Use ThreadData::Now() for TrackingInfo::time_posted initialization

content/renderer/scheduler/task_queue_manager.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.
 
 #include "content/renderer/scheduler/task_queue_manager.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
 #include "content/renderer/scheduler/task_queue_selector.h"
@@ skipping 213 matching lines @@
 
 // static
 void TaskQueue::TaskAsValueInto(const base::PendingTask& task,
                                 base::debug::TracedValue* state) {
   state->BeginDictionary();
   state->SetString("posted_from", task.posted_from.ToString());
   state->SetInteger("sequence_num", task.sequence_num);
   state->SetBoolean("nestable", task.nestable);
   state->SetBoolean("is_high_res", task.is_high_res);
   state->SetDouble(
-      "time_posted",
-      (task.time_posted - base::TimeTicks()).InMicroseconds() / 1000.0L);
-  state->SetDouble(
       "delayed_run_time",
       (task.delayed_run_time - base::TimeTicks()).InMicroseconds() / 1000.0L);
   state->EndDictionary();
 }
 
 }  // namespace internal
 
 TaskQueueManager::TaskQueueManager(
     size_t task_queue_count,
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
@@ skipping 156 matching lines @@
   state->EndArray();
   state->BeginDictionary("selector");
   selector_->AsValueInto(state.get());
   state->EndDictionary();
   if (should_run)
     state->SetInteger("selected_queue", selected_queue);
   return state;
 }
 
 }  // namespace content