[Sync] Simplify GetSessionName interface

chrome/browser/sync/util/get_session_name_task_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 <string>
-
-#include "chrome/browser/sync/util/get_session_name_task.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace browser_sync {
-
-typedef testing::Test SyncGetSessionNameTaskTest;
-
-#if defined(OS_WIN)
-// The test is somewhat silly, and just verifies that we return a computer name.
-TEST_F(SyncGetSessionNameTaskTest, GetComputerName) {
-  std::string computer_name = GetSessionNameTask::GetComputerName();
-  EXPECT_TRUE(!computer_name.empty());
-}
-#endif
-
-#if defined(OS_MACOSX)
-// The test is somewhat silly, and just verifies that we return a hardware
-// model name.
-TEST_F(SyncGetSessionNameTaskTest, GetHardwareModelName) {
-  std::string hardware_model = GetSessionNameTask::GetHardwareModelName();
-  EXPECT_TRUE(!hardware_model.empty());
-}
-#endif
-
-}