Do not de-reference Profile on the IO thread in BrowsingDataRemover.

chrome/browser/browsing_data/browsing_data_remover.h

 // 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.
 
 #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 
 #include <set>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
 #include "base/prefs/pref_member.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/synchronization/waitable_event_watcher.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "base/time/time.h"
 #include "chrome/browser/pepper_flash_settings_manager.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #if defined(OS_CHROMEOS)
 #include "chromeos/dbus/dbus_method_call_status.h"
 #endif
 #include "url/gurl.h"
 #include "webkit/common/quota/quota_types.h"
 
 class ExtensionSpecialStoragePolicy;
 class IOThread;
 class Profile;
 
+namespace chrome_browser_net {
+class Predictor;
+}
+
 namespace content {
 class PluginDataRemover;
 class StoragePartition;
 }
 
 namespace disk_cache {
 class Backend;
 }
 
 namespace net {
@@ skipping 256 matching lines @@
   // Clears the LoggedIn Predictor.
   void ClearLoggedInPredictor();
 
   // Callback for when speculative data in the network Predictor has been
   // cleared. Clears the respective waiting flag and invokes
   // NotifyAndDeleteIfDone.
   void OnClearedNetworkPredictor();
 
   // Invoked on the IO thread to clear speculative data related to hostname
   // pre-resolution from the network Predictor.
-  void ClearNetworkPredictorOnIOThread();
+  void ClearNetworkPredictorOnIOThread(
+      chrome_browser_net::Predictor* predictor);
 
   // Callback for when network related data in ProfileIOData has been cleared.
   // Clears the respective waiting flag and invokes NotifyAndDeleteIfDone.
   void OnClearedNetworkingHistory();
 
   // Callback for when the cache has been deleted. Invokes
   // NotifyAndDeleteIfDone.
   void ClearedCache();
 
   // Invoked on the IO thread to delete from the cache.
@@ skipping 141 matching lines @@
 
   scoped_ptr<TemplateURLService::Subscription> template_url_sub_;
 
   // We do not own this.
   content::StoragePartition* storage_partition_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataRemover);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_