Make WebTraceLocation be an alias of tracked_objects::Location

components/scheduler/child/web_task_runner_impl.cc

Index: components/scheduler/child/web_task_runner_impl.cc
diff --git a/components/scheduler/child/web_task_runner_impl.cc b/components/scheduler/child/web_task_runner_impl.cc
index 922ca4a95ed81793f7c6b432c13549c611d3d8bb..8ffe3436d899744524ef4f30b6d21b7fa837ac59 100644
--- a/components/scheduler/child/web_task_runner_impl.cc
+++ b/components/scheduler/child/web_task_runner_impl.cc
@@ -20,7 +20,9 @@ WebTaskRunnerImpl::~WebTaskRunnerImpl() {}
 void WebTaskRunnerImpl::postTask(const blink::WebTraceLocation& web_location,
                                  blink::WebTaskRunner::Task* task) {
   tracked_objects::Location location(web_location.functionName(),
-                                     web_location.fileName(), -1, nullptr);
+                                     web_location.fileName(),
+                                     web_location.lineNumber(),
+                                     web_location.programCounter());
   task_queue_->PostTask(
       location,
       base::Bind(
@@ -34,7 +36,9 @@ void WebTaskRunnerImpl::postDelayedTask(
     double delayMs) {
   DCHECK_GE(delayMs, 0.0);
   tracked_objects::Location location(web_location.functionName(),
-                                     web_location.fileName(), -1, nullptr);
+                                     web_location.fileName(),
+                                     web_location.lineNumber(),
+                                     web_location.programCounter());
   task_queue_->PostDelayedTask(
       location,
       base::Bind(