Make MediaFileUtil run on thread pool.

webkit/fileapi/file_system_quota_client_unittest.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 "base/bind.h"
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/platform_file.h"
@@ skipping 31 matching lines @@
         additional_callback_count_(0),
         deletion_status_(quota::kQuotaStatusUnknown) {
   }
 
   void SetUp() {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     file_system_context_ =
         new FileSystemContext(
             base::MessageLoopProxy::current(),
             base::MessageLoopProxy::current(),
+            base::MessageLoopProxy::current(),
             NULL, NULL,
             data_dir_.path(),
             CreateDisallowFileAccessOptions());
   }
 
   struct TestFile {
     bool isDirectory;
     const char* name;
     int64 size;
     const char* origin_url;
@@ skipping 517 matching lines @@
             GetOriginUsage(quota_client.get(),
                            "https://bar.com/",
                            kPersistent));
   EXPECT_EQ(64 + file_paths_cost_temporary_bar_https,
             GetOriginUsage(quota_client.get(),
                            "https://bar.com/",
                            kTemporary));
 }
 
 }  // namespace fileapi