Convert offscreen canvas to use FrameSinkManagerHost.

content/browser/renderer_host/offscreen_canvas_surface_factory_impl.cc

-// Copyright 2016 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/browser/renderer_host/offscreen_canvas_surface_factory_impl.h"
-
-#include "base/memory/ptr_util.h"
-#include "cc/surfaces/frame_sink_id.h"
-#include "content/browser/renderer_host/offscreen_canvas_surface_impl.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-
-namespace content {
-
-// static
-void OffscreenCanvasSurfaceFactoryImpl::Create(
-    blink::mojom::OffscreenCanvasSurfaceFactoryRequest request) {
-  mojo::MakeStrongBinding(base::MakeUnique<OffscreenCanvasSurfaceFactoryImpl>(),
-                          std::move(request));
-}
-
-void OffscreenCanvasSurfaceFactoryImpl::CreateOffscreenCanvasSurface(
-    const cc::FrameSinkId& parent_frame_sink_id,
-    const cc::FrameSinkId& frame_sink_id,
-    cc::mojom::FrameSinkManagerClientPtr client,
-    blink::mojom::OffscreenCanvasSurfaceRequest request) {
-  OffscreenCanvasSurfaceImpl::Create(parent_frame_sink_id, frame_sink_id,
-                                     std::move(client), std::move(request));
-}
-
-}  // namespace content