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

third_party/WebKit/public/platform/scheduler/test/fake_renderer_scheduler.h

 // 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.
 
 #ifndef THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_TEST_FAKE_RENDERER_SCHEDULER_H_
 #define THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_TEST_FAKE_RENDERER_SCHEDULER_H_
 
 #include "base/macros.h"
 #include "public/platform/scheduler/renderer/renderer_scheduler.h"
 
 namespace blink {
 namespace scheduler {
 
 class FakeRendererScheduler : public RendererScheduler {
  public:
   FakeRendererScheduler();
   ~FakeRendererScheduler() override;
 
   // RendererScheduler implementation.
   std::unique_ptr<WebThread> CreateMainThread() override;
-  scoped_refptr<TaskQueue> DefaultTaskRunner() override;
-  scoped_refptr<TaskQueue> CompositorTaskRunner() override;
-  scoped_refptr<TaskQueue> LoadingTaskRunner() override;
+  scoped_refptr<base::SingleThreadTaskRunner> DefaultTaskRunner() override;
+  scoped_refptr<base::SingleThreadTaskRunner> CompositorTaskRunner() override;
+  scoped_refptr<base::SingleThreadTaskRunner> LoadingTaskRunner() override;
   scoped_refptr<SingleThreadIdleTaskRunner> IdleTaskRunner() override;
-  scoped_refptr<TaskQueue> TimerTaskRunner() override;
-  scoped_refptr<TaskQueue> NewLoadingTaskRunner(
-      TaskQueue::QueueType queue_type) override;
-  scoped_refptr<TaskQueue> NewTimerTaskRunner(
-      TaskQueue::QueueType queue_type) override;
-  scoped_refptr<TaskQueue> NewUnthrottledTaskRunner(
-      TaskQueue::QueueType queue_type) override;
+  scoped_refptr<base::SingleThreadTaskRunner> TimerTaskRunner() override;
   std::unique_ptr<RenderWidgetSchedulingState> NewRenderWidgetSchedulingState()
       override;
   void WillBeginFrame(const cc::BeginFrameArgs& args) override;
   void BeginFrameNotExpectedSoon() override;
   void DidCommitFrameToCompositor() override;
   void DidHandleInputEventOnCompositorThread(
       const WebInputEvent& web_input_event,
       InputEventState event_state) override;
   void DidHandleInputEventOnMainThread(const WebInputEvent& web_input_event,
                                        WebInputEventResult result) override;
@@ skipping 22 matching lines @@
       base::TimeDelta main_thread_responsiveness_threshold) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeRendererScheduler);
 };
 
 }  // namespace scheduler
 }  // namespace blink
 
 #endif  // THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_TEST_FAKE_RENDERER_SCHEDULER_H_