CL for testing on Win.

base/threading/sequenced_worker_pool.cc

Index: base/threading/sequenced_worker_pool.cc
diff --git a/base/threading/sequenced_worker_pool.cc b/base/threading/sequenced_worker_pool.cc
index 24a07511a9847a4faba4dc855470cbda3fbb347b..51075e113e71410de0ccd31f991fdbd7ee954427 100644
--- a/base/threading/sequenced_worker_pool.cc
+++ b/base/threading/sequenced_worker_pool.cc
@@ -810,6 +810,38 @@ void SequencedWorkerPool::Inner::ThreadLoop(Worker* this_worker) {
             TRACE_EVENT_FLAG_FLOW_IN,
             "src_file", task.posted_from.file_name(),
             "src_func", task.posted_from.function_name());
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_EVENT_WITH_FLOW2(TRACE_DISABLED_BY_DEFAULT("toplevel.flow"),
+            "SequencedWorkerPool::Inner::ThreadLoop",
+            TRACE_ID_MANGLE(GetTaskTraceID(task, static_cast<void*>(this))),
+            TRACE_EVENT_FLAG_FLOW_OUT,
+            "src_file", task.posted_from.file_name(),
+            "src_func", task.posted_from.function_name());
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_EVENT_WITH_FLOW2(TRACE_DISABLED_BY_DEFAULT("toplevel.flow"),
+            "SequencedWorkerPool::Inner::ThreadLoop",
+            TRACE_ID_MANGLE(GetTaskTraceID(task, static_cast<void*>(this))),
+            TRACE_EVENT_FLAG_FLOW_IN,
+            "src_file", task.posted_from.file_name(),
+            "src_func", task.posted_from.function_name());
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_EVENT_WITH_FLOW2(TRACE_DISABLED_BY_DEFAULT("toplevel.flow"),
+            "SequencedWorkerPool::Inner::ThreadLoop",
+            TRACE_ID_MANGLE(GetTaskTraceID(task, static_cast<void*>(this))),
+            TRACE_EVENT_FLAG_FLOW_OUT,
+            "src_file", task.posted_from.file_name(),
+            "src_func", task.posted_from.function_name());
+        TRACE_TASK_EXECUTION("SequencedWorkerPool::Inner::ThreadLoop", task);
+        TRACE_EVENT_WITH_FLOW2(TRACE_DISABLED_BY_DEFAULT("toplevel.flow"),
+            "SequencedWorkerPool::Inner::ThreadLoop",
+            TRACE_ID_MANGLE(GetTaskTraceID(task, static_cast<void*>(this))),
+            TRACE_EVENT_FLAG_FLOW_IN,
+            "src_file", task.posted_from.file_name(),
+            "src_func", task.posted_from.function_name());
         int new_thread_id = WillRunWorkerTask(task);
         {
           AutoUnlock unlock(lock_);