[storage] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

storage/common/database/database_connections.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 "storage/common/database/database_connections.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/thread_task_runner_handle.h"
 
 namespace storage {
 
 DatabaseConnections::DatabaseConnections() {
 }
 
 DatabaseConnections::~DatabaseConnections() {
   DCHECK(connections_.empty());
 }
 
@@ skipping 94 matching lines @@
   if (count)
     return false;
   db_connections.erase(database_name);
   if (db_connections.empty())
     connections_.erase(origin_iterator);
   return true;
 }
 
 DatabaseConnectionsWrapper::DatabaseConnectionsWrapper()
     : waiting_for_dbs_to_close_(false),
-      main_thread_(base::MessageLoopProxy::current()) {
+      main_thread_(base::ThreadTaskRunnerHandle::Get()) {
 }
 
 DatabaseConnectionsWrapper::~DatabaseConnectionsWrapper() {
 }
 
 void DatabaseConnectionsWrapper::WaitForAllDatabasesToClose() {
   // We assume that new databases won't be open while we're waiting.
   DCHECK(main_thread_->BelongsToCurrentThread());
   if (HasOpenConnections()) {
     base::AutoReset<bool> auto_reset(&waiting_for_dbs_to_close_, true);
@@ skipping 29 matching lines @@
                    origin_identifier, database_name));
     return;
   }
   base::AutoLock auto_lock(open_connections_lock_);
   open_connections_.RemoveConnection(origin_identifier, database_name);
   if (waiting_for_dbs_to_close_ && open_connections_.IsEmpty())
     base::MessageLoop::current()->Quit();
 }
 
 }  // namespace storage