Make WebTraceLocation be an alias of tracked_objects::Location

components/scheduler/child/webthread_base.cc

 // Copyright 2014 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.
 
 // An implementation of WebThread in terms of base::MessageLoop and
 // base::Thread
 
 #include "components/scheduler/child/webthread_base.h"
 
 #include "base/bind.h"
@@ skipping 65 matching lines @@
 // static
 void WebThreadBase::RunWebThreadIdleTask(
     std::unique_ptr<blink::WebThread::IdleTask> idle_task,
     base::TimeTicks deadline) {
   idle_task->run((deadline - base::TimeTicks()).InSecondsF());
 }
 
 void WebThreadBase::postIdleTask(const blink::WebTraceLocation& web_location,
                                  IdleTask* idle_task) {
   tracked_objects::Location location(web_location.functionName(),
-                                     web_location.fileName(), -1, nullptr);
+                                     web_location.fileName(),
+                                     web_location.lineNumber(),
+                                     web_location.programCounter());
   GetIdleTaskRunner()->PostIdleTask(
       location, base::Bind(&WebThreadBase::RunWebThreadIdleTask,
                            base::Passed(base::WrapUnique(idle_task))));
 }
 
 void WebThreadBase::postIdleTaskAfterWakeup(
     const blink::WebTraceLocation& web_location,
     IdleTask* idle_task) {
   tracked_objects::Location location(web_location.functionName(),
-                                     web_location.fileName(), -1, nullptr);
+                                     web_location.fileName(),
+                                     web_location.lineNumber(),
+                                     web_location.programCounter());
   GetIdleTaskRunner()->PostIdleTaskAfterWakeup(
       location, base::Bind(&WebThreadBase::RunWebThreadIdleTask,
                            base::Passed(base::WrapUnique(idle_task))));
 }
 
 bool WebThreadBase::isCurrentThread() const {
   return GetTaskRunner()->BelongsToCurrentThread();
 }
 
 }  // namespace scheduler