Make WebTraceLocation be an alias of tracked_objects::Location

components/scheduler/child/web_scheduler_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_scheduler_impl.h"
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
 #include "components/scheduler/child/web_task_runner_impl.h"
 #include "components/scheduler/child/worker_scheduler.h"
@@ skipping 32 matching lines @@
     std::unique_ptr<blink::WebThread::IdleTask> task,
     base::TimeTicks deadline) {
   task->run((deadline - base::TimeTicks()).InSecondsF());
 }
 
 void WebSchedulerImpl::postIdleTask(const blink::WebTraceLocation& web_location,
                                     blink::WebThread::IdleTask* task) {
   DCHECK(idle_task_runner_);
   std::unique_ptr<blink::WebThread::IdleTask> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
-                                     web_location.fileName(), -1, nullptr);
+                                     web_location.fileName(),
+                                     web_location.lineNumber(),
+                                     web_location.programCounter());

[kinuko, 2016/07/14 05:51:14]

Why don't we just have operator tracked_objects::Location for WebLocation? (Like
what we have for string16 <-> WebString)

[tzik, 2016/07/14 07:51:06]

Done.

   idle_task_runner_->PostIdleTask(
       location,
       base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
 }
 
 void WebSchedulerImpl::postNonNestableIdleTask(
     const blink::WebTraceLocation& web_location,
     blink::WebThread::IdleTask* task) {
   DCHECK(idle_task_runner_);
   std::unique_ptr<blink::WebThread::IdleTask> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
-                                     web_location.fileName(), -1, nullptr);
+                                     web_location.fileName(),
+                                     web_location.lineNumber(),
+                                     web_location.programCounter());
   idle_task_runner_->PostNonNestableIdleTask(
       location,
       base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
 }
 
 void WebSchedulerImpl::postIdleTaskAfterWakeup(
     const blink::WebTraceLocation& web_location,
     blink::WebThread::IdleTask* task) {
   DCHECK(idle_task_runner_);
   std::unique_ptr<blink::WebThread::IdleTask> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
-                                     web_location.fileName(), -1, nullptr);
+                                     web_location.fileName(),
+                                     web_location.lineNumber(),
+                                     web_location.programCounter());
   idle_task_runner_->PostIdleTaskAfterWakeup(
       location,
       base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
 }
 
 blink::WebTaskRunner* WebSchedulerImpl::loadingTaskRunner() {
   return loading_web_task_runner_.get();
 }
 
 blink::WebTaskRunner* WebSchedulerImpl::timerTaskRunner() {
   return timer_web_task_runner_.get();
 }
 
 std::unique_ptr<blink::WebViewScheduler>
 WebSchedulerImpl::createWebViewScheduler(blink::WebView*) {
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace scheduler