Move unit tests to test/unittests.

src/libplatform/worker-thread-unittest.cc

-// Copyright 2014 the V8 project 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 "include/v8-platform.h"
-#include "src/libplatform/task-queue.h"
-#include "src/libplatform/worker-thread.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-using testing::InSequence;
-using testing::IsNull;
-using testing::StrictMock;
-
-namespace v8 {
-namespace platform {
-
-namespace {
-
-struct MockTask : public Task {
-  virtual ~MockTask() { Die(); }
-  MOCK_METHOD0(Run, void());
-  MOCK_METHOD0(Die, void());
-};
-
-}  // namespace
-
-
-TEST(WorkerThreadTest, Basic) {
-  static const size_t kNumTasks = 10;
-
-  TaskQueue queue;
-  for (size_t i = 0; i < kNumTasks; ++i) {
-    InSequence s;
-    StrictMock<MockTask>* task = new StrictMock<MockTask>;
-    EXPECT_CALL(*task, Run());
-    EXPECT_CALL(*task, Die());
-    queue.Append(task);
-  }
-
-  WorkerThread thread1(&queue);
-  WorkerThread thread2(&queue);
-
-  // TaskQueue DCHECKS that it's empty in its destructor.
-  queue.Terminate();
-}
-
-}  // namespace platform
-}  // namespace v8