Revert of Redirect the MessageLoop's task runner to the renderer scheduler

components/scheduler/child/task_queue_manager_perftest.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/task_queue_manager.h"
 
 #include "base/bind.h"
 #include "base/threading/thread.h"
-#include "components/scheduler/child/scheduler_task_runner_delegate_impl.h"
+#include "components/scheduler/child/scheduler_message_loop_delegate.h"
 #include "components/scheduler/child/task_queue_selector.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/perf/perf_test.h"
 
 namespace scheduler {
 
 namespace {
 
 class SelectorForTest : public TaskQueueSelector {
  public:
@@ skipping 41 matching lines @@
         max_tasks_in_flight_(0),
         num_tasks_in_flight_(0),
         num_tasks_to_post_(0),
         num_tasks_to_run_(0) {}
 
   void Initialize(size_t num_queues) {
     num_queues_ = num_queues;
     message_loop_.reset(new base::MessageLoop());
     selector_ = make_scoped_ptr(new SelectorForTest);
     manager_ = make_scoped_ptr(new TaskQueueManager(
-        num_queues,
-        SchedulerTaskRunnerDelegateImpl::Create(message_loop_.get()),
+        num_queues, SchedulerMessageLoopDelegate::Create(message_loop_.get()),
         selector_.get(), "fake.category", "fake.category.debug"));
   }
 
   void TestDelayedTask() {
     if (--num_tasks_to_run_ == 0) {
       message_loop_->Quit();
     }
 
     num_tasks_in_flight_--;
     // NOTE there are only up to max_tasks_in_flight_ pending delayed tasks at
@@ skipping 84 matching lines @@
   max_tasks_in_flight_ = 200;
   Benchmark("run 10000 delayed tasks with eight queues",
             base::Bind(&TaskQueueManagerPerfTest::ResetAndCallTestDelayedTask,
                        base::Unretained(this), 10000));
 }
 
 // TODO(alexclarke): Add additional tests with different mixes of non-delayed vs
 // delayed tasks.
 
 }  // namespace scheduler