Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/fileapi/sandbox_file_system_backend_unittest.cc

 // Copyright 2013 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/sandbox_file_system_backend.h"
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "base/run_loop.h"
-#include "base/thread_task_runner_handle.h"
 #include "content/public/test/test_file_system_options.h"
 #include "storage/browser/fileapi/file_system_backend.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "storage/browser/fileapi/sandbox_file_system_backend_delegate.h"
 #include "storage/common/fileapi/file_system_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 using storage::FileSystemURL;
 using storage::SandboxFileSystemBackend;
@@ skipping 47 matching lines @@
 class SandboxFileSystemBackendTest : public testing::Test {
  protected:
   void SetUp() override {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     SetUpNewDelegate(CreateAllowFileAccessOptions());
   }
 
   void SetUpNewDelegate(const storage::FileSystemOptions& options) {
     delegate_.reset(new SandboxFileSystemBackendDelegate(
         NULL /* quota_manager_proxy */,
-        base::ThreadTaskRunnerHandle::Get().get(), data_dir_.path(),
-        NULL /* special_storage_policy */, options));
+        base::MessageLoopProxy::current().get(),
+        data_dir_.path(),
+        NULL /* special_storage_policy */,
+        options));
   }
 
   void SetUpNewBackend(const storage::FileSystemOptions& options) {
     SetUpNewDelegate(options);
     backend_.reset(new SandboxFileSystemBackend(delegate_.get()));
   }
 
   storage::SandboxFileSystemBackendDelegate::OriginEnumerator*
   CreateOriginEnumerator() const {
     return backend_->CreateOriginEnumerator();
@@ skipping 207 matching lines @@
                             storage::OPEN_FILE_SYSTEM_CREATE_IF_NONEXISTENT,
                             &root_path));
     base::FilePath expected = file_system_path().AppendASCII(
         kRootPathFileURITestCases[i].expected_path);
     EXPECT_EQ(expected.value(), root_path.value());
     EXPECT_TRUE(base::DirectoryExists(root_path));
   }
 }
 
 }  // namespace content