Keep only base/extractor.[cc|h].

base/synchronized_unittest.cc

-// Copyright 2003-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#include "omaha/base/synchronized.h"
-#include "omaha/testing/unit_test.h"
-
-namespace omaha {
-
-TEST(LLockTest, GetOwner) {
-  LLock lock;
-
-  EXPECT_EQ(0, lock.GetOwner());
-
-  EXPECT_TRUE(lock.Lock());
-  EXPECT_EQ(::GetCurrentThreadId(), lock.GetOwner());
-
-  EXPECT_TRUE(lock.Unlock());
-  EXPECT_EQ(0, lock.GetOwner());
-}
-
-}  // namespace omaha
-