Make WebTraceLocation be an alias of tracked_objects::Location

components/scheduler/child/web_task_runner_impl.cc

 // Copyright 2015 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.
 
 #include "components/scheduler/child/web_task_runner_impl.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "components/scheduler/base/task_queue.h"
 #include "components/scheduler/base/time_domain.h"
 #include "third_party/WebKit/public/platform/WebTraceLocation.h"
 
 namespace scheduler {
 
 WebTaskRunnerImpl::WebTaskRunnerImpl(scoped_refptr<TaskQueue> task_queue)
     : task_queue_(task_queue) {}
 
 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(
           &WebTaskRunnerImpl::runTask,
           base::Passed(std::unique_ptr<blink::WebTaskRunner::Task>(task))));
 }
 
 void WebTaskRunnerImpl::postDelayedTask(
     const blink::WebTraceLocation& web_location,
     blink::WebTaskRunner::Task* task,
     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(
           &WebTaskRunnerImpl::runTask,
           base::Passed(std::unique_ptr<blink::WebTaskRunner::Task>(task))),
       base::TimeDelta::FromMillisecondsD(delayMs));
 }
 
 double WebTaskRunnerImpl::virtualTimeSeconds() const {
   return (Now() - base::TimeTicks::UnixEpoch()).InSecondsF();
@@ skipping 16 matching lines @@
 blink::WebTaskRunner* WebTaskRunnerImpl::clone() {
   return new WebTaskRunnerImpl(task_queue_);
 }
 
 void WebTaskRunnerImpl::runTask(
     std::unique_ptr<blink::WebTaskRunner::Task> task) {
   task->run();
 }
 
 }  // namespace scheduler