[tracing] Adding task information to heap profiler

base/threading/worker_pool_win.cc

Index: base/threading/worker_pool_win.cc
diff --git a/base/threading/worker_pool_win.cc b/base/threading/worker_pool_win.cc
index 1b0ade5e244c9495570a126b00c080c53943a6ae..575caaa6ba803079b4b37991de26026934682c0b 100644
--- a/base/threading/worker_pool_win.cc
+++ b/base/threading/worker_pool_win.cc
@@ -21,9 +21,7 @@ base::LazyInstance<ThreadLocalBoolean>::Leaky
 
 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());
+  TRACE_TASK_EXECUTION("WorkerThread::ThreadMain::Run", *pending_task);
 
   g_worker_pool_running_on_this_thread.Get().Set(true);