Remove use of deprecated MessageLoop methods in extensions.

extensions/browser/state_store.cc

 // Copyright 2014 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 "extensions/browser/state_store.h"
 
 #include <stddef.h>
 
 #include <utility>
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/value_store/value_store_factory.h"
 #include "extensions/common/extension.h"
 
 namespace {
 
 // Delay, in seconds, before we should open the State Store database. We
@@ skipping 137 matching lines @@
   // TODO(cmumford): The store now always lazily initializes upon first access.
   // A follow-on CL will remove this deferred initialization implementation
   // which is now vestigial.
   task_queue_->SetReady();
 }
 
 void StateStore::InitAfterDelay() {
   if (IsInitialized())
     return;
 
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&StateStore::Init, AsWeakPtr()),
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+      FROM_HERE, base::Bind(&StateStore::Init, AsWeakPtr()),
       base::TimeDelta::FromSeconds(kInitDelaySeconds));
 }
 
 void StateStore::RemoveKeysForExtension(const std::string& extension_id) {
   for (std::set<std::string>::iterator key = registered_keys_.begin();
        key != registered_keys_.end();
        ++key) {
     task_queue_->InvokeWhenReady(base::Bind(&ValueStoreFrontend::Remove,
                                             base::Unretained(store_.get()),
                                             GetFullKey(extension_id, *key)));
   }
 }
 
 }  // namespace extensions