android: Remove in-process sync compositor code path

content/browser/android/in_process/synchronous_compositor_factory_impl.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 CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_
-#define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_
-
-#include "base/synchronization/lock.h"
-#include "cc/blink/context_provider_web_context.h"
-#include "content/browser/android/in_process/synchronous_input_event_filter.h"
-#include "content/common/gpu/client/command_buffer_metrics.h"
-#include "content/renderer/android/synchronous_compositor_factory.h"
-
-namespace content {
-
-class SynchronousCompositorFactoryImpl : public SynchronousCompositorFactory {
- public:
-  SynchronousCompositorFactoryImpl();
-  ~SynchronousCompositorFactoryImpl() override;
-
-  // SynchronousCompositorFactory
-  scoped_refptr<base::SingleThreadTaskRunner> GetCompositorTaskRunner()
-      override;
-  std::unique_ptr<cc::OutputSurface> CreateOutputSurface(
-      int routing_id,
-      uint32_t output_surface_id,
-      const scoped_refptr<FrameSwapMessageQueue>& frame_swap_message_queue,
-      const scoped_refptr<cc::ContextProvider>& onscreen_context,
-      const scoped_refptr<cc::ContextProvider>& worker_context) override;
-  InputHandlerManagerClient* GetInputHandlerManagerClient() override;
-  SynchronousInputHandlerProxyClient* GetSynchronousInputHandlerProxyClient()
-      override;
-  std::unique_ptr<cc::BeginFrameSource> CreateExternalBeginFrameSource(
-      int routing_id) override;
-
-  SynchronousInputEventFilter* synchronous_input_event_filter() {
-    return &synchronous_input_event_filter_;
-  }
-
- private:
-  SynchronousInputEventFilter synchronous_input_event_filter_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_