Revert "Use MojoCompositorFrameSink in RendererCompositorFrameSink"

content/test/fake_renderer_compositor_frame_sink.cc

-// Copyright 2017 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 "content/test/fake_renderer_compositor_frame_sink.h"
-
-namespace content {
-
-FakeRendererCompositorFrameSink::FakeRendererCompositorFrameSink(
-    cc::mojom::MojoCompositorFrameSinkPtr sink,
-    cc::mojom::MojoCompositorFrameSinkClientRequest request)
-    : binding_(this, std::move(request)), sink_(std::move(sink)) {}
-
-FakeRendererCompositorFrameSink::~FakeRendererCompositorFrameSink() = default;
-
-void FakeRendererCompositorFrameSink::DidReceiveCompositorFrameAck(
-    const cc::ReturnedResourceArray& resources) {
-  ReclaimResources(resources);
-  did_receive_ack_ = true;
-}
-
-void FakeRendererCompositorFrameSink::ReclaimResources(
-    const cc::ReturnedResourceArray& resources) {
-  last_reclaimed_resources_ = resources;
-}
-
-void FakeRendererCompositorFrameSink::Reset() {
-  did_receive_ack_ = false;
-  last_reclaimed_resources_.clear();
-}
-
-void FakeRendererCompositorFrameSink::Flush() {
-  binding_.FlushForTesting();
-}
-
-}  // namespace content