[storage] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

storage/browser/database/database_tracker.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/browser/database/database_tracker.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/net_errors.h"
 #include "sql/connection.h"
 #include "sql/meta_table.h"
 #include "sql/transaction.h"
 #include "storage/browser/database/database_quota_client.h"
 #include "storage/browser/database/database_util.h"
 #include "storage/browser/database/databases_table.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
@@ skipping 51 matching lines @@
 }
 
 OriginInfo::OriginInfo(const std::string& origin_identifier, int64 total_size)
     : origin_identifier_(origin_identifier), total_size_(total_size) {}
 
 DatabaseTracker::DatabaseTracker(
     const base::FilePath& profile_path,
     bool is_incognito,
     storage::SpecialStoragePolicy* special_storage_policy,
     storage::QuotaManagerProxy* quota_manager_proxy,
-    base::MessageLoopProxy* db_tracker_thread)
+    base::SingleThreadTaskRunner* db_tracker_thread)
     : is_initialized_(false),
       is_incognito_(is_incognito),
       force_keep_session_state_(false),
       shutting_down_(false),
       profile_path_(profile_path),
       db_dir_(is_incognito_
                   ? profile_path_.Append(kIncognitoDatabaseDirectoryName)
                   : profile_path_.Append(kDatabaseDirectoryName)),
       db_(new sql::Connection()),
       special_storage_policy_(special_storage_policy),
@@ skipping 762 matching lines @@
   if (!db_tracker_thread_->BelongsToCurrentThread()) {
     db_tracker_thread_->PostTask(
         FROM_HERE,
         base::Bind(&DatabaseTracker::SetForceKeepSessionState, this));
     return;
   }
   force_keep_session_state_ = true;
 }
 
 }  // namespace storage