content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/browser/fileapi/local_file_stream_writer_unittest.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 "storage/browser/fileapi/local_file_stream_writer.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/threading/thread.h"
 #include "net/base/io_buffer.h"
 #include "net/base/test_completion_callback.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using storage::FileStreamWriter;
 using storage::LocalFileStreamWriter;
 
 namespace content {
 
@@ skipping 44 matching lines @@
     return content;
   }
 
   base::FilePath CreateFileWithContent(const std::string& name,
                                  const std::string& data) {
     base::FilePath path = Path(name);
     base::WriteFile(path, data.c_str(), data.size());
     return path;
   }
 
-  base::MessageLoopProxy* file_task_runner() const {
-    return file_thread_.message_loop_proxy().get();
+  base::SingleThreadTaskRunner* file_task_runner() const {
+    return file_thread_.task_runner().get();
   }
 
   LocalFileStreamWriter* CreateWriter(const base::FilePath& path,
                                       int64 offset) {
     return new LocalFileStreamWriter(file_task_runner(), path, offset,
         FileStreamWriter::OPEN_EXISTING_FILE);
   }
 
  private:
   base::MessageLoopForIO message_loop_;
@@ skipping 79 matching lines @@
       writer->Write(buffer.get(), buffer->size(), base::Bind(&NeverCalled));
   ASSERT_EQ(net::ERR_IO_PENDING, result);
 
   net::TestCompletionCallback callback;
   writer->Cancel(callback.callback());
   int cancel_result = callback.WaitForResult();
   EXPECT_EQ(net::OK, cancel_result);
 }
 
 }  // namespace content