Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/browser/custom_handlers/protocol_handler_registry.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/custom_handlers/protocol_handler_registry.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 239 matching lines @@
     return;
   }
   scoped_ptr<Value> registered_protocol_handlers(EncodeRegisteredHandlers());
   scoped_ptr<Value> ignored_protocol_handlers(EncodeIgnoredHandlers());
   scoped_ptr<Value> enabled(Value::CreateBooleanValue(enabled_));
   profile_->GetPrefs()->Set(prefs::kRegisteredProtocolHandlers,
       *registered_protocol_handlers);
   profile_->GetPrefs()->Set(prefs::kIgnoredProtocolHandlers,
       *ignored_protocol_handlers);
   profile_->GetPrefs()->Set(prefs::kCustomHandlersEnabled, *enabled);
-  profile_->GetPrefs()->ScheduleSavePersistentPrefs();
 }
 
 bool ProtocolHandlerRegistry::CanSchemeBeOverridden(
     const std::string& scheme) const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const ProtocolHandlerList* handlers = GetHandlerList(scheme);
   // If we already have a handler for this scheme, we can add more.
   if (handlers != NULL && !handlers->empty())
     return true;
   // Don't override a scheme if it already has an external handler.
@@ skipping 435 matching lines @@
     }
   } else {
     NOTREACHED();
   }
 }
 
 void ProtocolHandlerRegistry::DefaultClientObserver::SetWorker(
     ShellIntegration::DefaultProtocolClientWorker* worker) {
   worker_ = worker;
 }