Allow task tracing in official chrome.

We have had various bug reports where it would have been helpful to see tasks in about:tracing reports.

R=jar


Review URL: http://codereview.chromium.org/9405034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@123293 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: e8df8be707a00b7592cbd614e6f84bd9af81449a
diff --git a/base/message_loop.cc b/base/message_loop.cc
index aa04f45..13b0bb6 100644
--- a/base/message_loop.cc
+++ b/base/message_loop.cc
@@ -432,9 +432,9 @@
 }
 
 void MessageLoop::RunTask(const PendingTask& pending_task) {
-  UNSHIPPED_TRACE_EVENT2("task", "MessageLoop::RunTask",
-                         "src_file", pending_task.posted_from.file_name(),
-                         "src_func", pending_task.posted_from.function_name());
+  TRACE_EVENT2("task", "MessageLoop::RunTask",
+               "src_file", pending_task.posted_from.file_name(),
+               "src_func", pending_task.posted_from.function_name());
   DCHECK(nestable_tasks_allowed_);
   // Execute the task and assume the worst: It is probably not reentrant.
   nestable_tasks_allowed_ = false;