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

third_party/WebKit/Source/platform/scheduler/child/webthread_impl_for_worker_scheduler.cc

Index: third_party/WebKit/Source/platform/scheduler/child/webthread_impl_for_worker_scheduler.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/child/webthread_impl_for_worker_scheduler.cc b/third_party/WebKit/Source/platform/scheduler/child/webthread_impl_for_worker_scheduler.cc
index 7ecd037c9306cabcf4068b644f368b4d84e5d8e0..7d3e499448ad8b1f604ad3072d69161e467b2d33 100644
--- a/third_party/WebKit/Source/platform/scheduler/child/webthread_impl_for_worker_scheduler.cc
+++ b/third_party/WebKit/Source/platform/scheduler/child/webthread_impl_for_worker_scheduler.cc
@@ -10,7 +10,7 @@
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/time/default_tick_clock.h"
-#include "public/platform/scheduler/base/task_queue.h"
+#include "platform/scheduler/base/task_queue.h"
 #include "platform/scheduler/child/scheduler_tqm_delegate_impl.h"
 #include "platform/scheduler/child/web_scheduler_impl.h"
 #include "platform/scheduler/child/web_task_runner_impl.h"
@@ -64,12 +64,12 @@ void WebThreadImplForWorkerScheduler::InitOnThread(
   // main thread?
   worker_scheduler_ = CreateWorkerScheduler();
   worker_scheduler_->Init();
-  task_runner_ = worker_scheduler_->DefaultTaskRunner();
+  task_runner_ = worker_scheduler_->DefaultTaskQueue();
   idle_task_runner_ = worker_scheduler_->IdleTaskRunner();
   web_scheduler_.reset(new WebSchedulerImpl(
       worker_scheduler_.get(), worker_scheduler_->IdleTaskRunner(),
-      worker_scheduler_->DefaultTaskRunner(),
-      worker_scheduler_->DefaultTaskRunner()));
+      worker_scheduler_->DefaultTaskQueue(),
+      worker_scheduler_->DefaultTaskQueue()));
   base::MessageLoop::current()->AddDestructionObserver(this);
   web_task_runner_ = WebTaskRunnerImpl::Create(task_runner_);
   completion->Signal();