Deleted OS_WIN and all Windows specific files from base.

base/threading/worker_pool_win.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 "base/threading/worker_pool.h"
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/logging.h"
-#include "base/pending_task.h"
-#include "base/threading/thread_local.h"
-#include "base/trace_event/trace_event.h"
-#include "base/tracked_objects.h"
-
-namespace base {
-
-namespace {
-
-base::LazyInstance<ThreadLocalBoolean>::Leaky
-    g_worker_pool_running_on_this_thread = LAZY_INSTANCE_INITIALIZER;
-
-DWORD CALLBACK WorkItemCallback(void* param) {
-  PendingTask* pending_task = static_cast<PendingTask*>(param);
-  TRACE_EVENT2("toplevel", "WorkItemCallback::Run",
-               "src_file", pending_task->posted_from.file_name(),
-               "src_func", pending_task->posted_from.function_name());
-
-  g_worker_pool_running_on_this_thread.Get().Set(true);
-
-  tracked_objects::TaskStopwatch stopwatch;
-  stopwatch.Start();
-  pending_task->task.Run();
-  stopwatch.Stop();
-
-  g_worker_pool_running_on_this_thread.Get().Set(false);
-
-  tracked_objects::ThreadData::TallyRunOnWorkerThreadIfTracking(
-      pending_task->birth_tally, pending_task->time_posted, stopwatch);
-
-  delete pending_task;
-  return 0;
-}
-
-// Takes ownership of |pending_task|
-bool PostTaskInternal(PendingTask* pending_task, bool task_is_slow) {
-  ULONG flags = 0;
-  if (task_is_slow)
-    flags |= WT_EXECUTELONGFUNCTION;
-
-  if (!QueueUserWorkItem(WorkItemCallback, pending_task, flags)) {
-    DPLOG(ERROR) << "QueueUserWorkItem failed";
-    delete pending_task;
-    return false;
-  }
-
-  return true;
-}
-
-}  // namespace
-
-// static
-bool WorkerPool::PostTask(const tracked_objects::Location& from_here,
-                          const base::Closure& task, bool task_is_slow) {
-  PendingTask* pending_task = new PendingTask(from_here, task);
-  return PostTaskInternal(pending_task, task_is_slow);
-}
-
-// static
-bool WorkerPool::RunsTasksOnCurrentThread() {
-  return g_worker_pool_running_on_this_thread.Get().Get();
-}
-
-}  // namespace base