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

content/browser/fileapi/sandbox_file_system_backend_delegate_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_delegate.h"
 
 #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/thread_task_runner_handle.h"
+#include "base/message_loop/message_loop.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "content/public/test/test_file_system_options.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 using storage::FileSystemURL;
 
 namespace content {
 
 namespace {
 
 FileSystemURL CreateFileSystemURL(const char* path) {
   const GURL kOrigin("http://foo/");
   return storage::FileSystemURL::CreateForTest(
       kOrigin,
       storage::kFileSystemTypeTemporary,
       base::FilePath::FromUTF8Unsafe(path));
 }
 
 }  // namespace
 
 class SandboxFileSystemBackendDelegateTest : public testing::Test {
  protected:
   void SetUp() override {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     delegate_.reset(new storage::SandboxFileSystemBackendDelegate(
         NULL /* quota_manager_proxy */,
-        base::ThreadTaskRunnerHandle::Get().get(), data_dir_.path(),
-        NULL /* special_storage_policy */, CreateAllowFileAccessOptions()));
+        base::MessageLoopProxy::current().get(),
+        data_dir_.path(),
+        NULL /* special_storage_policy */,
+        CreateAllowFileAccessOptions()));
   }
 
   bool IsAccessValid(const FileSystemURL& url) const {
     return delegate_->IsAccessValid(url);
   }
 
   base::ScopedTempDir data_dir_;
   base::MessageLoop message_loop_;
   scoped_ptr<storage::SandboxFileSystemBackendDelegate> delegate_;
 };
@@ skipping 27 matching lines @@
   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(" .")));
   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(". ")));
   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("b.")));
   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(".b")));
 
   // A path that looks like a drive letter.
   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("c:")));
 }
 
 }  // namespace content