Move TransportSecurityPersister completely to IO thread.

chrome/browser/browsing_data_remover.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/browsing_data_remover.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 274 matching lines @@
     // is essentially a preemptively cached page.
     prerender::PrerenderManager* prerender_manager =
         profile_->GetPrerenderManager();
     if (prerender_manager) {
       prerender_manager->ClearData(
           prerender::PrerenderManager::CLEAR_PRERENDER_CONTENTS);
     }
   }
 
   // Also delete cached TransportSecurityState data.
-  if (profile_->GetTransportSecurityState()) {
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE,
-        NewRunnableMethod(
-            profile_->GetTransportSecurityState(),
-            &net::TransportSecurityState::DeleteSince,
-            delete_begin_));
-  }
+  profile_->DeleteTransportSecurityStateSince(delete_begin_);
 
   NotifyAndDeleteIfDone();
 }
 
 void BrowsingDataRemover::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void BrowsingDataRemover::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
@@ skipping 271 matching lines @@
       GetURLRequestContext()->cookie_store()->GetCookieMonster();
   if (cookie_monster) {
       cookie_monster->DeleteAllCreatedBetweenAsync(
           delete_begin_, delete_end_,
           base::Bind(&BrowsingDataRemover::OnClearedCookies,
                      base::Unretained(this)));
   } else {
     OnClearedCookies(0);
   }
 }