[scheduler] Remove blink::scheduler::TaskQueue from public API.

third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.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 "platform/scheduler/renderer/task_queue_throttler.h"
 
 #include <cstdint>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
@@ skipping 57 matching lines @@
   return base::StringPrintf(
       "0x%" PRIx64,
       static_cast<uint64_t>(reinterpret_cast<uintptr_t>(pointer)));
 }
 
 }  // namespace
 
 TaskQueueThrottler::TaskQueueThrottler(
     RendererSchedulerImpl* renderer_scheduler,
     const char* tracing_category)
-    : task_runner_(renderer_scheduler->ControlTaskRunner()),
+    : task_runner_(renderer_scheduler->ControlTaskQueue()),
       renderer_scheduler_(renderer_scheduler),
       tick_clock_(renderer_scheduler->tick_clock()),
       tracing_category_(tracing_category),
       time_domain_(new ThrottledTimeDomain(tracing_category)),
       allow_throttling_(true),
       weak_factory_(this) {
   pump_throttled_tasks_closure_.Reset(base::Bind(
       &TaskQueueThrottler::PumpThrottledTasks, weak_factory_.GetWeakPtr()));
   forward_immediate_work_callback_ =
       base::Bind(&TaskQueueThrottler::OnQueueNextWakeUpChanged,
@@ skipping 395 matching lines @@
     queue->InsertFence(TaskQueue::InsertFencePosition::BEGINNING_OF_TIME);
     queue->SetTimeDomain(time_domain_.get());
     SchedulePumpQueue(FROM_HERE, lazy_now.Now(), queue);
   }
 
   TRACE_EVENT0(tracing_category_, "TaskQueueThrottler_EnableThrottling");
 }
 
 }  // namespace scheduler
 }  // namespace blink