Implement aura::WindowPortMus::CreateCompositorFrameSink()

components/viz/client/client_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 "components/viz/client/client_compositor_frame_sink.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 11 matching lines @@
     cc::mojom::MojoCompositorFrameSinkClientRequest client_request,
     bool enable_surface_synchronization)
     : cc::CompositorFrameSink(std::move(context_provider),
                               std::move(worker_context_provider),
                               gpu_memory_buffer_manager,
                               shared_bitmap_manager),
       synthetic_begin_frame_source_(std::move(synthetic_begin_frame_source)),
       compositor_frame_sink_info_(std::move(compositor_frame_sink_info)),
       client_request_(std::move(client_request)),
       client_binding_(this),
-      enable_surface_synchronization_(enable_surface_synchronization) {
+      enable_surface_synchronization_(enable_surface_synchronization),
+      weak_factory_(this) {
   DETACH_FROM_THREAD(thread_checker_);
 }
 
 ClientCompositorFrameSink::ClientCompositorFrameSink(
     scoped_refptr<cc::VulkanContextProvider> vulkan_context_provider,
     std::unique_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source,
     cc::mojom::MojoCompositorFrameSinkPtrInfo compositor_frame_sink_info,
     cc::mojom::MojoCompositorFrameSinkClientRequest client_request,
     bool enable_surface_synchronization)
     : cc::CompositorFrameSink(std::move(vulkan_context_provider)),
       synthetic_begin_frame_source_(std::move(synthetic_begin_frame_source)),
       compositor_frame_sink_info_(std::move(compositor_frame_sink_info)),
       client_request_(std::move(client_request)),
       client_binding_(this),
-      enable_surface_synchronization_(enable_surface_synchronization) {
+      enable_surface_synchronization_(enable_surface_synchronization),
+      weak_factory_(this) {
   DETACH_FROM_THREAD(thread_checker_);
 }
 
 ClientCompositorFrameSink::~ClientCompositorFrameSink() {}
 
+base::WeakPtr<ClientCompositorFrameSink>
+ClientCompositorFrameSink::GetWeakPtr() {
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
+  return weak_factory_.GetWeakPtr();
+}
+
 bool ClientCompositorFrameSink::BindToClient(
     cc::CompositorFrameSinkClient* client) {
   DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
 
   if (!cc::CompositorFrameSink::BindToClient(client))
     return false;
 
   compositor_frame_sink_.Bind(std::move(compositor_frame_sink_info_));
   client_binding_.Bind(std::move(client_request_));
 
@@ skipping 12 matching lines @@
   client_->SetBeginFrameSource(nullptr);
   begin_frame_source_.reset();
   synthetic_begin_frame_source_.reset();
   client_binding_.Close();
   compositor_frame_sink_.reset();
   cc::CompositorFrameSink::DetachFromClient();
 }
 
 void ClientCompositorFrameSink::SetLocalSurfaceId(
     const cc::LocalSurfaceId& local_surface_id) {
+  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   DCHECK(local_surface_id.is_valid());
   DCHECK(enable_surface_synchronization_);
   local_surface_id_ = local_surface_id;
 }
 
 void ClientCompositorFrameSink::SubmitCompositorFrame(
     cc::CompositorFrame frame) {
   DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
   DCHECK(frame.metadata.begin_frame_ack.has_damage);
   DCHECK_LE(cc::BeginFrameArgs::kStartingFrameNumber,
@@ skipping 41 matching lines @@
   gfx::Size frame_size = frame.render_pass_list.back()->output_rect.size();
   return frame_size != surface_size_ ||
          device_scale_factor_ != frame.metadata.device_scale_factor;
 }
 
 void ClientCompositorFrameSink::OnNeedsBeginFrames(bool needs_begin_frames) {
   compositor_frame_sink_->SetNeedsBeginFrame(needs_begin_frames);
 }
 
 }  // namespace viz