Removes MessageLoop::TYPE_XXX where possible

base/files/file_util_proxy_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/files/file_util_proxy.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/platform_file.h"
 #include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 class FileUtilProxyTest : public testing::Test {
  public:
   FileUtilProxyTest()
-      : message_loop_(MessageLoop::TYPE_IO),
-        file_thread_("FileUtilProxyTestFileThread"),
+      : file_thread_("FileUtilProxyTestFileThread"),
         error_(PLATFORM_FILE_OK),
         created_(false),
         file_(kInvalidPlatformFileValue),
         bytes_written_(-1),
         weak_factory_(this) {}
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(dir_.CreateUniqueTempDir());
     ASSERT_TRUE(file_thread_.Start());
   }
@@ skipping 60 matching lines @@
     EXPECT_NE(kInvalidPlatformFileValue, file_);
     return file_;
   }
 
   TaskRunner* file_task_runner() const {
     return file_thread_.message_loop_proxy().get();
   }
   const FilePath& test_dir_path() const { return dir_.path(); }
   const FilePath test_path() const { return dir_.path().AppendASCII("test"); }
 
-  MessageLoop message_loop_;
+  MessageLoopForIO message_loop_;
   Thread file_thread_;
 
   ScopedTempDir dir_;
   PlatformFileError error_;
   bool created_;
   PlatformFile file_;
   FilePath path_;
   PlatformFileInfo file_info_;
   std::vector<char> buffer_;
   int bytes_written_;
@@ skipping 285 matching lines @@
   char buffer[53];
   EXPECT_EQ(53, base::ReadFile(test_path(), buffer, 53));
   int i = 0;
   for (; i < 10; ++i)
     EXPECT_EQ(kTestData[i], buffer[i]);
   for (; i < 53; ++i)
     EXPECT_EQ(0, buffer[i]);
 }
 
 }  // namespace base