constraint.
   weak_factory_.reset(new base::WeakPtrFactory<Predictor>(this));
 
   // Prefetch these hostnames on startup.
   DnsPrefetchMotivatedList(startup_urls, UrlInfo::STARTUP_LIST_MOTIVATED);
   DeserializeReferrersThenDelete(referral_list);
 }
 
 //-----------------------------------------------------------------------------
 // This section intermingles prefetch results with actual browser HTTP
@@ skipping 491 matching lines @@
                                            PrefService* local_state,
                                            IOThread* io_thread) {
   // Empty function for unittests.
 }
 
 void SimplePredictor::ShutdownOnUIThread(PrefService* user_prefs) {
   SetShutdown(true);
 }
 
 }  // namespace chrome_browser_net