PrerenderManager: No longer expose weak pointers.

chrome/browser/prerender/prerender_manager.cc

 // Copyright (c) 2012 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/prerender/prerender_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 139 matching lines @@
         time(time) {
   }
 
   GURL url;
   base::TimeTicks time;
 };
 
 PrerenderManager::PrerenderManager(Profile* profile)
     : profile_(profile),
       prerender_contents_factory_(PrerenderContents::CreateFactory()),
-      last_prerender_start_time_(GetCurrentTimeTicks() -
+      last_prerender_start_time_(
+          GetCurrentTimeTicks() -
           base::TimeDelta::FromMilliseconds(kMinTimeBetweenPrerendersMs)),
       prerender_history_(new PrerenderHistory(kHistoryLength)),
       histograms_(new PrerenderHistograms()),
       profile_network_bytes_(0),
-      last_recorded_profile_network_bytes_(0) {
+      last_recorded_profile_network_bytes_(0),
+      weak_factory_(this) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   // Certain experiments override our default config_ values.
   switch (PrerenderManager::GetMode()) {
     case PrerenderManager::PRERENDER_MODE_EXPERIMENT_MULTI_PRERENDER_GROUP:
       config_.max_link_concurrency = 4;
       config_.max_link_concurrency_per_launcher = 2;
       break;
     case PrerenderManager::PRERENDER_MODE_EXPERIMENT_15MIN_TTL_GROUP:
       config_.time_to_live = base::TimeDelta::FromMinutes(15);
@@ skipping 849 matching lines @@
   to_delete_prerenders_.clear();
 
   // Measure how long a the various cleanup tasks took. http://crbug.com/305419.
   UMA_HISTOGRAM_TIMES("Prerender.PeriodicCleanupDeleteContentsTime",
                       cleanup_timer.Elapsed());
 }
 
 void PrerenderManager::PostCleanupTask() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&PrerenderManager::PeriodicCleanup, AsWeakPtr()));
+      FROM_HERE, base::Bind(&PrerenderManager::PeriodicCleanup,
+                            weak_factory_.GetWeakPtr()));
 }
 
 base::TimeTicks PrerenderManager::GetExpiryTimeForNewPrerender(
     Origin origin) const {
   return GetCurrentTimeTicks() + config_.time_to_live;
 }
 
 base::TimeTicks PrerenderManager::GetExpiryTimeForNavigatedAwayPrerender()
     const {
   return GetCurrentTimeTicks() + config_.abandon_time_to_live;
@@ skipping 284 matching lines @@
   DCHECK_EQ(1u, erased);
 }
 
 void PrerenderManager::SetPrerenderContentsFactoryForTest(
     PrerenderContents::Factory* prerender_contents_factory) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   prerender_contents_factory_.reset(prerender_contents_factory);
 }
 
 }  // namespace prerender