1 files changed, 73 insertions, 0 deletions
diff --git a/chromium/base/threading/worker_pool_win.cc b/chromium/base/threading/worker_pool_win.cc
new file mode 100644
index 00000000000..c27010fb12f
--- /dev/null
+++ b/chromium/base/threading/worker_pool_win.cc
@@ -0,0 +1,73 @@
+// 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/debug/trace_event.h"
+#include "base/logging.h"
+#include "base/pending_task.h"
+#include "base/threading/thread_local.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("task", "WorkItemCallback::Run",
+               "src_file", pending_task->posted_from.file_name(),
+               "src_func", pending_task->posted_from.function_name());
+
+  tracked_objects::TrackedTime start_time =
+      tracked_objects::ThreadData::NowForStartOfRun(pending_task->birth_tally);
+
+  g_worker_pool_running_on_this_thread.Get().Set(true);
+  pending_task->task.Run();
+  g_worker_pool_running_on_this_thread.Get().Set(false);
+
+  tracked_objects::ThreadData::TallyRunOnWorkerThreadIfTracking(
+      pending_task->birth_tally,
+      tracked_objects::TrackedTime(pending_task->time_posted), start_time,
+      tracked_objects::ThreadData::NowForEndOfRun());
+
+  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)) {
+    DLOG_GETLASTERROR(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