Convert offscreen canvas to use FrameSinkManagerHost.

content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.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_compositor_frame_sink.h"
-
-#include "base/memory/ptr_util.h"
-#include "cc/surfaces/surface.h"
-#include "cc/surfaces/surface_manager.h"
-#include "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink_provider_impl.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-
-namespace content {
-
-OffscreenCanvasCompositorFrameSink::OffscreenCanvasCompositorFrameSink(
-    OffscreenCanvasCompositorFrameSinkProviderImpl* provider,
-    const cc::FrameSinkId& frame_sink_id,
-    cc::mojom::MojoCompositorFrameSinkRequest request,
-    cc::mojom::MojoCompositorFrameSinkClientPtr client)
-    : provider_(provider),
-      support_(this,
-               provider->GetSurfaceManager(),
-               frame_sink_id,
-               false /* is_root */,
-               true /* handles_frame_sink_id_invalidation */,
-               true /* needs_sync_points */),
-      client_(std::move(client)),
-      binding_(this, std::move(request)) {
-  binding_.set_connection_error_handler(
-      base::Bind(&OffscreenCanvasCompositorFrameSink::OnClientConnectionLost,
-                 base::Unretained(this)));
-}
-
-OffscreenCanvasCompositorFrameSink::~OffscreenCanvasCompositorFrameSink() {
-  provider_->OnCompositorFrameSinkClientDestroyed(support_.frame_sink_id());
-}
-
-void OffscreenCanvasCompositorFrameSink::SetNeedsBeginFrame(
-    bool needs_begin_frame) {
-  support_.SetNeedsBeginFrame(needs_begin_frame);
-}
-
-void OffscreenCanvasCompositorFrameSink::SubmitCompositorFrame(
-    const cc::LocalSurfaceId& local_surface_id,
-    cc::CompositorFrame frame) {
-  // TODO(samans): This will need to do something similar to
-  // GpuCompositorFrameSink.
-  support_.SubmitCompositorFrame(local_surface_id, std::move(frame));
-}
-
-void OffscreenCanvasCompositorFrameSink::BeginFrameDidNotSwap(
-    const cc::BeginFrameAck& begin_frame_ack) {
-  support_.BeginFrameDidNotSwap(begin_frame_ack);
-}
-
-void OffscreenCanvasCompositorFrameSink::EvictFrame() {
-  support_.EvictFrame();
-}
-
-void OffscreenCanvasCompositorFrameSink::DidReceiveCompositorFrameAck() {
-  if (client_)
-    client_->DidReceiveCompositorFrameAck();
-}
-
-void OffscreenCanvasCompositorFrameSink::OnBeginFrame(
-    const cc::BeginFrameArgs& args) {
-  if (client_)
-    client_->OnBeginFrame(args);
-}
-
-void OffscreenCanvasCompositorFrameSink::ReclaimResources(
-    const cc::ReturnedResourceArray& resources) {
-  if (client_)
-    client_->ReclaimResources(resources);
-}
-
-void OffscreenCanvasCompositorFrameSink::WillDrawSurface(
-    const cc::LocalSurfaceId& local_surface_id,
-    const gfx::Rect& damage_rect) {}
-
-void OffscreenCanvasCompositorFrameSink::OnClientConnectionLost() {
-  provider_->OnCompositorFrameSinkClientConnectionLost(
-      support_.frame_sink_id());
-}
-
-}  // namespace content